US Pat. No. 9,498,743

FILTER ELEMENT WITH FEATURES TO IMPROVE PRE-CLEANING PERFORMANCE, SEALING, AND STRUCTURAL SUPPORT

CUMMINS FILTRATION IP INC...

8. An air filter assembly comprising:
an air filter element comprising filter media having a first end and a second end, the air filter element further comprising
a first end seal cap located at the first end of the filter media and a second end seal cap located at the second end of the
filter media, the first end seal cap comprising a first co-acting keyed component;

a housing chamber comprising a first end cap located at a first end of the housing chamber and a second end cap located at
a second end of the housing chamber, the first end cap comprising a second co-acting keyed component, the air filter element
mounted in the housing chamber, the first end seal cap of the filter element contacting and sealing against the first end
cap of the housing chamber, the second end seal cap of the filter element contacting and sealing against the second end cap
of the housing chamber, wherein the first and second co-acting keyed components mating with each other to at least one of:
a) orient and permit mounting of the filter element in the housing; and b) permit mounting of only an authorized filter element
in the housing, namely a filter element comprising the second co-acting keyed component to mate with the first co-acting keyed
component of the housing chamber, wherein the first co-acting component is an internal chord having an inner radial seal surface,
wherein the inner radial seal surface seals against a mating seal surface of the first end cap.

US Pat. No. 9,061,224

SYSTEM FOR MONITORING AND INDICATING FILTER LIFE

CUMMINS FILTRATION IP INC...

1. A method for determining and indicating remaining useful life of a filter for filtering fluid in a given machine application,
comprising:
utilizing, by an electronic control module (“ECM”), an algorithm for calculating remaining useful filter life of the filter,
providing, at the ECM, initial constants for the algorithm based on at least one of laboratory performance and historical
performance,

adjusting, by the ECM, the constants during filter usage based on at least one of actual performance of the filter and behavior
of the machine, and

providing, by the ECM via a user indicator, an indication alert to a user that the filter is approaching an end-of-useful-life
condition based at least in part on a total volume of fluid filtered by the filter.

US Pat. No. 9,387,424

V-SHAPED FILTER AND FIXTURE

Cummins Filtration IP Inc...

1. A V-shaped filter for filtering fluid, comprising a pair of filter media panel elements having respective facing root ends
and diverging therefrom to distal ends in a V-shape, and a single unitarily molded fixture securing said pair of filter media
panel elements in said V-shape,
wherein said fixture lies in a coordinate system having X, Y and Z axes orthogonal to each other, said fixture has a base
portion at said distal ends of said filter media panel elements, said base portion having a central opening passing fluid
therethrough, said fixture has a pair of endwall portions spaced from each other along the Y-direction, each said endwall
portion extending in the Z-direction from said base portion, each said endwall portion lying in an X-Z plane, a first of said
filter media panel elements lying in a first oblique plane oblique to each of an X-Y plane and a Y-Z plane, a second of said
filter media panel elements lying in a second oblique plane oblique to each of the X-Y and Y-Z planes, said first and second
oblique planes intersecting at an intersection line extending in the Y-direction, said fixture has a first lattice-work portion
through which fluid flows, said first lattice-work portion lying in said first oblique plane and extending from said base
portion towards said intersection line, said fixture has a second lattice-work portion through which fluid flows, said second
lattice-work portion lying in said second oblique plane and extending from said base portion towards said intersection line.

US Pat. No. 9,555,346

FILTER WITH TRI-FLOW PATH COMBINATIONS

CUMMINS FILTRATION IP INC...

7. A method for filtering fluid including passing the fluid through a filter in a housing extending axially along an axial
direction, the method comprising:
directing fluid along an axial flow path from upstream to downstream,
providing a plurality of annular filter elements for positioning in said housing, the axis of the annulus of each annular
filter element extending axially along the axial direction, arranging said annular filter elements in axially staggered relation
in said housing, the plurality of annular filter elements including a first annular filter element a second annular filter
element axially downstream of said first annular filter element,

providing an outer filter element surrounding the plurality of annular filter elements,
providing a plurality of flow path segments including a first flow path segment flowing axially through said first annular
filter element and filtered thereby, a second flow path segment flowing axially along a path laterally adjacent said first
annular filter element and unfiltered thereby, said second flow path segment being laterally adjacent said first flow path
segment, a third flow path segment flowing axially through said second annular filter element and filtered thereby, and a
fourth flow path segment flowing axially along a path laterally adjacent said second annular filter element and unfiltered
thereby, said fourth flow path segment being laterally adjacent said third flow path segment, providing said third and fourth
flow path segments axially downstream of said first and second flow path segments,

flowing said first flow path segment serially into said fourth flow path segment,
flowing said second flow path segment serially into said third flow path segment,
arranging said flow path segments to satisfy at least one of the following conditions:
a) concentrically surrounding said second flow path segment with said first flow path segment; and
b) concentrically surrounding said third flow path segment with said fourth flow path segment.

US Pat. No. 9,211,688

NON-WOVEN FIBERS-IN-FIBERS FROM MELT-BLOWN POLYMER BLENDS

CUMMINS FILTRATION IP, IN...

1. A method comprising melt-blowing a blend of a first polymer and an immiscible second polymer to form a composite polymeric
fiber having an island-in-sea morphology, wherein the first polymer forms a matrix that surrounds the second polymer and the
second polymer forms nanofibers within the matrix, the nanofibers having an average diameter of less than about 500 nm, and
wherein the second polymer comprises poly(ethylene-co-chlorotrifluoroethylene (PECTFE).

US Pat. No. 9,453,754

MULTI-CONDUCTOR WATER IN FUEL SENSOR FOR FILL RATE DETECTION

CUMMINS FILTRATION IP, IN...

1. A filtration system for a fuel filtration apparatus comprising:
a fuel filter;
an electronic control unit; and
a water-in-fuel sensor comprising:
a main body having a first end and a second end,
at least one electrical contact disposed proximate the first end, the at least one electrical contact is operatively connectable
to the electronic control unit, and

multiple sensor contacts disposed proximate the second end, each of the sensor contacts configured to contact water at different
water levels and provide an output that depends on whether water is detected at the sensor contact, wherein a resistance across
the multiple sensor contacts is dependent on the water level,

the at least one electrical contact is configured to send the output from each of the sensor contacts to the electronic control
unit, wherein each of the multiple sensor contacts are resistance sensors,

the water-in-fuel sensor positioned within a collection compartment, the collection compartment configured to collect water
filtered from fuel in the filtration system,

wherein the electronic control unit is configured to (1) detect a rate of change of water accumulation by measuring the resistance
across the multiple sensor contacts during at least two time points and obtaining a time interval between the two time points
and (2) determine whether the fuel has a high water content by comparing the time interval to a pre-defined time interval.

US Pat. No. 9,925,481

FILTER CARTRIDGE ENDPLATE WITH INTEGRATED FLOW STRUCTURE

Cummins Filtration IP Inc...

5. A filter cartridge comprising a filter media with an endplate disposed on each end thereof, one of the endplates comprising:a plate with a major surface;
a separator that protrudes axially away from the major surface, the separator including a first flow portion and a second flow portion, the first flow portion disposed radially inward relative to the second flow portion, the first and second flow portions concentrically arranged relative to the plate, the first and second flow portions disposed toward a center of the major surface,
wherein the first flow portion includes a first channel, the second flow portion includes a second channel, the first and second channels are configured to allow axial fluid flow relative to the plate, the fluid flow passing in and out of the filter cartridge by passing through the first and second channels, wherein the first and second channels are configured to allow fluid flow that is localized toward the center of the plate, and wherein the second channel is formed by the plate and the second flow portion.

US Pat. No. 9,403,110

FILTERS, FILTER ASSEMBLIES, FILTER SYSTEMS AND METHODS FOR IDENTIFYING INSTALLATION OF QUALIFIED FILTER ELEMENTS

CUMMINS FILTRATION IP, IN...

1. A filter assembly comprising:
a filter housing;
a qualified filter element;
a plurality of magnetic elements disposed on at least one of the filter housing and the qualified filter element, the plurality
of magnetic elements each having a magnetic field;

a plurality of wires disposed on at least the other of the filter housing and the qualified filter element; and
a control circuit that is electrically coupled to the plurality of wires and that detects an electrical current in the plurality
of wires;

wherein when the qualified filter element is installed in the filter housing, the plurality of wires cuts the magnetic field
of at least one of the plurality of magnetic elements and thereby changes the electrical current in the plurality of wires;

wherein the control circuit determines that the qualified filter element is installed in the filter housing based on a change
in the electrical current in the plurality of wires.

US Pat. No. 9,885,265

CRANKCASE VENTILATION INSIDE-OUT FLOW ROTATING COALESCER

Cummins Filtration IP Inc...

1. An internal combustion engine crankcase ventilation rotating coalescer separating air from oil in blowby gas from an engine
crankcase, comprising:
a coalescing filter assembly including a first annular rotating coalescing filter element having an inner periphery defining
a hollow interior and an outer periphery defining an exterior, an inlet port supplying said blowby gas from said crankcase
to said hollow interior, an outlet port delivering cleaned separated air from said exterior, and an axial endcap coupled to
the first annular rotating coalescing filter element and substantially sealed to the inlet port;

wherein the direction of blowby gas flow is inside-out, radially outwardly from said hollow interior to said exterior, and
wherein a flow path through said coalescing filter assembly is from upstream to downstream, from said inlet port to said outlet
port.

US Pat. No. 9,199,185

SURFACE COALESCERS

Cummins Filtration IP, In...

1. A coalescer comprising:
coalescing media for coalescing a mixture of two phases, namely a continuous phase comprising hydrocarbon liquid and a dispersed
phase comprising water, the mixture flowing through the media from upstream to downstream, the media comprising a layer of
media material for filtering the mixture, the media material having a mean pore size, M, wherein the dispersed phase comprises
water droplets having an average particle size that is greater than the mean pore size, the media material being relatively
non-wettable with respect to the dispersed phase, wherein 0.2 ?m?M?12.0 ?m and the media material has a maximum pore size
MM and 1?MM/M?3; and

an additional layer of media material adjacent to the upstream face of the media material, the adjacent layers extending in
series from upstream to downstream, namely an upstream first layer of media material and a downstream second layer of media
material, the first layer of media material being relatively wettable by the dispersed phase in the continuous phase, and
the first layer and the second layer having mean pore sizes M1 and M2, respectively, and M1>M2,

wherein the coalescer is configured to filter the mixture as it flows from upstream to downstream in the coalescer.

US Pat. No. 9,283,500

SPIN-ON FILTER WITHOUT A NUT PLATE

Cummins Filtration IP, In...

1. A spin-on filter comprising:
a shell having an end wall defining a closed end of the shell, and a side wall extending from the end wall, the side wall
having an end opposite the end wall that defines an open end of the shell, the end wall and the sidewall defining an interior
space of the shell between the closed end and the open end, the end of the side wall includes threads adjacent the open end
configured to connect the shell to a mounting head;

a filter cartridge disposed in the interior space of the shell, the filter cartridge including:
filter media suitable for filtering a fluid, the filter media defining an inner space;
a center tube in the inner space and supporting an interior surface of the filter media;
a first, closed end plate attached to a first end of the filter media, the closed end plate is adjacent to the closed end
of the shell;

a second end plate attached to a second end of the filter media, the second end plate is positioned adjacent to and closes
the open end of the shell;

the second end plate includes a perimeter edge attached to the end of the side wall of the shell, a central fluid passageway
in fluid communication with the inner space, and a plurality of fluid passageways positioned between the perimeter edge and
the central fluid passageway in fluid communication with the interior space; and

the second end plate includes first and second seals integrally formed therewith, the first seal is located adjacent to and
is circumferentially continuous around the central fluid passageway to enable sealing with the mounting head to seal dirty
fluid entering the filter from filtered fluid exiting the filter; the second seal is located adjacent to the perimeter edge
and is circumferentially continuous on the second end plate to enable sealing with the mounting head to prevent fluid leakage
between the filter and the mounting head,

wherein the first seal surrounds and is in intimate engagement with an end of the center tube, and the first seal includes
an angled surface radially outward of the end of the center tube that in use seals with an angled surface on the mounting
head so that the first seal is compressed between the end of the center tube and the angled surface on the mounting head.

US Pat. No. 9,409,107

FILTER CARTRIDGE END PLATE FOR USE IN REMOVING A FILTER CARTRIDGE FROM A SHELL

Cummins Filtration IP, In...

1. A filter assembly, comprising:
a filter shell; and
a filter cartridge sized for insertion within the filter shell, the filter cartridge comprising:
a filter media having a first end and a second end;
a first endplate coupled to the first end of the filter media; and
a second endplate coupled to the second end of the filter media, the second endplate including at least one tab formed therein
along an outer peripheral surface of the second endplate, the at least one tab including at least one tab rib extending therefrom,
the at least one tab rib positioned for selective engagement with the filter shell, each of the at least one tab defining
a pocket exposed to and graspable by a user when the filter cartridge is installed within the filter shell,

wherein the filter shell includes at least one recess formed along an edge thereof, the at least one recess positioned such
that at least a portion of each of the at least one tab is positioned within a respective recess when the filter cartridge
is properly installed within the filter shell.

US Pat. No. 9,279,780

FILTERS, FILTER ASSEMBLIES, FILTER SYSTEMS AND METHODS FOR IDENTIFYING INSTALLATION OF QUALIFIED FILTER ELEMENTS

Cummins Filtration IP, In...

1. A filter assembly, comprising:
a qualified filter element that filters fuel, the qualified filter element including an endcap;
a filter housing for the qualified filter element; and
a water-in-fuel sensor that senses presence of water in the filter housing, the water-in-fuel sensor comprising an electrical
circuit having a first portion located with the housing and a second portion located with the qualified filter element, the
first portion of the electrical circuit comprising first and second electrical contacts, the second portion of the electrical
circuit comprising a conductive material arranged as conductive rings that are circumferentially disposed on the end cap and
that electrically connect the first and second electrical contacts when the qualified filter element is installed in the filter
housing, wherein installing the qualified filter element in the filter housing electrically connects the second and first
portions of the electrical circuit such that an electrical resistance of the water-in-fuel sensor changes based upon whether
the qualified filter element is installed in the housing.

US Pat. No. 9,308,475

FILTER APPARATUS WITH TORQUE LIMITING MECHANISM

Cummins Filtration IP, In...

1. A filter apparatus comprising:
a filter head, the filter head includes a connective portion engageable with a fluid filter; and
a torque limiting device disposed on the filter head, the torque limiting device includes a clutch mechanism that limits tightening
of a fluid filter to the connective portion of the filter head, the clutch mechanism configured to provide one-way ratcheting
that allows slippage in a tightening direction to limit the tightening of the fluid filter to the filter head.

US Pat. No. 9,901,851

NO FILTER NO RUN FLUID FILTRATION SYSTEM

Cummins Filtration IP, In...

1. A filter system comprising:
a designated filter cartridge including a geometric projection therein;
a filter cartridge housing;
a filter cartridge housing cover; and
a valve that controls fluid flow out of the filter system,
wherein the valve comprises:
a valve body;
a valve support; and
a valve ball;
wherein the valve body includes projections configured to attach the valve body to the valve support by a snap fit connection,
the valve support includes projections configured to attach the valve support to the filter housing cover, and the valve ball
is disposed between the valve body and the valve support, and wherein the valve comprises an opening keyed to the geometric
projection such that the geometric projection engages the opening and actuates the valve, and wherein the valve is configured
to attach to the filter cartridge housing cover by a snap fit connection.

US Pat. No. 9,415,333

FILTRATION SEALING SYSTEM

Cummins Filtration IP, In...

1. A filtration sealing system for sealing a filter element in a housing at a mating interface therebetween, said sealing
system comprising a keyed said interface, wherein:
said filter element and said housing have borders mating with each other at a gasket therebetween and providing said mating
interface;

said gasket and at least one of said housing and said filter element engage each other in detent relation providing said keyed
interface;

said gasket extends along an extension direction along a perimeter;
said gasket has one or more humped arches spaced along said perimeter and extending transversely of said extension direction;
said one of said housing and said filter element has one or more concave recessed slits spaced along said border along said
perimeter and extending transversely of said extension direction and complementally receiving respective said humped arches
therein;

said perimeter defines a perimeteral plane;
fluid to be filtered flows through said filter element in an axial direction normal to said perimeteral plane;
said one or more humped arches are humped in said axial direction;
said one or more concave recessed slits are recessed in said axial direction;
said gasket is sealed along the entire said extension direction along said perimeter, including being sealed at all of said
humped arches and all of said concave recessed slits, and blocks fluid flow laterally across said gasket transversely of said
extension direction, including blocking lateral flow across said humped arches and blocking lateral flow across said concave
recessed slits.

US Pat. No. 9,303,545

APPARATUS, SYSTEM, AND METHOD FOR CATALYST PRESENCE DETECTION

CUMMINS FILTRATION IP, IN...

1. An apparatus to detect the presence of a catalyst in a catalyst housing, the apparatus comprising:
a temperature module configured to detect a temperature of exhaust gas at an inlet of the catalyst housing and a temperature
of exhaust gas at an outlet of the catalyst housing;

an expected time delay module configured to determine an expected time delay between the detected temperature of exhaust gas
at the inlet of the catalyst housing and the detected temperature of exhaust gas at the outlet of the catalyst housing corresponding
with the presence of a catalyst; and

a similarity module configured to determine a temperature similarity value based on separate and discrete input values for
the detected temperature of exhaust gas at the inlet of the catalyst housing, the detected temperature of exhaust gas at the
outlet of the catalyst housing, and an estimated temperature of exhaust gas at the outlet of the catalyst housing equal to
an estimated temperature of exhaust gas at the inlet of the catalyst housing delayed by the estimated expected time delay;

wherein a catalyst is present if the determined temperature similarity value is above a first threshold and a catalyst is
not present if the determined temperature similarity value is below a second threshold;

wherein the similarity module determines the temperature similarity value by comparing the detected temperature of exhaust
gas at the outlet of the catalyst housing to: (1) the detected temperature of exhaust gas at the inlet of the catalyst housing;
and (2) the estimated temperature of exhaust gas at the outlet of the catalyst housing.

US Pat. No. 10,113,459

INERTIAL GAS-LIQUID IMPACTOR SEPARATOR WITH FLOW DIRECTOR

Cummins Filtration IP Inc...

1. An inertial gas-liquid impactor separator for removing liquid particles from a gas-liquid stream comprising a housing having an inlet for receiving a gas-liquid stream and an outlet for discharging a gas stream, at least one nozzle in said housing receiving said gas-liquid stream from said inlet and accelerating said gas-liquid stream through said at least one nozzle, an inertial impactor collector in said housing in the path of said accelerated gas-liquid stream and causing liquid particle separation, and a flow director directing flow through said housing from said inlet to said outlet along a flow path from upstream to downstream, said flow director comprising a resiliently biased plunger having a valve face engageable with a valve seat, at least one of said valve face and said valve seat having a self-seating tolerance-accommodating configuration.

US Pat. No. 9,504,950

FILTER AND FILTER MEDIA HAVING REDUCED RESTRICTION

CUMMINS FILTRATION IP, IN...

23. A filter for filtering fluid, the filter extending in an axial direction, a transverse direction that is perpendicular
to the axial direction, and a lateral direction that is perpendicular to the axial direction and perpendicular to the transverse
direction, the filter comprising:
a housing retaining a pleated filter media;
the pleated filter media comprising a plurality of pleats comprised of pleat segments extending in the axial direction between
first and second axial ends and extending in the transverse direction between first and second sets of pleat tips at least
partially defined by first and second sets of bend lines;

wherein axial flow channels are defined between the pleat segments in the lateral direction and wherein the plurality of pleats
includes a curvilinear portion such that the plurality of pleats has a width in the transverse direction that varies along
the axial direction.

US Pat. No. 9,194,265

ROTATING SEPARATOR WITH HOUSING PREVENTING SEPARATED LIQUID CARRYOVER

Cummins Filtration IP, In...

1. A rotating separator for separating liquid from a fluid mixture, the rotating separator comprising:
a separator assembly comprising a housing and an annular rotating separating filter element rotating about an axis extending
along an axial direction in said housing, said annular rotating separating filter element having an inner periphery defining
a hollow interior, and having an outer periphery, said housing having a sidewall with an inner surface facing said outer periphery
of said annular rotating separating filter element and spaced along a radial direction radially outwardly of said annular
rotating separating filter element by a plenum therebetween, said housing having an inlet for supplying said mixture to said
hollow interior, said housing having an outlet delivering a separated component of said mixture from said plenum, said housing
having a drain delivering separated liquid from said plenum, the direction of flow through said annular rotating separating
filter element being inside-out from said hollow interior through said annular rotating separating filter element to said
plenum, said plenum having one or more flow path separating guides minimizing the flow of separated liquid to said outlet,
said one or more flow path separating guides comprising one or more fins extending into said plenum from said inner surface
of said sidewall of said housing, wherein said fins are tilted into the flow path of liquid extending from said annular rotating
separating filter element such that said one or more fins are pointing in a direction opposite to the direction of rotation
of said annular rotating separating filter element.

US Pat. No. 9,186,602

FILTER ELEMENT WITH AUTOMATIC AIR BLEEDING

Cummins Filtration IP, In...

1. A filter element comprising:
a ring of pleated filtration media having a first end and a second end and circumscribing a central cavity;
a first end cap sealingly attached to the first end of the filtration media, the first end cap including a vent passage and
a media air vent;

a second end cap sealingly attached to the second end of the filtration media, the second end cap including a plurality of
vent openings extending therethrough;

a center tube disposed within the central cavity, the center tube having a first end connected to the first end cap and a
second end connected to the second end cap, the center tube further includes a fluid passageway and an air vent passageway,
the air vent passageway being fluidly separated from the fluid passageway, and the air vent passageway is in fluid communication
with the vent passage in the first end cap and with the vent openings in the second end cap;

a pleat separation element on the center tube adjacent to the first end thereof and adjacent to the media air vent on the
first end cap, the pleat separation element being disposed between two pleats of the ring of pleated filtration media; and

first and second seals, the first seal being located radially inward of the second seal, and the first seal is attached to
the second end cap or to the center tube and is positioned to seal with a standpipe; the second seal is attached to the second
end cap and is positioned to seal with a housing; and the vent openings in the second end cap are between the first seal and
the second seal.

US Pat. No. 10,507,421

FILTER ELEMENT WITH DEPRESSED SIDE PORTION

Cummins Filtration IP, In...

1. A filter element, comprising:a filter media formed in a closed loop, the closed loop defining a hollow interior extending along a longitudinal axis between a first end of the filter media and a second end of the filter media; and
an outer surface surrounding a perimeter of the filter element, the outer surface defined by a substantially circular first portion and at least one second portion, the first portion being substantially circular at a selected height of the filter media, the at least one second portion being depressed relative to a circle defined by the substantially circular first portion at the selected height, the at least one second portion being substantially flat and extending between circumferential ends of the first portion.

US Pat. No. 9,314,711

FUEL FILTER FOR THE REMOVAL OF A SOAP CONTAMINANT FROM DIESEL FUEL

Cummins Filtration IP, In...

1. A filter element, comprising
a filtration media configured to remove at least one metal carboxylate soap that is present in a fluid, wherein the filter
media has a mean flow pore size of less than 5 microns; and

an ion exchange media configured to remove a metal ion from the fluid.

US Pat. No. 9,822,741

AIR INDUCTION SYSTEMS FOR INTERNAL COMBUSTION ENGINES

Cummins Filtration IP, In...

1. An air induction system for an internal combustion engine, the air induction system comprising:
an air intake plenum that conducts intake airflow to an air cleaner for cleaning prior to combustion in the internal combustion
engine, wherein the air intake plenum is movable with respect to the air cleaner between an open position separated from the
air cleaner and a closed position connected to the air cleaner;

a bellows that connects the air intake plenum to the air cleaner when the air intake plenum is in the closed position, the
bellows having an upstream first end that seals with the air intake plenum and a downstream second end that seals with the
air cleaner; and

a spring disposed in the bellows, wherein the spring applies a biasing pressure on the bellows that encourages sealing between
the bellows and at least one of the air intake plenum and the air cleaner when the air intake plenum is in the closed position;

wherein when the air intake plenum is in the closed position, the bellows is compressed into a compressed state and when the
air intake plenum is in the open position, the bellows is biased by the spring into an extended state; and

wherein in a first cross sectional area for intake airflow through the bellows is defined in the compressed state, and a smaller,
second cross sectional area for intake airflow through the bellows is defined in the extended state.

US Pat. No. 10,029,197

DRIPLESS FILTER ASSEMBLY AND METHOD FOR SERVICING A FILTRATION APPARATUS WITH THE SAME

CUMMINS FILTRATION IP, IN...

1. A method of servicing a used filter of a filtration system comprisingproviding a filter assembly of the filtration system comprising:
a filter cartridge, the filter cartridge including:
at least one filter element configured to filter fluid therethrough and including a filter media surrounding an inner space of the at least one filter element with two open ends, the at least one filter element also includes an end plate that seals one of the two open ends of the at least one filter element so as to direct flow from the inner space, through the filter media, to outside the at least one filter element; and
a plate member connected to the at least one filter element; and
a cover member, the cover member configured to cover the at least one filter element and the plate member when the cover member is engaged with the filter cartridge;
wherein the at least one filter element is disposed entirely on a first side of the plate member that faces the cover member when the filter cartridge is engaged with the cover member, the at least one filter element is further disposed between the plate member and the cover member, the plate member includes a first seal surface disposed on the first side of the plate member, and a second seal surface disposed on a second side of the plate member that faces away from the cover member when the filter cartridge is engaged with the cover member, the first seal surface is configured to seal with a seal surface of the cover member, and the second seal surface is configured to seal with another component of a filtration system, so as to at least minimize fluid leakage and dripping through the sealing surfaces during a servicing operation; and wherein the filter cartridge is removable with the cover member during a service operation,
removing the filter assembly having the cover and having said used filter in a filter cartridge in said filtration system, the used filter including a used filter element in said filter cartridge;
disconnecting the cover from the filter cartridge;
replacing the used filter cartridge with a new filter cartridge having a new filter which comprises a new filter element; and
connecting the cover to the new filter cartridge having the new filter and new filter element; and
replacing the filter assembly with the new filter cartridge comprising said new filter and new filter element in connection with the filtration system,
the step of removing the filter assembly further comprising retaining a seal between a sealing surface of the cover and a sealing surface of the filter cartridge, at least while the filter assembly is being removed, so as to at least minimize fluid leakage and dripping through the sealing surfaces.

US Pat. No. 9,504,947

AIR FILTER ASSEMBLIES AND CARRIER FRAMES HAVING VORTEX-GENERATING FLOW GUIDE

CUMMINS FILTRATION IP, IN...

1. A carrier frame supporting an air filter element having a dirty air inlet and a clean air outlet, the air filter element
filtering air flowing therethrough from upstream to downstream, the carrier frame comprising:
an exit side positioned downstream and adjacent the clean air outlet; and
a vortex-generating flow guide mounted on the exit side, the vortex-generating flow guide comprising:
a plurality of spaced-apart cross-ribs; and
a radially staggered array of pairs of tilted trapezoidal tabs mounted on the plurality of spaced-apart cross-ribs, each of
the pairs of tilted trapezoidal tabs comprising:

a first upstream edge having a first end and a second end and a second upstream edge having a third end and a fourth end mounted
on a cross-rib, the first upstream edge extending along a first length of the cross-rib and the second upstream edge extending
along the first length of the cross-rib such that the first end of the first upstream edge is aligned with the third end of
the second upstream edge and the second end of the first upstream edge is aligned with the fourth end of the second upstream
edge, and

a first downstream edge and a second downstream edge positioned downstream from the cross-rib, the first downstream edge spaced
apart from the second downstream edge,

wherein the vortex-generating flow guide promotes rapid mixing of clean air downstream of the air filter element and normalizes
a uniform velocity profile downstream thereof such that mass airflow variation is minimized for flow to a mass airflow sensor
positioned downstream of the vortex-generating flow guide.

US Pat. No. 9,597,620

APPARATUS, SYSTEM AND METHOD FOR DETECTING THE PRESENCE OF GENUINE SERVICEABLE PRODUCT COMPONENTS

CUMMINS FILTRATION IP, IN...

1. A method of detecting a use status of a serviceable product component of an engine comprising:
detecting, by a sensor of the engine, information from the serviceable product component installed in an engine, the information
including an in-use status flag, wherein the in-use flag indicates whether the serviceable product component has been used;

receiving, at an electronic control module of the engine, the information detected from the serviceable product component
at an initial system activation;

determining, by the electronic control module, that the serviceable product component has been newly installed based on the
information detected from the serviceable product component at the initial system activation, wherein the initial system activation
comprises an engine start-up; and

in response to determining that the serviceable product component has been newly installed, indicating, by the electronic
control module and through the in-use flag, that the serviceable product component has now been used by permanently changing
the in-use flag on the serviceable product component from indicating the serviceable product component has never been used
to indicating that the serviceable product component has been used.

US Pat. No. 9,138,671

INERTIAL GAS-LIQUID SEPARATOR AND POROUS COLLECTION SUBSTRATE FOR USE IN INERTIAL GAS-LIQUID SEPARATOR

CUMMINS FILTRATION IP, IN...

1. An inertial gas-liquid separator, the gas-liquid separator comprising:
a housing having an inlet for receiving a gas-liquid stream and an outlet for discharging a gas stream;
a nozzle structure in the housing downstream of the inlet, the nozzle structure including a cylindrical portion and a conical
portion, the nozzle structure having a plurality of nozzles that receive the gas-liquid stream and accelerate the gas-liquid
stream therethrough so as to create a plurality of gas-liquid jets, a first portion of the plurality of nozzles being positioned
on the conical portion and a second portion of the plurality of nozzles being positioned on the cylindrical portion; and

an inertial collector in the housing downstream of the plurality of nozzles, the inertial collector causing a sharp directional
change of the gas-liquid jets, thereby causing separation of liquid particles from the gas-liquid stream so as to produce
the gas stream;

wherein the inertial collector comprises a porous collection substrate; and
wherein the nozzle structure and the inertial collector are configured to allow for full expansion of the plurality of gas-liquid
jets.

US Pat. No. 9,500,167

FILTER ELEMENT WITH A COMBINED ENDPLATE/LID WITH A CENTRAL HOLE

CUMMINS FILTRATION IP, IN...

1. A filter element, comprising:
filtration media arranged into a ring having a first end and a second end and circumscribing a central cavity having a longitudinal
axis;

a first endplate sealingly attached to the first end of the filtration media;
a housing lid sealingly attached to the second end of the filtration media so as to form a second endplate, the housing lid
includes:

a hole extending through the housing lid, the hole opens into and is in fluid communication with the central cavity, and the
hole is in fluid communication with an exterior of the filtration media;

a protrusion that projects above a top surface of the housing lid in a direction away from the central cavity and away from
the first endplate;

a detachable connection mechanism that detachably attaches the housing lid to a housing that is configured to receive the
filter element, and

a float installed in the hole that is movable within the hole in a direction that is substantially parallel to the longitudinal
axis.

US Pat. No. 9,447,759

FILTER ELEMENT ENDPLATE DEFINING INFLOW AND OUTFLOW FLOW PATHS

Cummins Filtration IP, In...

1. A filter element, comprising:
a ring of filtration media having a first end and a second end and circumscribing a central cavity;
a first endplate sealingly attached to the first end of the filtration media;
a second endplate sealingly attached to the second end of the filtration media, the second endplate including a sleeve extending
upwardly therefrom in a direction away from the first endplate, the sleeve defining a fluid flow passageway through the second
endplate that is in fluid communication with the central cavity;

a radial outward facing groove formed in the sleeve that receives a seal therein;
a plurality of ribs formed on the second endplate and extending upwardly therefrom in the same direction as the sleeve, each
rib extending from a first end on an outside surface of the sleeve to a second end adjacent an outer perimeter edge of the
second endplate; and

a pre-fill cap integrally formed with and closing an end of the sleeve, the pre-fill cap including an outer perimeter edge
that overhangs a portion of the sleeve; and at least one hole formed in the sleeve between the pre-fill cap and the radial
outward facing groove that places the fluid flow passageway in communication with an exterior of the sleeve.

US Pat. No. 9,308,476

FILTER WITH LOCALIZED FLOW ATTACHMENT AND FILTER HEAD

CUMMINS FILTRATION IP, IN...

18. A filter assembly comprising:
1) a fluid filter that includes:
a housing having a filter cartridge disposed therein, the filter cartridge containing a filter media; and
a cap configured to communicate fluid to be filtered to the filter media, and configured to communicate fluid filtered by
the filter media out of the fluid filter, the cap comprises a stem and a flow separating structure configured to localize
fluid flow both into and out of the fluid filter, the stem and the flow separating structure being molded as a single component,
and a seal structure disposed about an outer surface of the stem, the seal structure configured to substantially prevent or
confine leakage from the cap; and

2) a filter head that includes:
a shell connectable to the fluid filter, the shell is configured to cover and seal with an area of fluid flow of the fluid
filter;

an inlet configured to allow entry of fluid into the shell;
an outlet configured to allow exit of fluid from the shell; and
a mount connected to the shell, the mount includes a sidewall and ribs, the mount defining a plurality of openings,
the plurality of openings are configured to allow the filter head to mount onto another piece of equipment, the sidewall extend
from an outer wall structure of the shell,

the ribs including upper ribs and lower ribs,
the upper ribs directly connect to and extend between the plurality of openings,
the plurality of openings and the ribs define an interior hollow region of the mount, wherein the plurality of openings and
the upper ribs extend from a first end of the hollow region to a second end of the hollow region, the first end of the hollow
region being enclosed by at least one of the sidewall of the mount and/or a portion of the outer wall structure of the shell,

the inlet and the outlet extend away from the fluid filter in an opposite direction with respect to the ribs,
wherein the ribs extend relative to the sidewall the sidewall of the mount and are configured to provide structural support,
and

wherein the shell, the mount, the inlet and the outlet are integrally molded from a composite material as a one-piece component.

US Pat. No. 9,163,596

THERMAL RECIRCULATION VALVE FOR FUEL FILTRATION MODULE

Cummins Filtration IP, In...

1. A thermal recirculation valve that is mountable on a fuel filtration module having a fuel inlet and a fuel outlet, comprising:
a valve housing;
a thermal recirculation valve inlet formed in the valve housing that in use receives heated fuel from an engine;
a thermal recirculation valve outlet formed in the valve housing that is fluidly connected to the thermal recirculation valve
inlet via a first fluid passage and that in use is fluidly connected to a fuel tank;

a fuel return passage formed in the valve housing, the fuel return passage having a fuel return passage inlet and a fuel return
passage outlet, the fuel return passage inlet is fluidly connected to the first fluid passage, the fuel return passage inlet
includes a valve seat, and in use the fuel return passage outlet is fluidly connected to the fuel outlet of the fuel filtration
module;

a flow control valve disposed in the fuel return passage that controls flow of fuel through the fuel return passage, the flow
control valve includes a sealing end; the flow control valve has a first position where the sealing end is engaged with the
valve seat to control the flow of fuel from the first fluid passage into the fuel return passage and a second position where
the sealing end is not engaged with the valve seat to permit unrestricted flow of fuel through the fuel return passage inlet
from the first fluid passage into the fuel return passage and to the fuel return passage outlet; and

a thermal wax element connected to the flow control valve to move the flow control valve between the first position and the
second position, the thermal wax element is positioned so that in use the thermal wax element can be immersed in fuel in the
fuel outlet of the filtration module.

US Pat. No. 9,649,583

FILTERS, FILTER ASSEMBLIES, FILTER SYSTEMS AND METHODS FOR IDENTIFYING INSTALLATION OF QUALIFIED FILTER ELEMENTS

CUMMINS FILTRATION IP, IN...

1. A filter element assembly comprising:
a qualified filter element configured to be installed within a filter housing; and
at least one magnetic element disposed on the qualified filter element, each of the at least one magnetic element having a
magnetic field;

wherein when the qualified filter element is installed in the filter housing, a plurality of wires disposed on the filter
housing cuts a magnetic field of one of the at least one magnetic element, thereby changing an electrical current in the plurality
of wires, and

wherein a control circuit electrically coupled to the plurality of wires determines that the qualified filter element is installed
in the filter housing based on the change in the electrical current in the plurality of wires, the electrical current detected
by the control circuit.

US Pat. No. 9,623,351

FILTRATION SEALING SYSTEM

Cummins Filtration IP, In...

1. A filtration sealing system, the system comprising:
a first housing section having a border therearound;
a second housing section having a border therearound:
a filter element between the first and second housing sections and having a border therearound; and
a gasket extending in an x-y plane and providing a mating interface between the border around the filter element the borders
around the first and second housing sections, a first side of the gasket engaging an entire periphery of the border around
the first housing section and a second, opposite side of the gasket engaging an entire periphery of the border around the
second housing section, at least one of the first side and the second side of the gasket having one or more humped arches
humped in a z-direction that is perpendicular to the x-y plane;

wherein one of the border around the first housing section, the border around the second housing section, and the border around
the filter element has one or more concave recessed slits recessed in the z-direction and complementary receiving the humped
arches therein; and

wherein the gasket is sealed along the entire mating interface, including being sealed at all of the humped arches and all
of the concave recessed slits, and blocks fluid flow across the gasket, including, blocking fluid flow across the humped arches
and blocking fluid flow across the concave recessed slits.

US Pat. No. 9,475,006

SCR CATALYST AMMONIA SURFACE COVERAGE ESTIMATION AND CONTROL

CUMMINS FILTRATION IP, IN...

17. A method comprising:
setting a first ammonia storage surface coverage value to zero responsive to a high temperature event;
determining an operating mode of an SCR system;
calculating a second ammonia storage surface coverage value based, at least in part, on the determined operating mode of the
SCR system;

determining an ammonia compensation value based, at least in part, on the calculated second ammonia storage surface coverage
value;

generating a reductant command based, at least in part, on the determined ammonia compensation value; and
outputting the generated reductant command to a reductant delivery system, the reductant delivery system injecting reductant
into an exhaust gas stream at a rate based on the generated reductant command.

US Pat. No. 9,211,488

FLUID FILTER WITH LOCALIZED FLOW ATTACHMENT

Cummins Filtration IP, In...

1. A fluid filter device comprising:
a housing;
a filter cartridge disposed in the housing, the filter cartridge including a filter media, a first endplate, a second endplate,
and a center tube, wherein a sidewall of the center tube includes a plurality of openings configured to allow fluid filtered
by the filter media to enter the center tube; and

an outer cap attached to the housing and configured to communicate a fluid to be filtered to the filter media, and configured
to communicate the fluid filtered by the filter media out of the fluid filter device, the outer cap comprises

a stem configured to localize fluid flow both into and out of the fluid filter,
a separating structure configured to maintain separate flow channels for the fluid flowing into and out of the outer cap,
such that the stem and separating structure are formed within the outer cap, such that the outer cap is formed as a single
component separate from the filter cartridge, and

a seal structure disposed about an outer surface of the stem, the seal structure configured to substantially prevent or confine
leakage from the stem,

wherein at least a portion of the housing is configured to contact the fluid.

US Pat. No. 9,724,627

FILTER ASSEMBLY INCLUDING A REMOVABLE FILTER CARTRIDGE

Cummins Filtration IP, In...

1. Filter assembly to filter at least one fluid, the filter assembly comprising:
a vessel having an open end,
a cover configured to close the open end of the vessel,
a tube within the vessel, the tube extending along a longitudinal axis X of the vessel,
a removable filter cartridge housed in the vessel and comprising a first flange, a second flange, and a filtering medium extending
between the first and second flanges and having a tubular hollow space to surround the tube, and

a holder holding the first flange on the vessel, the holder configured to prevent the detachment of the first flange from
the vessel and/or configured to enable the filter cartridge to be held fixedly in the vessel,

characterized in that the first flange of the filter cartridge at least partially forms the cover, in that the first flange
of the filter cartridge at least partially forms an external wall of the filter assembly, in that the first flange includes
an aperture, and in that the tube includes an upper extension passing through the aperture of the first flange and cooperating
in a tightly sealed manner with the aperture, said upper extension being configured to abut against an external face of the
first flange opposite the filter media and to form said holder.

US Pat. No. 9,650,927

SYSTEMS AND METHODS FOR CLOSED CRANKCASE VENTILATION AND AIR FILTRATION

CUMMINS FILTRATION IP, IN...

1. A system for providing combustion air to an internal combustion engine, the system comprising:
a crankcase ventilation unit that receives unrefined blowby gas from a crankcase of the internal combustion engine, that separates
oil from the unrefined blowby gas with an air-oil separator, and that discharges refined blowby gas;

an air cleaner housing having a flowpath therethrough from upstream to downstream; and
a conduit that connects the crankcase ventilation unit to the air cleaner housing so as to deliver the refined blowby gas
to the air cleaner housing, thereby forming a closed crankcase ventilation system;

wherein the air cleaner housing comprises:
a first chamber that receives intake air through a first port;
a second chamber downstream of the first chamber that receives intake air from the first chamber and that receives refined
blowby gas from the conduit through a second port;

a third chamber downstream of the second chamber that receives a mixture of intake air and refined blowby as from the second
chamber and that discharges the mixture through a third port;

a primary filter element that filters the intake air as it passes from the first chamber to the second chamber; and
a secondary filter element that filters the mixture as it passes from the second chamber to the third chamber.

US Pat. No. 9,574,470

INERTIAL GAS-LIQUID IMPACTOR SEPARATOR WITH FLOW DIRECTOR

Cummins Filtration IP, In...

1. An inertial gas-liquid impactor separator for removing liquid particles from a gas-liquid stream comprising a housing having
an inlet for receiving a gas-liquid stream and an outlet for discharging a gas stream, at least one nozzle in said housing
receiving said gas-liquid stream from said inlet and accelerating said gas-liquid stream through said nozzle, an inertial
impactor collector in said housing in the path of said accelerated gas-liquid stream and causing liquid particle separation,
and a flow director directing flow through said housing from said inlet to said outlet along a flow path from upstream to
downstream, the flow director comprising a flow controller comprising a hinged plate extending across said nozzle.

US Pat. No. 9,802,146

ROTATING SEPARATOR WITH HOUSING PREVENTING SEPARATED LIQUID CARRYOVER

CUMMINS FILTRATION IP, IN...

1. A rotating separator for separating liquid from a fluid mixture, the rotating separator comprising:
a housing having a sidewall with an inner surface;
a first annular rotating separating filter element positioned within the housing and centered about an axis extending along
an axial direction in the housing, the first annular rotating separating filter element having a first inner periphery defining
a first hollow interior, and having a first outer periphery facing the inner surface of the housing and spaced along a radial
direction radially outwardly from the inner surface thereby defining a first portion of a plenum therebetween;

a second annular rotating separating filter element positioned within the housing and centered about the axis, the second
annular rotating separating filter element having a second inner periphery defining a second hollow interior, and having a
second outer periphery facing the inner surface of the housing and spaced along a radial direction radially outwardly from
the inner surface thereby defining a second portion of the plenum therebetween; and

the housing including an inlet for supplying the mixture to the first hollow interior, an outlet delivering a separated component
of the mixture from second hollow interior, and a drain delivering separated liquid from the plenum.

US Pat. No. 9,573,087

FILTER HAVING A FILTER CARTRIDGE, AND CORRESPONDING FILTER CARTRIDGE

Cummins Filtration IP, In...

1. Filter assembly for filtering at least one fluid comprising:
a filter body,
a tube within the filter body,
a detachable filter cartridge housed in the filter body and comprising:
a first flange and a second flange,
a filtering medium having a tubular cavity to surround the tube and extending between the first and the second flanges, the
first flange comprising a valve seat crossed by at least one orifice communicating with the tubular cavity, and

a valve closure element fixedly joined to the first flange so as to cooperate with the valve seat, the valve closure element
being configured to occupy at least two positions, namely a closing position in which the closure element closes off the valve
seat and at least one opening position in which the valve closure element enables the passage of fluid through the valve seat,

a return member distinct from the detachable filter cartridge, configured to act by biasing the valve closure element into
the closed position,

wherein the valve closure element includes a closing-off surface that contacts the valve seat when the valve closure element
is in the closing position;

wherein an area for fixedly joining the valve closure element to the first flange abuts the closing-off surface,
wherein the tube has an unattached end having an opening at least partially formed by an edge, the edge extending diametrically
towards an interior of the tube so as to retain the return member at a first end abutting the edge, and

wherein the valve closure element includes a contact surface opposite the closing-off surface, the contact surface contacting
the edge of the tube when in the at least one opening position.

US Pat. No. 10,232,301

FILTER AND FILTER MEDIA HAVING REDUCED RESTRICTION

CUMMINS FILTRATION IP INC...

1. A pleated filter media extending in an axial direction, a transverse direction that is perpendicular to the axial direction, and a lateral direction that is perpendicular to the axial direction and perpendicular to the transverse direction, the pleated filter media comprising:a plurality of pleats comprised of pleat segments extending in the axial direction between first and second axial ends and extending in the transverse direction between first and second sets of pleat tips, the plurality of pleats including a curvilinear portion that joins one of the first and second axial ends to one of the first and second sets of pleat tips.

US Pat. No. 10,143,955

CORRUGATED FILTER MEDIA WITH MODULATED CORRUGATIONS

Cummins Filtration IP, In...

1. A filter media comprising:a filter media layer;
a plurality of first corrugations on a first layer of the filter media layer extending in a first direction and having a first amplitude and a first frequency; and
a plurality of second corrugations on the layer of the filter media layer extending in the first direction and having a second amplitude and a second frequency, the second amplitude greater than the first amplitude, and the second frequency is less than the first frequency, the second corrugations are superimposed on the first corrugations on the first layer of the filter media layer.

US Pat. No. 9,782,708

FILTRATION SEALING SYSTEM

Cummins Filtration IP, In...

1. A filtration sealing system, the system comprising:
a first housing section having a first housing section border therearound;
a second housing section having a second housing section border therearound; and
a filter element positioned between the first housing section and the second housing section, the filter element including
filter media and a filter element border extending from the filter media in an x-y plane, the filter element border providing
a mating interface between the filter element and the first and second housing section borders, a first side of the filter
element border engaging the first housing section border and a second, opposite side of the filter element border engaging
the second housing section border,

one of the first side of the filter element border and the second side of the filter element border comprising one or more
axial projections projecting in a z-direction that is perpendicular to the x-y plane,

a circumferential surface of the filter element border comprising a radially extending recess in the x-y plane,
wherein one of the first housing section border and the second housing section border includes one or more axial recesses
recessed in the z-direction and complementally receiving the one or more axial projections therein;

wherein one of the first housing section border and the second housing section border includes an inner housing surface complementary
with the circumferential surface of the filter element border; and

wherein the filter element border is sealed along the mating interface, including being sealed at all of the one or more axial
projections and all of the one or more axial recesses, and blocks fluid flow across the filter element border, including blocking
fluid flow across the one or more axial projections and the one or more axial recesses.

US Pat. No. 9,658,177

APPARATUS, SYSTEM, AND METHOD FOR CATALYST PRESENCE DETECTION

Cummins Filtration IP, In...

1. A method for detecting the presence of a catalyst, the method comprising:
measuring a flow rate of exhaust gas within an exhaust gas tube;
measuring an inlet temperature of the exhaust gas at an inlet of the exhaust gas tube;
calculating an expected temperature time delay as a function of the measured flow rate;
measuring an outlet temperature of the exhaust gas at an outlet of the exhaust gas tube;
calculating a delayed inlet temperature based on the calculated expected temperature time delay and the inlet temperature;
calculating a first difference between the measured outlet temperature and the inlet temperature and a second difference between
the measured outlet temperature and the delayed inlet temperature;

determining a catalyst is not present if the first difference is the same or smaller than the second difference, and a catalyst
is present if the second difference is smaller than the first difference.

US Pat. No. 9,535,050

FLUID QUALITY MONITORING AND FILTRATION SYSTEM

Cummins Filtration IP, In...

1. A fluid filtration system comprising:
a fluid filter assembly that includes a filter element configured to filter a fluid, the filter element comprising a first
endplate, a second endplate, and filter media arranged in a cylindrical shape and positioned between the first endplate and
the second endplate, the filter media defining a hollow interior space; and

a sensor probe incorporated into the fluid filter assembly, the sensor probe comprising a probe portion and an electrical
contact, the sensor probe mounted to the second endplate of the filter element such that the probe portion extends away from
the second endplate and into the hollow interior space, wherein the sensor probe includes a chemically reactive material sensitive
to at least one property of the fluid, wherein at least a portion of the sensor probe is exposed to the fluid.

US Pat. No. 9,776,114

SYSTEM FOR MONITORING AND INDICATING FILTER LIFE

Cummins Filtration IP, In...

1. A system for determining and indicating a remaining useful life of a filter for filtering fluid in a machine having an
internal combustion engine, the system comprising:
the filter;
a user indicator;
a control module configured to:
provide constants for a useful life calculation based on at least one of laboratory performance and historical performance,
the useful life calculation calculating the remaining useful filter life of the filter based at least in part on a total volume
of fluid filtered by the filter,

utilize the useful life calculation for calculating the remaining useful filter life of the filter,
adjust the constants of the useful life calculation during filter usage based on a behavior of the machine, wherein the behavior
of the machine is a duty cycle of the internal combustion engine, and

provide, via the user indicator, an indication alert to a user that the filter is approaching an end-of-useful-life condition
based on the remaining useful filter life.

US Pat. No. 9,574,469

CRANKCASE VENTILATION SELF-CLEANING COALESCER WITH INTERMITTENT ROTATION

CUMMINS FILTRATION IP, IN...

1. A method for regenerating and cleaning an air-oil coalescing filter of a crankcase ventilation system of an internal combustion
engine generating blowby gas in a crankcase, the air-oil coalescing filter comprising coalescing filter media, the air-oil
coalescing filter coalescing oil from the blowby gas, the method comprising regenerating and cleaning the air-oil coalescing
filter by applying centrifugal force thereto by intermittent rotation thereof, the intermittent rotation applied based upon
a given parameter associated with at least one of the air-oil coalescing filter and a turbocharger associated with the internal
combustion engine.

US Pat. No. 10,031,098

MULTI-CONDUCTOR WATER IN FUEL SENSOR FOR FILL RATE DETECTION

CUMMINS FILTRATION IP, IN...

1. A method of determining whether fuel has high water content, comprising:providing a water-in-fuel sensor in a fuel filtration apparatus, the water-in-fuel sensor comprising a main body having a first end and a second end, at least one electrical contact disposed proximate the first end, the at least one electrical contact operatively connectable to an electronic control unit; and multiple sensor contacts disposed proximate the second end, each of the multiple sensor contacts configured to detect water at different water levels and provide an output depending on whether water is detected at each of the respective multiple sensor contacts;
measuring the resistance across the multiple sensor contacts during two time points;
comparing a time interval between the two time points to a pre-defined time interval; and
in response to the time interval being less than the pre-defined time interval, determining that the fuel has high water content.

US Pat. No. 9,890,671

CRANKCASE VENTILATION SYSTEM HAVING AN OIL JET PUMP WITH AN INTEGRATED CHECK VALVE

CUMMINS FILTRATION IP, IN...

1. A crankcase ventilation system comprising:
a crankcase ventilation filter configured to vent blow-by gases from a crankcase;
a crankcase ventilation filter drain coupled to the crankcase ventilation filter, wherein the crankcase ventilation filter
drain is configured to collect oil that enters the crankcase ventilation filter and to return the collected oil to the crankcase;

a pressurized oil supply;
a nozzle coupled to the pressurized oil supply and configured to form an oil jet adjacent to an exit of the crankcase ventilation
filter drain; and

a valve coupled to the crankcase ventilation filter drain, wherein the valve is configured to prevent collected oil from entering
the crankcase ventilation filter through an opening that connects the crankcase ventilation filter drain to the crankcase
ventilation filter;

wherein when a temperature of the pressurized oil is above a threshold temperature, the oil jet draws the collected oil out
of the exit, and wherein when the temperature of the pressurized oil is below the threshold temperature, the oil jet does
not draw the collected oil out of the crankcase ventilation filter drain, and oil from the pressurized oil supply backtracks
into the crankcase ventilation filter drain.

US Pat. No. 9,592,460

FILTER CARTRIDGE END PLATE FOR USE IN REMOVING A FILTER CARTRIDGE FROM A SHELL

Cummins Filtration IP, In...

1. A method of assembling a filter assembly comprising a filter cartridge and a filter shell, the method comprising:
providing the filter cartridge, the filter cartridge comprising:
a filter media having a first end and a second end;
a first endplate coupled to the first end of the filter media; and
a second endplate coupled to the second end of the filter media, the second endplate including at least one tab formed therein
along an outer peripheral surface of the second endplate, the at least one tab including at least one tab rib extending therefrom,
the at least one tab rib positioned for selective engagement with the filter shell, each of the at least one tab defining
a pocket graspable by a user when the filter cartridge is installed within the filter shell;

aligning the filter cartridge with the filter shell in a manner such that each of the at least one tab is aligned with a respective
recess formed along an edge of the filter shell; and

inserting the filter cartridge into the filter shell such that each of the at least one tab is positioned at least partially
within a respective recess, such that a snap fit arrangement is formed between the filter cartridge and the filter shell.

US Pat. No. 9,353,713

FUEL WATER SEPARATOR FILTER WITH WATER DRAIN

CUMMINS FILTRATION IP, IN...

1. A fuel water separator filter, comprising:
a filter housing defining a filter element chamber and a water sump, the filter element chamber is separated from the water
sump by a wall;

a coalescing filter element disposed in the filter element chamber, the coalescing filter element configured to separate water
from fuel; and

at least one passageway in the wall that fluidly connects the filter element chamber and the water sump, the at least one
passageway being the only passages through which fluid can flow into the water sump, other than atmospheric air via a drain
valve,

flow through each of the at least one fluid passageway being controlled by at least one valve, the at least one valve having
a first, open position that permits fluid flow from the filter element chamber into the water sump and a second, closed position
preventing fluid flow between the filter element chamber and the water sump;

the filter housing further includes the drain valve in communication with the water sump to permit draining of water from
the water sump; and

the filter housing further includes an inlet such that all fluid that flows into the inlet flows into the filter element chamber.

US Pat. No. 10,119,886

FILTRATION MONITORING SYSTEMS

CUMMINS FILTRATION IP, IN...

1. An apparatus, comprising:an internal combustion engine having an engine control module structured to control the operation of the internal combustion engine;
an air filtration system having a first filter cartridge;
a fluid filtration system having a second filter cartridge
a first pressure sensor structured to sense a characteristic associated with the air filtration system;
a second pressure sensor structured to sense a characteristic associated with the fluid filtration system;
a filtration monitoring system module including a processing circuit communicatively coupled to the sensor, the processing circuit including a processor and memory, the processing circuit structured to:
receive a feedback signal from each of the first pressure sensor relating to the characteristic associated with the air filtration system and the second pressure sensor related to the characteristic associated with the fluid filtration system,
analyze the feedback signals to determine a status of each of the first filter cartridge and the second filter cartridge,
calculate a percent loading of each of the first filter cartridge and the second filter cartridge, and
transmit each of the percent loading of the filter cartridges to the engine control module; and
wherein the engine control module is structured to transmit, via a telematics system, batch data comprising the status and the percent loading of each of the first filter cartridge and the second filter cartridge.

US Pat. No. 9,976,456

VIRTUAL FILTER CONDITION SENSOR

CUMMINS FILTRATION IP, IN...

1. A system for determining a condition of a filter filtering fuel associated with an engine, the system comprising:at least one sensor from a group comprising a sensor transmitting data to monitor engine run time, a sensor transmitting data to calculate engine torque, and a sensor transmitting data to measure engine speed; and
a control unit configured to determine the condition of the filter based on an algorithm that incorporates a plurality of engine operating conditions including the engine run time, the engine torque, and the engine speed.

US Pat. No. 9,975,071

APPARATUSES, SYSTEMS AND METHODS FOR PROVIDING FILTER RECOGNITION

Cummins Filtration IP, In...

1. A filter recognition apparatus, comprising:a filter element constructed to filter a fluid;
a control circuit; and
a pre-programmed digital microchip coupled to the filter element, the digital microchip including a memory that stores an identifying code that identifies the filter element, the digital microchip comprising a single data line and ground reference to establish electronic communication between the digital microchip and the control circuit,
wherein the filter element is part of a fuel-water separator, the fuel-water separator comprising a water-in-fuel (WIF) sensor, and wherein the digital microchip is embedded in the WIF sensor.

US Pat. No. 9,970,351

HIGH FREQUENCY SILENCER FOR AN AIR INDUCTION SYSTEM

Cummins Filtration IP, In...

13. An air induction system for an internal combustion engine, the system comprising:a filter assembly having a filter media and a sound absorbing foam, the filter media including a clean side and a dirty side substantially opposite the clean side, the dirty side configured to receive unfiltered air and the clean side configured to output filtered air, the sound absorbing foam positioned adjacent one of the clean side of the filter media and the dirty side of the filter media; and
a turbocharger configured to provide filtered air to the internal combustion engine, the turbocharger positioned downstream of the clean side of the filter media;
wherein the sound absorbing foam includes a plurality of perforations therein, the plurality of perforations permitting air to flow through the filter media and the sound absorbing foam.

US Pat. No. 10,138,853

WATER DISCHARGE SYSTEM AND METHOD

Cummins Filtration IP, In...

11. A method of discharging separated water from a fuel filtration system comprising:separating, through a filter media of the fuel filtration system, water from a fuel-water mixture;
draining, through a drain of a fuel filter housing of the fuel filtration system, the separated water to a fuel-water valve;
discharging, through the fuel-water valve and via a conduit connecting the fuel filtration system to an after-treatment device in fluid communication with the fuel filtration system, the separated water to the after-treatment device;
discharging, through the fuel-water valve and via the conduit, fuel to the after-treatment device; and
discharging, through an air valve and via the conduit, air to the after-treatment device.

US Pat. No. 10,094,347

NO FILTER NO RUN FILTER ASSEMBLY WITH AIR VENT

CUMMINS FILTRATION IP, IN...

1. A filter cartridge, comprising:a filter media defining an interior space, and having a first end and a second end;
a first end plate connected to the first end;
a second end plate connected to the second end,
a center tube connected to the second end plate, a pin being formed as a single piece with the center tube and extending away from second end plate into the interior space, the pin defining a flow passage therethrough, the center tube defining an inner cavity between the second end plate and the pin, the inner cavity structured to receive air, wherein engagement of the pin with an air flow passage places the air in the inner cavity in communication with an outside of the filter cartridge through the flow passage of the pin.

US Pat. No. 10,058,808

COMPOSITE FILTER MEDIA UTILIZING BICOMPONENT FIBERS

CUMMINS FILTRATION IP, IN...

1. A composite media comprising:at least three layers of media material, the at least three layers of media material bonded together and include, from an upstream direction to a downstream direction, a Layer A, a Layer C, and a Layer D,
wherein one or more layers adjacent to the Layer C consists of bicomponent polymeric fibers,
wherein the Layer A comprises polymeric media material having a nominal mean fiber diameter of greater than about 10 ?m; the Layer C comprises polymeric media material comprising nanofibers and having a mean pore size of 0.2-10 ?m; and the Layer D comprises polymeric media material having a nominal mean fiber diameter greater than about 10 ?m and provides support for the preceding layers,
wherein the composite media is configured as a pleated filter media,
wherein the pleated filter media has a pleat density that exceeds 1/(2H), wherein H is a thickness of the composite media, and
wherein the polymeric media material of Layer D is textured and comprises grooves in a direction perpendicular to bend lines in pleats of the Layer D.

US Pat. No. 10,035,086

FILTER CARTRIDGE FOR CLEAN SERVICING

CUMMINS FILTRATION IP, IN...

1. A filter cartridge for use within a filter housing of a filter assembly comprising:a filter media;
a first endplate attached to a first end of the filter media; and
a second endplate attached to a second end of the filter media, the second endplate including a plurality of extensions extending axially away from a surface of the second endplate, each the plurality of extensions possessing a toothed profile and being sized and positioned so as to engage with at least one rib associated with a portion of the filter housing such that, when at least one of the plurality of extensions is engaged with the at least one rib, a rotation of the portion of the filter housing in a first direction results in a corresponding rotation of the filter cartridge,
a distance between bases of two of the plurality of extensions being approximately equal to the width of the at least one rib of the filter housing such that, when at least one of the plurality of extensions is engaged with the at least on rib, relative movement between the filter cartridge and the portion of the filter housing is prevented while the portion of the housing is completely attached to the rest of the housing and when the portion of the filter housing is rotated in the first direction,
the bases of the two of the plurality of extensions extending directly from and along the surface of the second endplate.

US Pat. No. 9,884,275

SPIN-ON FILTER WITHOUT A NUT PLATE

Cummins Filtration IP, In...

1. A spin-on filter comprising:
a shell having an end wall defining a closed end of the shell, and a side wall extending from the end wall, the side wall
having an end opposite the end wall that defines an open end of the shell, the end wall and the side wall defining an interior
space of the shell between the closed end and the open end, the end of the side wall includes threads adjacent the open end
configured to connect the shell to a mounting head;

a filter cartridge disposed in the interior space of the shell, the filter cartridge including:
filter media suitable for filtering a fluid, the filter media defining an inner space;
a center tube in the inner space and supporting an interior surface of the filter media;
a first, closed end plate attached to a first end of the filter media, the closed end plate is adjacent to the closed end
of the shell;

a second end plate attached to a second end of the filter media, the second end plate is positioned adjacent to and closes
the open end of the shell;

the second end plate includes a perimeter edge attached to the end of the side wall of the shell, a central fluid passageway
in fluid communication with the inner space, and a plurality of fluid passageways positioned between the perimeter edge and
the central fluid passageway in fluid communication with the interior space; and

the second end plate includes first and second seals integrally formed therewith, the first seal is located adjacent to and
is circumferentially continuous around the central fluid passageway to enable sealing with the mounting head to seal dirty
fluid entering the filter from filtered fluid exiting the filter; the second seal is located adjacent to the perimeter edge
and is circumferentially continuous on the second end plate to enable sealing with the mounting head to prevent fluid leakage
between the filter and the mounting head,

wherein the end of the side wall is rounded toward the filter cartridge, and wherein the perimeter edge of the second end
plate comprises a circumferentially continuous bead configured for a snap fit engagement to the end of the side wall.

US Pat. No. 9,737,835

METHODS AND APPARATUSES FOR SEPARATING LIQUID PARTICLES FROM A GAS-LIQUID STREAM

Cummins Filtration IP, In...

1. A gas-liquid separator, the gas-liquid separator comprising: a housing having an inlet for receiving a gas-liquid stream
and an outlet for discharging a gas stream, the housing defining a central compartment; an impactor nozzle structure supported
by the housing within the central compartment and situated downstream of the inlet, the impactor nozzle structure receiving
the gas-liquid stream and accelerating the gas-liquid stream through an orifice that extends through the impactor nozzle structure;
an impaction surface supported by the housing within the central compartment and situated downstream of the orifice, the impaction
surface receiving the accelerated gas-liquid stream and causing separation of liquid particles from the gas-liquid stream
so as to produce the gas stream, an impactor shroud extending from a perimeter of the impaction surface and has a free end
that extends towards the impactor nozzle structure; the impactor shroud positioned downstream of the impaction surface and
within the central compartment; a baffle situated downstream of the impaction surface, downstream of the impactor shroud,
and within the central compartment, the baffle extending from the free end of the impactor shroud, the baffle modifying a
flow of the gas stream so as to reduce carryover of liquid particles in the gas stream; and a vortex finder ring positioned
downstream of the impactor shroud, the vortex ring finder ensuring that larger re-entrained liquid particles are caught on
the vortex finder ring and do not exit via the outlet.

US Pat. No. 9,670,888

REPLACEABLE FILTER ELEMENTS INCLUDING PLURAL FILTER MEDIA AND RELATED FILTRATION SYSTEMS, TECHNIQUES AND METHODS

CUMMINS FILTRATION IP, IN...

1. A fuel filter, comprising:
a housing for housing a filter element;
the filter element including:
an inner filter media stage that defines an inner fluid chamber for filtered fuel,
an outer filter media stage spaced radially apart from the inner filter media stage, the outer filter media stage having a
vertical length longer than that of the inner filter media stage,

an upper end cap at an upper end of the outer filter media stage, the upper end cap including an outer edge and an inside
edge, wherein the outer edge includes a first flange protruding downwardly from the outer edge,

a lower end cap structure at a lower end of the outer filter media stage,
an internal segment that extends from the upper end cap to a base portion to form an internal connection chamber, the base
portion provided at a top surface of the inner filter media stage, the internal segment including a downwardly extending segment
secured to the outside surface of the inner filter media stage and a second flange provided at an inner edge of the base portion,
the second flange extending downwardly from the inner edge of the base portion in parallel with an inside surface of the inner
filter media stage, wherein the second flange defines an opening leading to the inner fluid chamber,

wherein the inner filter media stage, the outer filter media stage, the upper end cap, the lower end cap structure, the internal
segment and the base portion are configured to prevent fuel passing through the outer filter media stage from bypassing the
inner filter media stage so that all of the fuel flows through and is filtered by the inner filter media stage and enters
the inner fluid chamber.

US Pat. No. 9,597,616

FLUID FILTER AND HEAD WITH QUICK CONNECTOR

CUMMINS FILTRATION IP, IN...

1. A fluid filter, comprising:
a housing defining an interior space;
a filter element disposed within the interior space of the housing, the filter element having a filtered fluid side and an
unfiltered fluid side;

a protrusion extending beyond an end of the housing in a longitudinal direction away from the interior space; the protrusion
defining an inlet fluid flow passage that is in fluid communication with the unfiltered fluid side of the filter element,
and an inlet to the inlet fluid flow passage; the protrusion further defining an outlet fluid flow passage that is in fluid
communication with the filtered fluid side of the filter element and an outlet from the outlet fluid flow passage;

a first seal and a second seal disposed on an outer surface of the protrusion and extending circumferentially around the protrusion,
the first seal is spaced from the second seal in the longitudinal direction, the first seal is disposed between the inlet
to the inlet fluid flow passage and the outlet from the outlet fluid flow passage, and the second seal is disposed between
the outlet from the outlet fluid flow passage and the end of the housing; and

a lock channel formed in the outer surface of the protrusion between the second seal and the end of the housing.

US Pat. No. 9,939,399

APPARATUS, SYSTEM, AND METHOD FOR CATALYST PRESENCE DETECTION

CUMMINS FILTRATION IP, IN...

1. A controller for determining the presence of a catalyst within an exhaust gas tube, comprising:a temperature module configured to:
determine an inlet temperature of the exhaust gas at an inlet of the exhaust gas tube, and determine an outlet temperature of the exhaust gas at an outlet of the exhaust gas tube;
an expected time delay module configured to determine an expected time delay between the inlet temperature of the exhaust gas and the outlet temperature of the exhaust gas; and
a similarity module configured to:
determine a delayed inlet temperature based on the inlet temperature and the expected time delay;
compare the outlet temperature of the exhaust gas to (1) the inlet temperature and (2) the delayed inlet temperature,
set a fault if the outlet temperature is similar to the inlet temperature, the set fault indicating that the catalyst is not present in the exhaust tube;
clear the fault if the outlet temperature is similar to the delayed inlet temperature, the clearing the fault indicating that the catalyst is present in the exhaust tube.

US Pat. No. 10,201,771

GASKET HAVING AN INTEGRAL DRAIN

CUMMINS FILTRATION IP, IN...

1. A filter assembly comprising:a housing having a central tube having a plurality of tabs;
a gasket positioned on the central tube, the gasket including a drain passage extending radially therethrough, the gasket having a sealing lobe, the gasket including a plurality of tab openings extending axially therethrough, wherein each tab of the plurality of tabs extends through a respective tab opening of the plurality of tab openings;
a filter element removably positioned within the housing and around the central tube, the filter element including a filter media and an endcap, the filter media configured to filter a fluid, the endcap including an extension portion that contacts the sealing lobe and forms a seal with the gasket when the filter element is positioned in an operating position within the housing, the extension portion blocking the drain passage when the filter element is positioned in the operating position, and wherein when the filter element is removed from the operating position, the drain passage is not blocked by the extension portion such that the fluid can flow through the drain passage.

US Pat. No. 9,956,508

FILTER ELEMENT WITH AIR VENT

Cummins Filtration IP, In...

1. A method of providing air venting from a liquid filter that includes a top load filter housing and a filter element removably installable in the top load filter housing, the top load filter housing includes a centertube and a bypass valve on the centertube, and the filter element includes a cylindrical sealing flange that is designed to engage with the bypass valve when the filter element is installed in the top load filter housing, the method comprising:installing the filter element in the filter housing, such that an air vent formed in the cylindrical sealing flange permits air to bleed past the cylindrical sealing flange,
the air vent comprising one or more of:
a notch in the free end of the cylindrical sealing flange;
a filter disk attached to the free end of the cylindrical sealing flange;
a texture at the free end of the cylindrical sealing flange; and
a hole formed in the cylindrical sealing flange adjacent to the free end.

US Pat. No. 9,827,524

AIR FILTRATION CARTRIDGES HAVING AIR FLOW RECTIFICATION AND METHODS OF MAKING AIR FILTRATION CARTRIDGES HAVING AIR FLOW RECTIFICATION

CUMMINS FILTRATION IP, IN...

1. An air cleaner comprising:
a housing having an air inlet and an air outlet;
a filter media coupled to the housing and positioned between the air inlet and the air outlet, the filter media configured
to filter an air flow that enters the housing through the air inlet and exits the housing through the air outlet; and

a rectifier coupled to the housing and positioned at a location downstream of the filter media, the rectifier including an
inner ring and an outer ring that are orthogonally oriented with respect to the air flow, the inner ring rotatable with respect
to the outer ring such that the air flow is tunable.

US Pat. No. 9,702,282

CRANKCASE VENTILATION SYSTEM HEATER

CUMMINS FILTRATION IP, IN...

1. A crankcase ventilation system comprising:
a housing;
a crankcase ventilation filter element within the housing, the crankcase ventilation filter element configured to separate
oil and oil aerosol from blow-by gases from a crankcase;

an oil inlet configured to receive pressurized oil from a component of an internal combustion engine;
a conduit positioned within the housing and positioned along a length of the housing, the conduit configured to carry the
pressurized oil from the oil inlet to a component of the crankcase ventilation system, wherein the conduit is configured to
transfer thermal energy from the pressurized oil to the housing; and

an oil outlet configured to return the pressurized oil to the crankcase.

US Pat. No. 10,184,415

ELECTRONIC FILTER DETECTION FEATURE FOR LIQUID FILTRATION SYSTEMS

CUMMINS FILTRATION IP, IN...

1. A filter monitoring system for an internal combustion engine, the filter monitoring system comprising:a filter control module (“FCM”) having a first input that receives a filtration parameter from an engine filtration system for filtering a fluid in the internal combustion engine,
a second input that receives an engine parameter from an engine control module (“ECM”), the ECM controlling operations of the internal combustion engine, wherein the FCM is configured to calculate a service life for a component of the engine filtration system using the filtration parameter and the engine parameter when the filtration parameter is available, wherein the FCM is configured to apply a fixed service interval mode when the filtration parameter is not available, and wherein the FCM is configured to output a command signal via a first output based upon the filtration parameter and engine parameter.

US Pat. No. 10,047,708

FUEL WATER SEPARATOR FILTER

Cummins Filtration IP, In...

1. A fuel water separator filter, comprising:an outer filter with a bottom endplate;
an inner filter at least partially disposed within and secured to the outer filter;
the outer filter and the inner filter combined providing a plurality of water separating layers;
the inner filter including a first sealing gasket; and
the outer filter including a second sealing gasket that is disposed on a first neck of the outer filter, wherein the first neck is connected to the bottom endplate and is disposed radially inward of an outer diameter of the bottom endplate, the first neck of the outer filter configured to seal against a second neck and a first planar surface of an insert plate on a wall of a housing,
the insert plate separating the housing into a water sump and the fuel water separator filter, the insert plate including the first planar surface and a second planar surface, the second neck disposed between the first planar surface and the second planar surface, the first planar surface comprising at least one opening that allows water separated from the fuel to pass therethrough.

US Pat. No. 10,046,263

SNAP IN PLACE NATURAL GAS FILTER

Cummins Filtration IP, In...

1. A filter assembly comprising:a shell housing having an internally threaded portion adjacent an open end of the shell housing and a groove, the internally threaded portion positioned between the groove and the open end of the shell housing, the shell housing configured to be threaded onto a head; and
a filter cartridge removably received within the shell housing, the filter cartridge having a filter media positioned between a top endplate and a bottom endplate, the top endplate including a flexible tab configured to form a snap connection with the groove such that the filter cartridge is retained in the shell housing, the flexible tab includes a lever arm that extends above a top surface of the open end of the shell housing when the filter cartridge is received in the shell housing.

US Pat. No. 10,016,711

INSTALLATION OF CORRECT FILTER CARTRIDGE IN FLUID FILTER ASSEMBLY BEFORE ALLOWING ASSEMBLY TO BE COMPLETED

Cummins Filtration IP, In...

1. A filter assembly comprising:a filter head having a connective structure, the filter head includes a movable member disposed therein, the movable member blocks assembly with the filter head unless the movable member is moved;
a filter cartridge having a filter media defining a generally longitudinal axis, the filter cartridge includes a structure configured to move the movable member disposed in the filter head so as to allow the filter cartridge to be assembled with the filter head;
a shell that receives the filter cartridge, the shell includes a connective structure that is configured to connect with the connective structure of the filter head, when the movable member is moved, so as to allow the filter cartridge to be assembled with the filter head, and so as to allow clearance for the shell and filter cartridge to be received in the filter head and allow connection with the filter head; and
a center tube disposed within a space of the filter media, wherein the structure configured to move the movable member is disposed directly on the center tube and the movable member is configured to move substantially perpendicular to the longitudinal axis, and wherein the movable member is disposed on a spud of the filter head extending into a receiving area of the filter head.

US Pat. No. 10,118,114

FILTER WITH SHIELDED INTERNAL GASKET

Cummins Filtration IP, In...

1. A combination comprising:a filter head; and
a fluid filter, the fluid filter having:
a housing shell having a closed end and an open end and defining an interior space;
a filtration media disposed within the interior space of the housing shell and configured to filter a fluid;
a nutplate secured to the open end of the housing shell and closing the open end, the nutplate includes a surface with interior facing threads that secure the fluid filter to the filter head and an axially-extending continuous rim;
a first circumferential gasket disposed on the nutplate adjacent to a base of the threaded surface and radially inward of the threaded surface, the first circumferential gasket fluidly sealing with the filter head such that the first circumferential gasket prevents leakage of fluid to an outside of the fluid filter,
the filter head having:
a circumferential recess,
an exterior threaded surface engaging the interior threaded surface of the fluid filter, and
a surface adjacent to the exterior threaded surface that engages with an axially upward facing surface of the first circumferential gasket,
wherein the rim of the nutplate is received within the circumferential recess of the filter head such that a portion of the filter head extends along an outer periphery of the nutplate;
wherein the nutplate includes a groove formed therein adjacent to and radially inward of the base of the threaded surface, wherein the first circumferential gasket is disposed in the groove and faces axially upward away from the closed end, and wherein the first circumferential gasket does not fill the entire groove so that there is a space between a side of the gasket and a surface forming the groove.

US Pat. No. 9,950,288

DRIPLESS FILTER ASSEMBLY AND METHOD FOR SERVICING A FILTRATION APPARATUS WITH THE SAME

Cummins Filtration IP, In...

1. A filter assembly of a filtration system comprising:a filter cartridge, the filter cartridge including:
at least one filter element configured to filter fluid therethrough and including a filter media surrounding an inner space of the at least one filter element with two open ends, the at least one filter element also includes an end plate that seals one of the two open ends of the at least one filter element so as to direct flow from the inner space, through the filter media, to outside the at least one filter element; and
a plate member connected to the at least one filter element; and
a cover member, the cover member configured to cover the at least one filter element and the plate member when the cover member is engaged with the filter cartridge;
wherein the at least one filter element is disposed entirely on a first side of the plate member that faces the cover member when the filter cartridge is engaged with the cover member, the at least one filter element is further disposed between the plate member and the cover member, the plate member includes a first seal surface disposed on the first side of the plate member, and a second seal surface disposed on a second side of the plate member that faces away from the cover member when the filter cartridge is engaged with the cover member, the first seal surface is configured to seal with a seal surface of the cover member, and the second seal surface is configured to seal with another component of a filtration system, so as to at least minimize fluid leakage and dripping through the sealing surfaces during a servicing operation; and
wherein the filter cartridge is removable with the cover member during a service operation.

US Pat. No. 9,879,578

AIR-OIL SEPARATOR WITH JET-ENHANCED IMPACTION AND METHOD ASSOCIATED THEREWITH

Cummins Filtration IP, In...

1. A gas-liquid separator, the gas-liquid separator comprising:
a housing having an inlet for receiving a gas-liquid stream;
an impactor nozzle plate supported by the housing and situated downstream of the inlet, the impactor nozzle plate receiving
the gas-liquid stream;

an impactor nozzle extending through the impactor nozzle plate and providing a passage for the gas-liquid stream to pass through
the impactor nozzle plate, thereby creating a pressure differential between an upstream end of the impactor nozzle and a downstream
end of the impactor nozzle when the gas-liquid stream is passed through the impactor nozzle plate; and

a pressurized gas jet nozzle comprising a circular plenum surrounding the impactor nozzle that injects a high-velocity gas
stream radially into the impactor nozzle such that the high-velocity gas stream is injected into the gas-liquid stream so
as to decrease the pressure differential.

US Pat. No. 10,207,214

FILTER WITH BIDIRECTIONAL PLEATED MEDIA

CUMMINS FILTRATION IP, IN...

1. A pleated air filter comprising:an air filter media sheet defining a longitudinal centerline, the longitudinal centerline extending longitudinally from a first end of the air filter media sheet to a second end of the air filter media sheet,
the air filter media sheet divided into a plurality of panels by a plurality of hinges formed from the air filter media sheet, each hinge in the plurality of hinges is formed perpendicular to the longitudinal centerline of the air filter media sheet and each hinge of the plurality of hinges is parallel to the first end and second end of the air filter media sheet,
the air filter media sheet folded along the longitudinal centerline such that each of the plurality of panels forms a pocket in the filter media such that the air filter media sheet comprises a plurality of pockets, wherein each pocket of the plurality of pockets has an opening opposite the longitudinal centerline;
a plurality of spacer elements, each of the plurality of spacer elements positioned on an outer surface of a panel or within each pocket of the plurality of pockets, wherein at least one spacer element is positioned within at least one of the plurality of pockets; and
a polyurethane seal,
wherein the air filter media sheet is alternately folded along the hinges of the plurality of hinges to form a pleated air filter block, and wherein the polyurethane seal is positioned on a side of the pleated air filter block such that the polyurethane seal seals the side.

US Pat. No. 10,112,138

FILTRATION SEALING SYSTEM

CUMMINS FILTRATION IP, IN...

1. A method for filter element installation, comprising:positioning a filter element between a first housing section and a second housing section, the first housing section having a first housing section border therearound, the second housing section having a second housing section border therearound, the filter element including filter media and a filter element border extending from the filter media in an x-y plane;
mating the filter element with the first housing section and the second housing section at a mating interface between the filter element border and the first and second housing section borders, a first side of the filter element border engaging the first housing section border and a second, opposite side of the filter element border engaging the second housing section border,
one of the first side of the filter element border and the second side of the filter element border comprising one or more axial projections projecting in a z-direction that is perpendicular to the x-y plane, a circumferential surface of the filter element border comprising a radially extending recess in the x-y plane,
wherein one of the first housing section border and the second housing section border includes one or more axial recesses recessed in the z-direction and complementally receiving the one or more axial projections therein;
wherein one of the first housing section border and the second housing section border includes an inner housing surface complementary with the circumferential surface of the filter element border; and
wherein the filter element border is sealed along the mating interface, including being sealed at all of the one or more axial projections and all of the one or more axial recesses, and blocks fluid flow across the filter element border, including blocking fluid flow across the one or more axial projections and the one or more axial recesses.

US Pat. No. 9,987,578

GRADIENT NANOFIBER FILTER MEDIA

CUMMINS FILTRATION IP, IN...

1. A composite filter media comprising multiple layers of media material, wherein: the composite filter media comprises at least one nanofiber layer that comprises polymeric media material having a geometric mean fiber diameter of less than 1 ?m; and the nanofiber layer comprises fibers configured in a gradient such that ratio of the geometric mean diameter of fibers at the upstream face of the nanofiber layer to the geometric mean diameter of fibers at the downstream face of the nanofiber layer is between 1.2 and 2.8, wherein the composite filter media has a mean flow pore size P50 of between 0 and 7 ?m, wherein the composite filter media has a pore size distribution P99/P50 of less than 2, and wherein P50 and P99 are the pore sizes such that 50% and 99%, respectively, of a total flow passes through pore sizes equal to or smaller than P50 and P99.

US Pat. No. 10,252,203

FILTER WITH ENGINE INTEGRITY PROTECTION

Cummins Filtration IP, In...

1. A filter system comprising:a designated filter element comprising a filter element frame including a geometric projection extending therefrom along a longitudinal axis of the designated filter element the geometric projection comprising a gap portion; and
a filter element housing including an opening keyed to the geometric projection, wherein the opening comprises a recess, a channel or a slot, wherein the recess, the channel, or the slot includes a rib positioned within the opening and extending away from the recess, the channel, or the slot along the longitudinal axis, the rib keyed to the gap portion of the geometric projection;
wherein the geometric projection engages the opening when the designated filter element is installed in the filter element housing, and wherein the filter element housing comprises a filter housing body and a filter housing cover.

US Pat. No. 10,287,935

VIRTUAL FILTER CONDITION SENSOR

Cummins Filtration IP, In...

1. A system for determining a condition of a filter filtering fluid associated with an engine system, the system comprising:a plurality of sensors operatively connected to the engine system, the plurality of sensors configured to collectively provide information relating to engine run time, engine torque, and engine speed;
an engine control module communicatively connected to the plurality of sensors, the engine control module configured to:
receive the information from the plurality of sensors relating to engine run time, engine torque, and engine speed,
using at least some of the received information to determine a plurality of input variables, the plurality of input variables representing a plurality of engine operating conditions including engine run time, engine torque, and engine speed;
determine the condition of the filter based on an algorithm that incorporates the plurality of input variables; and
outputting information relating to the condition of the filter.

US Pat. No. 10,239,001

FILTER HAVING A FILTER CARTRIDGE, AND CORRESPONDING FILTER CARTRIDGE

Cummins Filtration IP, In...

13. A bypass valve for a filter assembly including a filter body configured to receive a removable filter cartridge defining a clean zone and a dirty zone, wherein fluid to be filtered flows through said removable filter cartridge from said dirty zone to said clean zone, the filter assembly further including a tube within the filter body, the tube having an unattached end having an opening at least partially formed by an edge extending diametrically towards an interior of the tube, the bypass valve comprising:a valve seat;
a movable valve closure element having a closing-off surface and a contact surface opposite the closing-off surface, the movable valve closure element being movable between a closed position wherein the closing-off surface contacts and engages said valve seat such that said bypass valve is closed, and an open position wherein the closing-off surface disengages said valve seat such that said bypass valve is opened and the contact surface of the movable valve closure element contacts the edge of the tube to permit fluid flow therethrough from said dirty zone unfiltered to said clean zone, wherein an area for fixedly joining the movable valve closure element to the removable filter cartridge abuts the closing-off surface;
a return member biasing said movable valve closure element to said closed position, wherein the return member is retained within the tube by abutting the edge at a first end and wherein fluid pressure in said dirty zone above a designated bypass valve-opening threshold pressure overcomes the bias of said return member to move said movable valve closure element to said open position;
said valve seat and said movable valve closure element being mountable to said removable filter cartridge and removable therewith upon removal of said removable filter cartridge from said filter body;
said return member being mountable to said filter body and configured to remain in said filter body upon removal of said removable filter cartridge from said filter body.

US Pat. No. 10,226,727

FILTER ASSEMBLY WITH CAM-LOCK FILTER INTERFACE

Cummins Filtration IP, In...

1. A filter assembly, comprising:a housing;
a cover movably connected to the housing and movable between an open position and a closed position;
at least one projection extending from the cover towards an interior of the housing; and
a filter element that fits at least partially within the housing,
the at least one projection interfacing with the filter element and causing the filter element to pivot within the housing when the cover is moved from the open position to the closed position such that the at least one projection seals the filter element and the housing together when the cover is in the closed position.
US Pat. No. 10,227,725

TUNING SURFACE PROPERTIES OF MELT BLOWN POLYESTER FIBERS BY HYDROLYSIS AND SOLUTION GRAFTING

Cummins Filtration IP, In...

1. A method for modifying a polyester and polyester based fiber, comprising subjecting said polyester fiber to alkaline hydrolysis, and further functionalizing the polyester fiber by fluorination in a solution comprising a fluoro-amine compound to obtain a functionalized fiber.

US Pat. No. 10,213,715

FLUID FILTER WITH LOCALIZED FLOW ATTACHMENT

Cummins Filtration IP, In...

1. An outer cap for an exterior of a fluid filter housing, the outer cap comprising:a stem configured to communicate a fluid to be filtered to the fluid filter housing, configured to communicate the fluid out of the fluid filter housing, and configured to localize fluid flow both into and out of the outer cap;
a flow separator configured to maintain separate flow channels for the fluid flowing into and out of the outer cap, the stem and flow separator formed within the outer cap such that the combination of the stem, flow separator, and outer cap are formed as a single component;
a seal structure disposed about an outer surface of the stem, the seal structure configured to substantially prevent or confine leakage from the stem; and
an endplate sealingly engaged with an outer annular surface of the flow separator, the endplate configured to engage a filter cartridge within the fluid filter housing,
wherein the outer cap is configured to attach to the fluid filter housing, the fluid filter housing is configured to contain the filter cartridge, and at least a portion of the fluid filter housing is configured to contact the fluid.

US Pat. No. 10,118,117

AIR FILTER WITH IMPROVED PERFORMANCE OR POSITIONING

Cummins Filtration IP, In...

1. A filter comprising:a housing that extends along an axis between first and second axial ends, the housing comprising a main body and a cover removably secured to the main body in a closed position;
a primary filter element that is disposed in the housing and axially extends between first and second axial ends that respectively are adjacent the first and second axial ends of the housing, the primary filter element has a hollow interior, the primary filter element has a first axial length;
a secondary filter element disposed in the hollow interior of the primary filter element, the secondary filter element has a second axial length, the second axial length is longer than the first axial length of the primary filter element, the secondary filter element rests against the cover when the cover is in the closed position; and
an end cap disposed on the second axial end of the primary filter element.

US Pat. No. 10,507,417

SYSTEM AND METHOD FOR IMPROVING MASS AIR FLOW SIGNAL QUALITY

Cummins Filtration IP, In...

15. A method of filtering a stream of air, the method comprising:providing a filter assembly including a panel housing frame comprising a support frame within, a filter media coupled to an upstream end of the support frame, and a conditioning device coupled to a downstream end of the support frame and positioned in a downstream direction from a clean side of the filter media with respect to the stream of air, wherein the conditioning device is offset from the clean side of the filter media by a separation distance maintained by the support frame;
providing a mass air flow sensor positioned downstream of the conditioning device with respect to the stream of air;
routing the stream of air through the filter media;
after passing through the filter media routing the stream of air through the conditioning device, the conditioning device including a mesh panel; and
routing at least a portion of the stream of air past the mass air flow sensor.

US Pat. No. 10,507,419

CLEANABLE FILTER

Cummins Filtration IP, In...

1. A method for cleaning an air filter element having an installed condition in a filter housing and filtering fluid in a given application, the method comprising:conducting a filtering operation for filtering an operating fluid with the air filter element, the filtering operation comprising:
applying unfiltered operating fluid to a dirty side of the air filter element such that clean filtered operating fluid is delivered from a clean side of the air filter element; and
conducting a cleaning operation while the filtering operation is being conducted, the cleaning operation comprising:
applying, by a controller, pressurized cleaning air to clean the air filter element while the air filter element is in the installed condition in the filter housing, wherein the pressurized cleaning air frees particulate from the air filter element;
ejecting, by the controller, the freed particulate from the filter housing through a pressurized cleaning air and contaminant outlet at a discharge port; and
applying vacuum to the discharge port to provide vacuum assist evacuation,
wherein the pressurized cleaning air is applied to the air filter element during the filtering operation,
the air filter element includes a primary seal seals the air filter element to the filter housing to isolate the clean side from the dirty side, the method further comprising providing the air filter element with a manifold receiving the pressurized cleaning air and applying the pressurized cleaning air to the air filter element,
the pressurized cleaning air being applied from the manifold to the dirty side.

US Pat. No. 10,441,903

FILTER WITH ELECTRICAL SIGNATURE ANTI-COUNTERFEITING FEATURE

Cummins Filtration IP, In...

1. A replaceable filter element comprising:a first endcap;
a second endcap;
filter media having an axial length and extending between the first endcap and the second endcap; and
a conductive path formed by a wire extending between a first electrical contact terminal and a second electrical contact terminal, the conductive path extending the axial length of the filter media, the conductive path having a pre-determined externally measurable electrical resistance signature.

US Pat. No. 10,428,775

NO FILTER NO RUN FLUID FILTER WITH INTEGRATION OF LOW PRESSURE FLUID SYSTEM

Cummins Filtration IP, In...

1. A fluid filter, comprising:a filter media having a filtered fluid side and an unfiltered fluid side;
a first end plate comprising a first path and a second path in fluid communication with the first path, the first path perpendicular to the first end plate and the second path parallel to the first end plate;
a second end plate;
a bypass seal disposed on a surface of the first endplate, the bypass seal disposed along the first path and configured to cause fluid to flow from the first path to the second path,
wherein the filter media is disposed between the first end plate and the second end plate, the fluid filter is configured to be engaged with a filter head, the filter head including a bypass flow outlet, and the bypass seal is configured to block fluid flow from the first path to the bypass flow outlet when the fluid filter is engaged with the filter head; and
an air vent valve configured to vent air from the fluid filter, the air vent valve adjacent the bypass seal, the air vent valve comprising a first vent position and a second vent position, wherein in the first vent position the air vent valve is open, and wherein in the second vent position the air vent valve is closed, the air vent valve transitioning from the first vent position to the second vent position as fluid flow pressure increases.

US Pat. No. 10,391,434

COMPOSITE FILTER MEDIA UTILIZING BICOMPONENT FIBERS

Cummins Filtration IP, In...

1. A coalescing element comprising:a composite media comprising:
at least three layers of media material, the at least three layers of media material bonded together and include, from an upstream direction to a downstream direction, a Layer A, a Layer C, a Layer D,
wherein one or more layers adjacent to the Layer C consists of bicomponent polymeric fibers,
wherein the Layer A comprises polymeric media material having a nominal mean fiber diameter of greater than about 10 ?m; the Layer C comprises polymeric media material comprising nanofibers and having a mean pore size of 0.2-10 ?m; and the Layer D comprises polymeric media material having a nominal mean fiber diameter greater than about 10 ?m and provides support for the preceding layer,
wherein the composite media is configured as a pleated filter media,
wherein the pleated filter media ha a pleat density that exceeds 1/(2H), wherein H is a thickness of the composite media, and
wherein the polymeric media material of Layer D is textured and comprises grooves in a direction perpendicular to bend lines in pleats of the Layer D.

US Pat. No. 10,213,718

AIR INTAKE WATER SEPARATOR

CUMMINS FILTRATION IP, IN...

1. An air intake duct comprising:a plurality of louvers forming an air inlet to a housing, each louver including:
an inlet section, and
an angled section, the angled section inclined with respect to the inlet section;
the housing positioned downstream of the plurality of louvers in an air flow direction, the housing including a drain configured to permit separated water from an intake air passing through the plurality of louvers and into the housing to be drained from the housing;
a ramp configured to guide separated water out of the plurality of louvers; and
an inner inlet duct that provides the intake air to a component, the inner inlet duct extending into an internal volume defined by the housing and positioned downstream of the plurality of louvers in the air flow direction, the inlet duct extending above the drain by a distance thereby forming a well in the housing between a top of the inner inlet duct and the drain.

US Pat. No. 10,486,096

AXIAL FLOW AIR FILTER ELEMENT

Cummins Filtration IP, In...

1. An axial flow filter element comprising:filter media including an inlet face and an outlet face, the inlet face spaced apart from the outlet face;
an upper support ring adjacent to the inlet face of the filter media, the upper support ring circumscribing the filter media and supporting an upper seal, the upper seal forming a seal with a housing when the filter element is received in the housing;
a lower support ring adjacent to the outlet face of the filter media, the lower support ring circumscribing the filter media, wherein the lower support ring does not include a seal configured to engage a surface of the housing; and
a lower support element coupled to the lower support ring, the lower support element positioned such that the lower support element rests against a surface of the housing when the filter element is received in the housing, wherein the lower support element does not form a seal between the lower support ring and the housing;
wherein the lower support element is a permeable media gasket.

US Pat. No. 10,441,910

AIR FILTER ASSEMBLIES AND CARRIER FRAMES HAVING VORTEX-GENERATING FLOW GUIDE

Cummins Filtration IP, In...

1. An air filter assembly comprising:an air filter element that filters an airflow from an upstream inlet to a downstream outlet and filters air flowing therethrough from upstream to downstream;
a carrier frame carrying the air filter element;
a plurality of vortex-generating flow guides at the outlet, the plurality of vortex-generating flow guides normalizing airflow to a uniform velocity profile downstream thereof;
a grid upon which the pluralitv of vortex-generating flow guides are postioned, all of the air flowing through the grid first flows through the air filter element; and
a mass airflow sensor (MAF) across which the airflow having the uniform velocity profile travels.

US Pat. No. 10,428,291

ASHLESS OIL ADDITIVES AND THEIR USE AS TBN BOOSTERS

Cummins Filtration IP, In...

1. An engine oil composition, comprising:an engine oil; and
an ashless oil additive comprising at least one diazabicyclo or triazabicyclo compound, wherein the diazabicyclo or triazabicyclo compound comprises at least three tertiary amines.

US Pat. No. 10,478,762

FLUID QUALITY MONITORING AND FILTRATION SYSTEM

Cummins Filtration IP, In...

1. A method of monitoring a fluid within a fluid filter assembly, comprising:integrating a sensor probe into a filter element of the fluid filter assembly by mounting the sensor probe to an endplate of the filter element, wherein the sensor probe comprises a first chamber and a second chamber, and wherein the second chamber of the sensor probe includes a chemically reactive material whose electrical properties change as a result of at least one property of the fluid being filtered;
exposing the first and second chambers of the sensor probe to the fluid;
measuring a first conductance or capacitance of the fluid in the first chamber;
measuring a second conductance or capacitance of the fluid in the second chamber; and
comparing the first conductance or capacitance to the second conductance or capacitance to determine a characteristic of the fluid or fluid quality parameter.

US Pat. No. 10,537,837

GRADIENT NANOFIBER FILTER MEDIA

Cummins Filtration IP, In...

1. A composite filter media comprising multiple layers of media material, wherein: the composite filter media comprises at least one nanofiber layer that comprises polymeric media material having a geometric mean fiber diameter of less than 1 ?m; the composite filter media has a pore size distribution such that P99/P50 is less than 2, wherein P50 and P99 are the pore sizes such that 50% and 99%, respectively, of a total flow passes through pore sizes equal to or smaller than P50 and P99; and the composite filter media comprises a microfiber layer upstream of and adjacent to the nanofiber layer, the microfiber comprising microfibers such that the ratio of the geometric mean diameter of fibers at the downstream face of the microfiber layer to the geometric mean diameter of fibers at the upstream face of the nanofiber layer is between 1.2 and 2.8.

US Pat. No. 10,537,842

SYSTEMS AND METHODS FOR UTILIZING A LOW-FRICTION ROTATING COALESCER CONTACT SEAL

Cummins Filtration IP, In...

1. A crankcase ventilation system comprising:a housing;
an inlet configured to receive blowby gases from an internal combustion engine and to provide the blowby gases to the housing;
an outlet configured to provide filtered blowby gases from the housing and to at least one of an intake of the internal combustion engine and an ambient;
a rotating coalescer positioned within the housing, the rotating coalescer including:
an endcap, and
a filter media; and
an oil inlet providing oil to a gap between a stationary portion of the housing and the endcap such that a hydrodynamic seal is formed by the oil positioned in the gap during an operating condition of the rotating coalescer, the hydrodynamic seal preventing a negative recirculation of the blowby gases;
wherein when the rotating coalescer rotates above a threshold rotational velocity and creates a pumping pressure that causes a high pressure within the housing on a clean side of the filter media and a low pressure on a dirty side of the filter media, thereby causing a positive recirculation of the blowby gases in which a portion of already filtered blowby gas from the clean side of the filter media returns through the gap to the dirty side of the filter media, such that the hydrodynamic seal is broken.

US Pat. No. 10,518,200

NO FILTER NO RUN FLUID FILTRATION SYSTEM

Cummins Filtration IP, In...

1. A filter system comprising:a designated filter cartridge including a geometric projection therein; and
a filter cartridge housing;
a filter cartridge housing cover; and
a valve that controls fluid flow out of the filter system, the valve comprising:
a valve support;
a valve body including at least one valve body projection attaching the valve body to the valve support;
a valve ball disposed between the valve body and the valve support;
a passage in the valve support keyed to the valve ball such that when a fluid pressure forces the valve ball against the passage, fluid flow through the passage is restricted; and
wherein the valve comprises an opening keyed to the geometric projection such that the geometric projection engages the opening and actuates the valve by preventing the valve ball from contacting the passage.

US Pat. No. 10,220,338

ELECTRONIC FILTER DETECTION FEATURE FOR LIQUID FILTRATION SYSTEMS

CUMMINS FILTRATION IP, IN...

1. A filter assembly comprising:a filter element configured to filter a fluid;
a filter housing for the filter element;
a sensor having sensing probes;
an electrical circuit having a first portion located within the filter housing and a second portion coupled to the filter element, wherein installing the filter element in the filter housing electrically connects the first and second portions of the electrical circuit via the sensing probes; and
a control circuit that determines whether the filter element installed in the housing is a designated type of filter element based upon a first determined voltage of the electrical circuit and at the same time detects accumulated water in the filter housing by detecting a second voltage across the sensing probes.