US Pat. No. 9,295,111

MICROWAVE OVEN

MIDEA GROUP CO., LTD, Fo...

1. A microwave oven, comprising:
an oven door, a heating chamber, and a magnetron, the oven door being installed in the front of the heating chamber, the heating
chamber including a back wall,

a plurality of identical protrusions being disposed in a rectangular matrix on the back wall, wherein two of the plurality
of identical protrusions disposed adjacent to each other tightly contact each other without any space between them,

each of the protrusions having a shape of a regular pyramid with four triangle reflecting surfaces meeting at one point towards
an inside of the heating chamber, and

each of the reflecting surfaces being configured to reflect a microwave emitted by the magnetron.

US Pat. No. 9,918,357

FIXING MEMBER, COOKING RANGE AND OVEN WITH THE SAME

GUANGDONG MIDEA KITCHEN A...

1. A fixing member, comprising:
a base plate defining a mounting hole;
a connecting plate comprising a first plate segment connected at a first side of the base plate, a second plate segment, and
a third plate segment substantially parallel to the base plate, the second plate segment being connected between the first
and third plate segments; and

a fixing plate defining a first end connected at a second side of the base plate and perpendicular to the base plate, and
a second end having a snapping tongue bent and extended in a direction away from the connecting plate, a vertical distance
between a free end of the snapping tongue and the base plate being equal to or smaller than that between the third plate segment
and the base plate;

wherein a notch is formed at a free end of the third plate segment at a position corresponding to the snapping tongue.

US Pat. No. 9,918,358

MICROWAVE COOKING DEVICE

GUANGDONG MIDEA KITCHEN A...

1. A microwave oven, comprising:
a shell defining a cooling air inlet and a cooling air outlet therein;
a compartment defining a cavity, nested in the shell and defining an open front end, a receiving space being defined between
a rear plate of the compartment and a rear plate of the shell, an air intake duct being formed between a side plate of the
shell and a side plate of the compartment and communicated with the cooling air inlet;

a first electric member and a second electric member disposed in the receiving space respectively; and
a fan disposed in the receiving space, defining a first air inlet, a second air inlet opposite to the first air inlet, a first
air outlet communicated with the first air inlet to define a first air blowing channel, and a second air outlet communicated
with the second air inlet to define a second air blowing channel, the first air blowing channel being disposed independently
of the second air blowing channel, the fan being configured to cool the first electric member via the first air blowing channel
and to cool the second electric member via the second air blowing channel;

a compartment air inlet formed in the rear plate of the compartment, a compartment air outlet formed in the compartment, and
wherein the microwave oven further comprises a front air guiding plate defining an end adjacent to and opposite to the first
air outlet, and extending in a direction away from the first air outlet, a first air duct is formed between the front air
guiding plate and the rear plate of the compartment and communicated with the compartment air inlet, and a second air duct
is formed behind the front air guiding plate and opposite to the first electric member.

US Pat. No. 9,375,120

DUST COLLECTOR FOR CLEANER

Jiangsu Midea Cleaning Ap...

1. A dust collector for a cleaner, comprising:
a dust container defining an air inlet in a bottom wall thereof;
a cyclone separator disposed in the dust container and defining a cyclone separator inlet communicated with the air inlet
and a cyclone separator outlet;

a dust container top cover covering the dust container and defining an air outlet communicated with the cyclone separator
outlet;

an air intake tube defining two ends communicated with the air inlet and the cyclone separator inlet respectively and being
engaged with the dust container;

wherein the cyclone separator comprises:
a cyclone barrel defining an upper open end, the cyclone separator inlet being formed in a bottom wall of the cyclone barrel,
an air guide plate and an air shield plate being disposed in the cyclone barrel, and at least a part of the air guide plate
being extended upwardly and spirally;

a cyclone separator end cover disposed above the cyclone barrel, the cyclone separator outlet being formed in the cyclone
separator end cover, in which an upper end of the dust container is open, and the cyclone separator end cover covers the upper
end of the dust container;

a filter defining an upper end communicated with the cyclone separator outlet, and a lower end extended into the cyclone barrel;
an air guide barrel defining a lower end communicated with the cyclone separator inlet and an upper closed end, and defining
an air vent in a side wall of the air guide barrel communicated with the cyclone barrel,

the air shield plate being disposed above the air vent and no higher than an upper edge of the air guide plate;
wherein the air guide plate is annular and comprises:
first and second plate bodies perpendicular to an axis of the cyclone barrel respectively;
a spiral plate extended spirally in an up-down direction, and defining two ends connected to the first and second plate bodies
respectively;

a connection plate parallel to an axis of the cyclone separator, and defining two ends connected to the first and second plate
bodies respectively.

US Pat. No. 9,353,969

WATER TANK AND HEAT PUMP WATER HEATER COMPRISING THE SAME

MIDEA GROUP CO., LTD., F...

1. A water tank, comprising:
an inner tank; and
a condenser disposed on the inner tank for heating water contained therein, having:
a liquid inlet tube defining a first end and a second end;
a liquid outlet tube defining a first end and a second end;
a first condensing tube wound around an outer wall of an upper part of the inner tank, a first end of the first condensing
tube being communicated with the second end of the liquid inlet tube;

a second condensing tube wound around an outer wall of the lower part of the inner tank, a first end of the second condensing
tube being communicated with the second end of the liquid inlet tube; and

a third condensing tube wound around an outer wall of a bottom part of the inner tank beneath the lower part, a first end
of the third condensing tube being communicated with second ends of the first and second condensing tubes respectively, a
second end of the third condensing tube being communicated with a first end of the liquid outlet tube;

wherein the first condensing tube, the second condensing tube, and the third condensing tube are communicated via a T-junction.

US Pat. No. 9,055,838

PORTABLE SLOW COOKER

Midea Group Co., Ltd., (...

1. A portable slow cooker, comprising
a cooking body,
a liner container disposed within the cooking body,
a lid disposed on an opening of the liner container, and
a handle, wherein:
the handle is spanned over the lid and has lower ends in vertically slidable cooperation with handle boxes disposed at a side
surface of the cooking body;

the handle is locked by the handle boxes when the handle slides to a lowest position, so as to press the lid to form a sealing
engagement with the liner container;

each lower end of the handle is provided with a lock catch, and the handle box is provided with a flexible pressing buckle
that is matched with the lock catch to lock the handle at the lowest position; and

each of the handle boxes comprises a box base, a box lid, a positioning buckle and a trigger, wherein:
a spring installed within each handle box is provided as a restoring mechanism, the box lid being mounted on the box base;
and

the trigger is rotatably connected to the handle box, the positioning buckle is rotatably connected to the trigger, and each
lower end of the handle is rotatably connected to a slider sliding within the box base.

US Pat. No. 9,516,988

WATER SPRAYING APPARATUS OF DISHWASHER AND DISHWASHER COMPRISING THE SAME

Foshan Shunde Midea Washi...

1. A water spraying apparatus of a dishwasher comprising:
a water source connecting pipe having a water outlet tube,
a spraying arm having a water inlet tube, and
a connecting device connecting the water source connecting pipe with the spraying arm, wherein the connecting device comprises
first and second semicircular fitting rings which are adapted to snap-fit with each other to form a connecting ring, the connecting
ring is rotatably fitted over the water outlet tube of the water source connecting pipe and positioned in an axial direction
of the connecting ring between the water inlet tube of the spraying arm and the water outlet tube of the water source connecting
pipe;

wherein the first semicircular fitting ring is provided with a first snapping tongue and a first backstop rib, and the second
semicircular fitting ring is provided with a second snapping tongue snap-fitted with the first backstop rib and a second backstop
rib snap-fitted with the first snapping tongue;

wherein the first snapping tongue is disposed on a peripheral surface of the first semicircular fitting ring and adjacent
to an engaging surface of the first semicircular fitting ring with the second semicircular fitting ring, and the second snapping
tongue is disposed on a peripheral surface of the second semicircular fitting ring and adjacent to an engaging surface of
the second semicircular fitting ring with the first semicircular fitting ring.

US Pat. No. 9,565,983

CYCLONIC SEPARATING DEVICE, CLEANER, SURFACE CLEANING APPARATUS AND CYCLONIC SEPARATING METHOD

JIANGSU MIDEA CLEANING AP...

1. A cyclonic separating device, comprising:
a first cyclonic separator defining a first longitudinal axis, the first cyclonic separator having one or more walls defining
an interior separating space;

a plurality of second cyclonic separators located downstream of the first cyclonic separator, arranged circumferentially around
the first longitudinal axis in parallel, and integrally received in the first cyclonic separator such that the plurality of
second cyclonic separators are located wholly within the interior separating space of the first cyclonic separator;

an air intake centrally located along the first longitudinal axis of the first cyclonic separator;
an inlet passage in fluid communication with the air intake and at least partially received in the first cyclonic separator;
a guiding passage communicated with the inlet passage and the first cyclonic separator respectively, wherein a fluid introduced
through the inlet passage is tangentially guided outwardly into the interior separating space of the first cyclonic separator
by the guiding passage;

wherein each of the plurality of second cyclonic separators has an air inlet formed on a side wall thereof, and the fluid
is tangentially guided into the plurality of second cyclonic separators by the air inlet.

US Pat. No. 10,149,352

MICROWAVE OVEN

GUANGDONG MIDEA KITCHEN A...

1. A microwave oven, comprising:an outer housing defining an accommodating chamber therein and having a first cooling air inlet and a first cooling air outlet therein;
an inner housing disposed within the accommodating chamber and defining a heating chamber therein, the heating chamber having a second cooling air inlet and a second cooling air outlet communicated with the first cooling air outlet, the second cooling air inlet and the second cooling air outlet being formed in the top wall of the heating chamber, a cooling air passage being defined between an upper surface of the inner housing and a top wall of the accommodating chamber and communicated with the second cooling air inlet;
a cooling fan having an air inlet communicated with the first cooling air inlet via an air inlet passage and an air outlet communicated with the cooling air passage, and the cooling fan being positioned between the upper surface of the inner housing and the top wall of the accommodating chamber; and
an electrical component disposed within the cooling air passage,
wherein the air inlet passage includes an air inlet section extended in a front-rear direction and a receiving section extended in a left-right direction, a front end of the air inlet section is communicated with the first cooling air inlet and a rear end of the air inlet section is communicated with a right end of the receiving section, and the cooling fan is disposed within the receiving section which is communicated with the cooling air passage,
wherein the microwave oven further comprises:
a side plate disposed on the upper surface of the inner housing and defining an accommodating space with a front wall of the accommodating chamber, the first cooling air inlet and outlet being formed in the front wall of the accommodating chamber;
a first plate disposed within the accommodating space and defining an air outlet passage with the side plate and the front wall of the accommodating chamber, the first cooling air outlet and the second cooling air outlet being communicated with each other via the air outlet passage; and
a second plate disposed within the accommodating space, the second plate defining one of the cooling air passage and the air inlet passage with the first plate and the front wall of the accommodating chamber, and the second plate defining the other of the cooling air passage and the air inlet passage with the side plate and the front wall of the accommodating chamber.

US Pat. No. 9,920,949

AIR CONDITIONING SYSTEM AND ENERGY MANAGEMENT METHOD OF AIR CONDITIONING SYSTEM

Midea Group Co., Ltd., F...

1. An air conditioning system, comprising a controller and an indoor unit, the indoor unit comprising a controlling module,
the controller being configured to send an energy control signal to the controlling module, the controlling module being configured
to receive the energy control signal and determine a state of the indoor unit according to the energy control signal, states
of the indoor unit comprising an off state, a heating state and a cooling state;
if the indoor unit is under the off state, the controlling module being configured to maintain the off state of the indoor
unit, and determine whether an indoor temperature is smaller than a preset temperature;

if the indoor temperature is smaller than the preset temperature, the controlling module being configured to control the indoor
unit to heat according to a first heating temperature, and increase a target degree of subcooling of the indoor unit;

if the indoor temperature is not smaller than the preset temperature, the controlling module being configured to maintain
the off state of the indoor unit;

if the indoor unit is under the heating state, the controlling module being configured to set a second heating temperature
of the indoor unit to the first heating temperature, and control the indoor unit to heat according to the first heating temperature,
and increase the target degree of subcooling of the indoor unit, the first heating temperature being smaller than the second
heating temperature;

if the indoor unit is under the cooling state, the controlling module being configured to set a first cooling temperature
of the indoor unit to a second cooling temperature and control the indoor unit to cool according to the second cooling temperature,
and increase a target degree of superheating of the indoor unit, the second cooling temperature being greater than the first
cooling temperature;

the air conditioning system comprising an outdoor unit, when the controlling module controls the indoor unit to heat according
to the first heating temperature, the controlling module being configured to send a first heating demand to the outdoor unit;

the controlling module being further configured to reduce the first heating demand to a second heating demand, and send the
second heating demand to the outdoor unit;

when the controlling module controls the indoor unit to cool according to the second cooling temperature, the controlling
module being configured to send a first cooling demand to the outdoor unit;

the controlling module being further configured to reduce the first cooling demand to a second cooling demand, and send the
second cooling demand to the outdoor unit.

US Pat. No. 9,743,795

ELECTRIC COOKING DEVICE

MIDEA GROUP CO., LTD., F...

1. An electric cooking device comprising:
a plurality of electric cookers which are capable of cooking ingredients therein independently,
wherein adjacent electric cookers of the plurality of the electric cookers are detachably connected with each other,
wherein each of the electric cookers defines a first side and a second side, and comprises a first electric connector disposed
on the first side and a second electric connector disposed on the second side,

wherein the first electric connector of one electric cooker of the adjacent electric cookers is adapted to electrically connect
with the second electric connector of the other electric cooker of the adjacent electric cookers via a plug and socket relationship,

wherein each of the electric cookers comprises an outer pot and at least one inner pot adapted to dispose in the outer pot
and to contain ingredients,

wherein each of the electric cookers comprises a protrusion disposed on the first side and a recess disposed in the second
side,

wherein the first electric connector is a female contact disposed on the protrusion and the second electric connector is a
male contact disposed in the recess, and

wherein the protrusion of the one electric cooker of the adjacent electric cookers is adapted to fit within the recess of
the other electric cooker of the adjacent electric cookers.

US Pat. No. 9,856,127

WATER SUPPLY APPARATUS

FOSHAN MIDEA CHUNGHO WATE...

1. A water supply apparatus, comprising:
a cooling tank with a cold water outlet, wherein the cooling tank is suitable for being connected with a water source and
the water source is configured for supplying water to the cooling tank;

a refrigeration system comprising a compressor, a condenser, a throttling device and an evaporator sequentially connected
head to tail; and

a heat exchange device disposed outside the cooling tank and provided with a water inlet and a water outlet communicating
with an inside of the cooling tank;

wherein the cooling tank is a component separated from the heat exchange device and is connected to the heat exchange device
through a connecting pipeline, and the heat exchange device is configured such that water in the cooling tank flows into the
heat exchange device from the water inlet and performs a heat exchange with the evaporator, the water after the heat exchange
flows out from the water outlet and flows back to the cooling tank.

US Pat. No. 10,194,494

MICROWAVE COOKING DEVICE

MIDEA GROUP CO., LTD., F...

1. A microwave cooking device, comprising:a shell defining an air inlet and an air outlet therein;
a filter screen disposed at the air outlet; and
a ventilation grid assembly comprising:
a body defining a through hole therein and disposed on an outer surface of the shell, the through hole being opposite to the filter screen;
a cover plate disposed on the body and moveable between an open position where the through hole is opened by the cover plate and a closed position where the through hole is closed by the cover plate, wherein the cover plate defines a positioning hole and a snapping groove therein;
a first support disposed at a bottom wall of the through hole;
a positioning column defining a first end disposed on the first support and a second end which is a free end and is fitted within the positioning hole, the cover plate being rotatable relative to the second end of the positioning column;
a second support and a third support disposed at the bottom wall of the through hole and spaced apart from each other; and
a positioning pin defining a first end disposed on the second support and a second end disposed on the third support, and snap-fitted within the snapping groove, the cover plate being rotatable relative to the positioning pin.

US Pat. No. 10,015,846

SEMICONDUCTOR MICROWAVE OVEN AND MICROWAVE FEEDING STRUCTURE THEREOF

Guangdong Midea Kitchen A...

1. A microwave feeding structure for a semiconductor microwave oven, comprising:a chamber body having a door;
a semiconductor power source configured to generate a microwave; and
a microwave feeding assembly connected between the semiconductor power source and the chamber body, and configured to feed the microwave generated by the semiconductor power source into the chamber body and to convert a first microwave mode of TE11 output by the semiconductor power source into a second microwave mode of TE10 adaptive to microwave heating, and
a rectangular wave guide connected with the chamber body,
wherein the microwave feeding assembly is connected between the semiconductor power source and the rectangular wave guide, and includes;
a mounting tube;
a ceramic ring having a first end connected with the mounting tube and a second end;
a tube case connected with the second end of the ceramic ring; and
an antenna defining a first end connected with the semiconductor power source and a second end extended through the tube case, the ceramic ring and the mounting tube sequentially into the rectangular wave guide.

US Pat. No. 10,257,891

MICROWAVE OVEN

GUANGDONG MIDEA KITCHEN A...

1. A microwave oven comprising:a housing having a receiving chamber therein, a left air inlet and a right air inlet being provided at a bottom portion of the housing and an air outlet being provided in the housing;
an inner case provided in said receiving chamber, a left air channel being formed between a left side wall of said receiving chamber and a left side of said inner case and being in communication with said left air inlet and said air outlet of the housing, a right air channel being formed between a right side wall of said receiving chamber and a right side of said inner case and being in communication with said right air inlet and said air outlet of the housing; and
a left fan and a right fan, said left fan being provided in the left air channel and said right fan being provided in the right air channel, the left fan and the right fan each including a front impeller, a rear impeller and a driving motor, wherein at least one of the front impeller and the rear impeller is adjacent to at least one of a front wall and a rear wall of said receiving chamber which is corresponding thereto, said at least one of the front impeller and the rear impeller is spaced from the driving motor at a predetermined distance,
wherein the left fan is configured so that air entering from the left air inlet passes over the driving motor of the left fan, and the right fan is configured so that air entering from the right air inlet passes over the driving motor of the right fan.

US Pat. No. 9,895,046

DISHWASHER RACK LIFT SYSTEM

Midea Group Co., Ltd., B...

1. A dish washing appliance comprising:
a dishwasher tub defining a wash cavity;
one or more dishwasher racks positioned within the wash cavity of the dishwasher tub, at least one of the dishwasher racks
is moveable between a stowed position and a deployed position, wherein the deployed position is different from the stowed
position;

at least one threaded member;
one or more slides coupling the at least one dishwasher r rack to the at least one threaded member;
at least one motor;
at least one worm screw located within the wash cavity and operably coupled to the at least one motor;
the at least one threaded member and the at least one dishwasher rack connected to the at least one worm screw, wherein the
at least one threaded member, the one or more slides, and the at least one dishwasher rack is positionable between a first
height and a second height along a length of the at least one worm screw when the at least one dishwasher rack is in the deployed
position, wherein the second height is at a higher vertical elevation than the first height; and

wherein the at least one threaded member and the at least one worn screw are positioned adjacent a rear wall of the dishwasher
tub.

US Pat. No. 9,867,492

WATER DISPENSER HAVING BEVERAGE-MAKING FUNCTION

MIDEA GROUP CO., LTD., F...

1. A water dispenser having beverage-making function, comprising:
a body defining a beverage making cavity with an open side therein;
a beverage making assembly disposed in the beverage making cavity and including a beverage container for accommodating a beverage
capsule, the beverage container having a first penetration member for penetrating a bottom of the beverage capsule;

a water injection mechanism for supplying water to the beverage capsule and having a second penetration member for penetrating
a top of the beverage capsule; and

a sleeve disposed at a bottom of the beverage container for receiving beverage flowing out of the beverage container, and
having a beverage outlet formed in a bottom thereof.

US Pat. No. 9,879,893

AIR CONDITIONING SYSTEM, METHOD FOR CONTROLLING AIR CONDITIONING SYSTEM, AND OUTDOOR APPARATUS OF AIR CONDITIONING SYSTEM

Midea Group Co., Ltd., F...

1. An air condition system, comprising:
an indoor apparatus; and
an outdoor apparatus comprising
a variable-frequency compressor;
a controller configured to perform a variable-frequency control on the variable-frequency compressor according to operation
parameters of the variable-frequency compressor for a heating operation or a refrigerating operation and independent from
the indoor apparatus;

a communicator configured to receive an on-off instruction and a mode option instruction sent from a remote, a line controller
or the indoor apparatus of the air condition system;

a first pressure sensor disposed at an inlet of the variable-frequency compressor and configured to generate a first pressure
detecting signal, when a working mode of the air condition system is a refrigerating mode; and

a second pressure sensor disposed at an outlet of the variable-frequency compressor and configured to generate a second pressure
detecting signal, when the working mode is a heating mode,

wherein the controller is configured to generate a current refrigerant saturation temperature by selecting one of the first
pressure detecting signal and the second pressure detecting signal according to the working mode, to obtain a target refrigerant
saturation temperature, to perform the variable-frequency control on the variable-frequency compressor according to the target
refrigerant saturation temperature and the current refrigerant saturation temperature, and to adjust the target refrigerant
saturation temperature according to the operation parameters of the variable-frequency compressor during the variable-frequency
control,

wherein the operation parameters of the variable-frequency compressor comprise a working time of the variable-frequency compressor
and a stop-start number of time of the variable-frequency compressor in a first predetermined period,

when the working time of the variable-frequency compressor is larger than or equal to a first time threshold and the stop-start
number of time of the variable-frequency compressor in the first predetermined period is larger than or equal to a first predetermined
number of time threshold, the controller adjusts the target refrigerant saturation temperature according to a predetermined
step length.

US Pat. No. 9,872,582

ELECTRIC PRESSURE COOKER

Midea Group Co., Ltd., F...

1. An electric pressure cooker, comprising:
a cooker body, wherein the cooker body comprises:
a housing;
an outer container disposed in the housing such that a cavity is defined between the outer container and the housing; and
a cap fitted over upper portions of the outer container and the housing and closing the cavity;
a cooker cover having a closing state in which the cooker body is covered by the cooker cover and an opening state in which
the cooker cover is removed from the cooker body, wherein the cooker cover is rotatable with respect to the cooker body between
a sealing position and an unsealing position in the closing state; and

a micro-switch assembly disposed on the cooker body and adapted to switch between an OFF state in which the micro-switch assembly
controls the electric pressure cooker not to cook and an ON state in which the micro-switch assembly controls the electric
pressure cooker to cook, wherein when the cooker cover is in the closing state and at the unsealing position, the cooker cover
actuates the micro-switch assembly to switch to the OFF state, and wherein the micro-switch assembly is in the ON state when
the cooker cover is in the opening state or at the sealing position;

wherein the micro-switch assembly comprises:
a push rod movable in an up-down direction between a first position at which the micro-switch assembly is in the ON state
and a second position at which the micro-switch assembly is in the OFF state, wherein the cooker cover actuates the push rod
to the second position when the cooker cover is in the closing state and at the unsealing position;

a front housing having a second mounting hole within which the push rod is movably disposed in the up-down direction;
a rear housing coupled with the front housing;
a fixed support disposed on the front housing; and
a movable support movably coupled with the fixed support in the up-down direction;
wherein the micro-switch assembly is disposed in the cavity and the push rod extends upwardly out of the cap.

US Pat. No. 9,780,555

AIR CONDITIONER AND COMPRESSOR PROTECTION CIRCUIT THEREOF

MIDEA GROUP CO., LTD., F...

1. A compressor protection circuit, comprising: a current sampling module, a reference voltage generating module, a voltage
comparison module, and an intelligent power module, the current sampling module sampling a phase current of the compressor
and outputting a corresponding sampling voltage signal to a first input end of the voltage comparison module, the reference
voltage generating module outputting a reference voltage signal to a second input end of the voltage comparison module, the
voltage comparison module comparing the sampling voltage signal with the reference voltage signal; the intelligent power module
controlling a working condition of the compressor according to a driving signal outputted by a signal processing circuit,
when the intelligent power module shutting off the output, the intelligent power module outputting a fault protecting signal
simultaneously, so that the signal processing circuit stopping outputting the driving signal; the compressor protection circuit
further comprising a signal latching module;
an output end of the voltage comparison module being connected with an input end of the signal latching module, an output
end of the signal latching module being connected with a testing port for protecting trigger voltage of the intelligent power
module, a latching-controlling end of the signal latching module being connected with the signal processing circuit; when
the sampling voltage signal being higher than the reference voltage signal, the voltage comparison module outputting an overcurrent
level signal to the signal latching module, the signal latching module latching and outputting the overcurrent level signal
to the intelligent power module continuously according to the overcurrent level signal, so that the intelligent power module
shutting off the output of a phase current; when the signal processing circuit outputting a latching cancel signal to the
signal latching module, the signal latching module outputting a conventional level signal to the intelligent power module
according to the latching cancel signal, the intelligent power module driving the compressor to operate according to the conventional
level signal and a driving signal outputted by the signal processing circuit.

US Pat. No. 10,036,561

INDOOR UNIT FOR AIR CONDITIONER

GD MIDEA AIR-CONDITIONING...

1. An indoor unit for an air conditioner, comprising:a housing comprising an upper base plate provided with an air inlet, a lower base plate detachably mounted to the upper base plate and provided with an air outlet, and a front cover detachably mounted to the upper base plate;
a fan detachably mounted to the lower base plate; and
a heat exchanger detachably mounted to the upper base plate and having a supporting seat and a heat exchanger core body mounted to the supporting seat,
wherein the upper base plate is provided with a first positioning portion, the supporting seat is provided with a second positioning portion, and the first positioning portion is configured to be fitted with the second positioning portion to position the heat exchanger core body to the upper base plate,
wherein a plurality of bent pipe structures are provided at an end of the heat exchanger core body, one end of the heat exchanger core body is mounted to the supporting seat, the supporting seat is provided with a plurality of mounting holes corresponding to the plurality of bent pipe structures, at least one of the plurality of mounting holes is a positioning mounting hole, an elastic cantilever is provided in the positioning mounting hole, and is configured to avoid the bent pipe structure when mounting the heat exchanger core body and configured to be restored to position a corresponding bent pipe structure after the heat exchanger core body is mounted in place.

US Pat. No. 9,933,168

AIR SUPPLY APPARATUS USED FOR AIR CONDITIONER AND AIR CONDITIONER INDOOR UNIT HAVING THE SAME

Midea Group Co., Ltd., F...

1. An air conditioner indoor unit, comprising:a housing having an air outlet channel;
an air supply apparatus used for an air conditioner comprising:
an annular outer frame having an outer surface formed as a partial spherical surface and having an accommodating space therein,
an impeller assembly provided in the accommodating space and pivotally connected to the outer frame, wherein the impeller assembly has an air suction side and an air outlet side,
a central part disposed in the accommodating space and coaxially provided with the outer frame, and
a plurality of air guide blades arranged along a circumferential direction in the accommodating space, and an outer end of each air guide blade being connected to an inner surface of the outer frame and an inner end of each air guide blade being connected to an outer surface of the central part,
wherein the impeller assembly comprises: an impeller; an electric motor driving the impeller, the electric motor being installed in the central part, an output shaft of the electric motor being connected to the impeller through the central part;
wherein the air supply apparatus is disposed in the air outlet channel and rotatable related to the housing; and
an evaporator disposed in the housing and located at the air suction side of the impeller assembly of the air supply apparatus,
wherein the air outlet channel has an air outlet, an annular wall is provided at the air outlet, an inner surface of the annular wall is formed as a partial spherical surface, and the outer frame of the air supply apparatus is connected to the annular wall in a pivotal manner by a rotation apparatus, and wherein the air supply apparatus is rotatable along at least one axis of the air outlet,
wherein the rotation apparatus comprises: a first rotation mechanism connected to the annular wall in a movable manner; and a first driving mechanism driving the first rotation mechanism to rotate about a first axis,
wherein the first rotation mechanism comprises: a first shaft piece and a second shaft piece, the first shaft piece and the second shaft piece being disposed between the outer frame and the annular wall and provided on two opposite sides of the outer frame, respectively, the first shaft piece and the second shaft piece being connected to the outer frame and to the annular wall in a movable manner respectively, the first shaft piece and the second shaft piece having a co-axis with the first axis, wherein the first driving mechanism drives at least one of the first shaft piece and the second shaft piece to rotate,
wherein the first driving mechanism comprises: a first driving electric motor, an output shaft of the first driving electric motor being provided with a first gear; a first gear pair, the first gear pair being formed as a sector, a first end of the first gear pair having a first tooth engaged with the first gear and a second end being fixed on the first shaft piece,
wherein the rotation apparatus further comprises a mounting bracket, the mounting bracket comprising a first mounting arm fixed to the outer frame, wherein the first shaft piece and the second shaft piece are connected to both ends of the first mounting arm respectively.

US Pat. No. 10,028,638

APPLIANCE WITH A RETRACTABLE AND SLIDABLE DOOR

Midea Group Co., Ltd., B...

1. An appliance, comprising:a housing with an aperture extending along a plane and providing access to an interior compartment of the appliance; and
a door slidable and retractable between at least a closed position to an open position;
wherein the door includes at least three panels configured in an iris arrangement;
wherein at least a portion of the door is configured to move substantially parallel to the plane of the aperture and across the aperture when actuating between the closed position and the open position;
wherein the door closes the aperture in the closed position; and
wherein the door provides access to the interior compartment and is retracted into the housing in the open position.

US Pat. No. 9,797,642

SYSTEM AND METHOD FOR CONTROLLING AN AIR CONDITIONING SYSTEM AND AN OUTDOOR APPARATUS OF THE SYSTEM

Midea Group Co., Ltd., F...

1. A method for controlling an air conditioning system, comprising:
obtaining a working mode of the air conditioning system and starting a variable-frequency compressor in an outdoor apparatus
of the air conditioning system according to the working mode;

obtaining a target refrigerant saturation temperature;
performing a variable-frequency control on the variable-frequency compressor according to the target refrigerant saturation
temperature;

during the variable-frequency control, obtaining a working time of the variable-frequency compressor and a stop-start number
of time of the variable-frequency compressor in a first predetermined period; and

adjusting the target refrigerant saturation temperature according to the working time of the variable-frequency compressor
and the stop-start number of time of the variable-frequency compressor in the first predetermined time.

US Pat. No. 10,101,054

VARIABLE REFRIGERANT FLOW AIR CONDITIONING SYSTEM WITH DUAL CONTROL OVER TEMPERATURE AND HUMIDITY AND CONTROL METHOD THEREOF

MIDEA GROUP CO., LTD., F...

1. A variable refrigerant flow (VRF) air conditioning system with dual control over temperature and humidity, comprising:an outdoor machine having a first connector and a second connector;
a controller; and
a plurality of indoor machines, each comprising:
an indoor throttle valve having a first end connected with the first connector;
a first solenoid valve having a first end connected with a second end of the indoor throttle valve;
a first heat exchanger and a second heat exchanger, wherein a first end of the first heat exchanger is connected with a first end of the second heat exchanger, and a first node is provided between the first end of the first heat exchanger and the first end of the second heat exchanger and is connected with a second end of the first solenoid valve;
a second solenoid valve having a first end connected with the first end of the first solenoid valve and the second end of the indoor throttle valve respectively, and a second end connected with a second end of the second heat exchanger, wherein a second node is provided between the second end of the second solenoid valve and the second end of the second heat exchanger;
a third solenoid valve having a first end connected with the second node, and a second end connected with a second end of the first heat exchanger and the second connector respectively;
a temperature detector configured to detect an indoor environment temperature; and
a humidity detector configured to detect indoor environment relative humidity;
wherein the controller is connected with the indoor throttle valve, the first solenoid valve, the second solenoid valve, the third solenoid valve, the temperature detector and the humidity detector of each indoor machine respectively, and is configured to control the VRF air conditioning system through control over the indoor throttle valve, the first solenoid valve, the second solenoid valve and the third solenoid valve of each indoor machine.

US Pat. No. 10,159,398

DISHWASHER RACK SYSTEM

Midea Group Co., Ltd., B...

1. A dish washing appliance comprising:a dishwasher tub;
at least one dishwasher rack positioned within the dishwasher tub, the at least one dishwasher rack positionable between a stowed position and a deployed position along a horizontal plane, wherein the deployed position is different from the stowed position;
at least one motor;
a gear mechanism connecting the at least one motor to the at least one dishwasher rack;
the at least one dishwasher rack is operable between the stowed position and the deployed position in at least one of an automatic configuration and a manual configuration;
when in the automatic configuration the at least one motor applies a first force to the at least one dishwasher rack between the deployed position and the stowed position; and
when in the manual configuration the at least one motor applies a second force in addition to a user applied force to the at least one dishwasher rack between the deployed position and the stowed position, wherein the second force is less than the first force and greater than zero.

US Pat. No. 10,126,029

VARIABLE REFRIGERANT FLOW AIR CONDITIONING SYSTEM AND METHOD FOR CONTROLLING ELECTRONIC EXPANSION VALVE THEREOF

MIDEA GROUP CO., LTD., F...

1. A method for controlling an electronic expansion valve of a variable refrigerant flow (VRF) air conditioning system, wherein, the VRF air conditioning system comprises: an outdoor machine, a plurality of indoor machines and a flow distributing device, the flow distributing device comprises: a first heat exchanger, a second heat exchanger and a first electronic expansion valve, wherein the first electronic expansion valve is connected between an outlet of a first heat exchange flow path of the second heat exchanger and an inlet of a second heat exchange flow path of the second heat exchanger, and the method comprises steps as follows:when the VRF air conditioning system operates in a primary heating mode, obtaining a degree of superheat of return air of a compressor, and performing a control on an opening degree of the first electronic expansion valve according to the degree of superheat of return air;
judging the degree of superheat of return air and an opening degree of an electronic expansion valve of each refrigerating indoor machine in the plurality of indoor machines; and
if the degree of superheat of return air is greater than a first preset degree of superheat and an opening degree of an electronic expansion valve in any refrigerating indoor machine reaches a maximum opening degree, obtaining a target medium pressure value by calculating a refrigerant volume of the refrigerating indoor machine with the electronic expansion valve reaching the maximum opening degree, and performing a medium pressure control on the first electronic expansion valve according to the target medium pressure value.

US Pat. No. 10,161,074

LAUNDRY WASHING MACHINE WITH AUTOMATIC DETERGENT DISPENSING AND/OR RINSE OPERATION TYPE SELECTION

Midea Group Co., Ltd., B...

1. A laundry washing machine, comprising:a wash tub disposed within a housing;
a detergent dispenser configured to dispense detergent for washing a load disposed in the wash tub;
a weight sensor operatively coupled to the wash tub to sense a weight associated with the wash tub;
a fluid level sensor configured to sense a fluid level in the wash tub;
a fluid property sensor configured to sense turbidity and/or conductivity of fluid from the wash tub; and
a controller coupled to the detergent dispenser and the weight, fluid level, and fluid property sensors, the controller configured to dynamically select a load type from among a plurality of load types prior to agitating the load based at least upon a weight value sensed by the weight sensor and a fluid level value sensed by the fluid level sensor, and to control a wash cycle at least based upon the selected load type and a fluid property value sensed by the fluid property sensor, wherein the controller is configured to control the wash cycle at least by controlling an amount of detergent dispensed by the detergent dispenser based at least in part upon the fluid property value.

US Pat. No. 10,161,075

LAUNDRY WASHING MACHINE WITH AUTOMATIC DETECTION OF DETERGENT DEFICIT

Midea Group Co., Ltd., B...

1. A laundry washing machine, comprising:a wash tub disposed within a housing;
a detergent dispenser configured to dispense detergent for washing a load disposed in the wash tub;
a fluid property sensor configured to sense turbidity and/or conductivity of fluid from the wash tub; and
a controller coupled to the detergent dispenser and the fluid property sensor, the controller configured to initiate a fill phase of a wash cycle to dispense water into the wash tub subsequent to a manual addition of detergent by a user to form a wash fluid, determine a detergent deficit in the wash fluid based upon a fluid property value sensed by the fluid property sensor, and cause the detergent dispenser to automatically dispense additional detergent in response to determining the detergent deficit;
wherein the controller is configured to determine the detergent deficit by:
determining a total amount of detergent to dispense;
determining an amount of detergent manually added by the user and sensed by the fluid property sensor; and
determining an amount of additional detergent to dispense based upon the determined total amount of detergent to dispense and the determined amount of detergent manually added by the user; and
wherein the controller is configured to cause the detergent dispenser to automatically dispense the additional detergent in response to determining the detergent deficit by causing the detergent dispenser to automatically dispense the determined amount of additional detergent.

US Pat. No. 10,141,848

INTERLEAVED POWER FACTOR CORRECTOR

MIDEA GROUP CO., LTD., F...

1. An interleaved power factor corrector, comprising:a first power factor correction (PFC) component comprising a first energy storage inductor, a first switch component and a first fast recovery diode;
a second PFC component, parallel to the first PFC component and comprising a second energy storage inductor, a second switch component and a second fast recovery diode, wherein the second switch component is connected to the first switch component and a first node is between the second switch component and the first switch component;
a current sampling resistor, wherein a first terminal of the current sampling resistor is connected to the first node and a second terminal of the current sampling resistor is grounded;
a current detection component, connected to the first node and configured to detect a current I1 flowing through the first switch component, to detect a current I2 flowing through the second switch component and to detect a current lin flowing through the first switch component and the second switch component, each detection is based on a sampling signal generated by the current sampling resistor;
a voltage detection component, configured to detect a voltage U1 inputted into the interleaved power factor corrector and an output voltage U2 of the interleaved power factor corrector; and
a control component, connected to the current detection component, the voltage detection component, a control terminal of the first switch component and a control terminal of the second switch component respectively and configured to generate a first pulse-width modulation (PWM) control signal for controlling the first switch component and a second PWM control signal for controlling the second switch component based on the current I1, the current I2, the current lin, the voltage U1, the voltage U2 and a preset target output voltage, wherein the first PWM control signal is different from the second PWM control signal by a half of a carrier period;
wherein the control component further comprises:
a PFC control unit, configured to generate a first duty ratio signal in each carrier cycle based on the current lin, the voltage U1, the voltage U2, and the preset target output voltage;
a duty ratio adjustment unit, configured to calculate a duty ratio adjustment value based on the current I1 and the current I2;
a first calculating unit, configured to calculate a duty ratio signal of the first switch component based on the first duty ratio signal and the duty ratio adjustment value;
a second calculating unit, configured to calculate a duty ratio signal of the second switch component based on the first duty ratio signal and the duty ratio adjustment value;
a first saw-tooth wave generating unit, configured to output a first saw-tooth wave signal;
a second saw-tooth wave generating unit, configured to output a second saw-tooth wave signal;
a first PWM control signal generating unit, configured to generate the first PWM control signal based on the duty ratio signal of the first switch component and the first saw-tooth wave signal; and
a second PWM control signal generating unit, configured to generate the second PWM control signal based on the duty ratio signal of the second switch component and the second saw-tooth signal.

US Pat. No. 10,132,417

SIX-WAY DIRECTIONAL VALVE

MIDEA GROUP CO., LTD., F...

1. A six-way directional valve comprising:a valve body, defining a valve cavity therein and provided with a first connecting pipe, a second connecting pipe, a third connecting pipe, a fourth connecting pipe, a fifth connecting pipe and a sixth connecting pipe;
a valve spool, movably disposed in the valve cavity, wherein two valve chambers are defined between two moving ends of the valve spool and an inner circumferential wall of the valve cavity, so that the valve spool is driven to move by a pressure difference between the two valve chambers, a first chamber and a second chamber are defined between the valve spool and a same side wall of the valve cavity, a third chamber is defined between the valve spool and the inner circumferential wall of the valve cavity, the first connecting pipe is normally communicated with the third chamber, the third connecting pipe is normally communicated with the first chamber, the fifth connecting pipe is normally communicated with the second chamber, the valve spool moves so that one of the second connecting pipe and the sixth connecting pipe is communicated with the third chamber, the first chamber is communicated with the second connecting pipe or the fourth connecting pipe, and the second chamber is communicated with the fourth connecting pipe or the sixth connecting pipe; and
a pilot valve assembly, connected with the two valve chambers so as to switch pressures in the two valve chambers, and connected with the first connecting pipe and the fourth connecting pipe,
wherein the valve spool comprises:
two barrier blocks spaced apart from each other, the two valve chambers being defined between the two barrier blocks and the inner circumferential wall of the valve cavity; and
a sliding block, disposed between the two barrier blocks and connected to the two barrier blocks through two connecting rods, the sliding block being slidable with respect to the same side wall of the valve cavity, the first chamber and the second chamber being defined between the sliding block and the same side wall of the valve cavity, and the third chamber being defined between the sliding block, the two connecting rods, the two barrier blocks and the inner circumferential wall of the valve cavity,
the two barrier blocks, the sliding block and the two connecting rods are configured as an integrally formed member.

US Pat. No. 10,105,032

APPLIANCE WITH A RETRACTABLE AND SLIDABLE DOOR

Midea Group Co., Ltd., B...

1. An appliance, comprising:a housing with an aperture extending along a plane and providing access to an interior compartment of the appliance; and
a door slidable and retractable between at least a closed position to an open position;
wherein the door includes at least three panels configured in an iris arrangement;
wherein at least a portion of the door is configured to move substantially parallel to the plane of the aperture and across the aperture when actuating between the closed position and the open position;
wherein the door closes the aperture in the closed position; and
wherein the door provides access to the interior compartment and is retracted into the housing in the open position.

US Pat. No. 10,257,889

HIGH-FREQUENCY HEATING DEVICE AND METHOD AND APPARATUS FOR CONTROLLING POWER SUPPLY OF THE SAME

MIDEA GROUP CO., LTD., F...

1. A method for controlling a power supply of a high-frequency heating device, comprising:controlling a switching element of the high-frequency heating device to operate according to a control signal with a preset duty ratio;
detecting a real-time current flowing through the switching element; and
if the real-time current is greater than or equal to a preset current reference value, controlling the switching element to turn off, and controlling the switching element to turn on when a next turn-on window of the control signal comes and the real-time current is less than the preset current reference value;
if the real-time current is less than the preset current reference value, keeping the switching element turning on, controlling the switching element to turn off when a present turn-on window of the control signal ends, and controlling the switching element to turn on when the next turn-on window of the control signal comes and the real-time current is less than the preset current reference value.

US Pat. No. 10,197,320

METHOD AND APPARATUS FOR ADJUSTING OPERATING FREQUENCY OF INVERTER COMPRESSOR

MIDEA GROUP CO., LTD., F...

1. A method for adjusting an operating frequency of an inverter compressor, comprising:detecting whether an inverter air conditioner comprising the inverter compressor is in a heating mode;
obtaining a target operating current of the inverter compressor if the inverter air conditioner is in the heating mode;
adjusting the operating frequency of the inverter compressor according to the target operating current;
determining whether to adjust the target operating current based on an operating condition of the inverter compressor, and obtaining a maximum operating frequency of the inverter compressor in response to determining to adjust the target operating current;
obtaining a current correction according to the maximum operating frequency and correcting the target operating current according to the current correction to update the target operating current.

US Pat. No. 10,240,387

MODULAR FRAME FOR AN APPLIANCE STRUCTURE

Midea Group Co., Ltd., B...

1. A cooking appliance with an adjustable front frame comprising:an adjustable front frame structure having an upper front frame section, a lower front frame section, a first vertical front frame section, and a second vertical front frame section;
a cooking compartment having a cooking compartment opening defined by a top wall, bottom wall, and opposing side walls, and wherein the cooking compartment adjacent the cooking compartment opening is supported by the adjustable front frame structure;
wherein the upper front frame section includes an inverted U-shape, wherein the upper front frame section includes a first end and an opposing second end;
wherein the lower front frame section includes a U-shape, wherein the lower front frame section includes a first end and an opposing second end;
wherein each of the first vertical front frame section and the second vertical front frame section includes a first end an a second end, wherein each of the first vertical front frame section and the second vertical front frame section includes a first length, wherein the first end of the first vertical front frame section engages the first end of the upper front frame section and the second end of the first vertical front frame section engages the first end of the lower front frame section and wherein the first end of the second vertical front frame section engages the second end of the upper front frame section and the second end of the second vertical front frame section engages the second end of the lower front frame section; and
wherein the first length of the first vertical front frame section and the second vertical front frame section defines a desired vertical distance between the upper front frame section and the lower front frame section.

US Pat. No. 10,231,565

ELECTRIC PRESSURE COOKER

Foshan Shunde Midea Elect...

1. An electric pressure cooker, comprising:a cooker body, wherein the cooker body is provided with a magnetic sensitive switch and a magnetic member, and the magnetic member can move between a first position and a second position relative to the magnetic sensitive switch so that a control circuit of the electric pressure cooker can be powered on or powered off; and
a cooker cover, which is arranged on the cooker body and can rotate relative to the cooker body so that the magnetic member can move between the first position and the second position,
wherein the cooker body comprises:
a housing;
an inner cooker, wherein the inner cooker is arranged in the housing, an accommodating cavity is defined between the housing and the inner cooker, and the magnetic sensitive switch is arranged in the accommodating cavity; and
a housing cover, sleeved outside the inner cooker and closing the accommodating cavity,
wherein the electric pressure cooker further comprises a mounting member, wherein the magnetic member is arranged on the mounting member, the mounting member can move up and down relative to the housing cover, and an upper end of the mounting member penetrates through the housing cover so as to match in contact with the cooker cover,
a guide post which extends downwards is arranged on the lower surface of the housing cover,
the mounting member comprises:
a body, wherein the body is provided with a positioning hole matched with the guide post, and the magnetic member is arranged in the body; and
a push rod, wherein the push rod is arranged on the body and the upper end of the push rod penetrates through the housing cover and extends upwards, and
wherein the electric pressure cooker further comprises an elastic member of which the lower end is positioned on the guide post and the upper end presses against the body.

US Pat. No. 10,292,529

SLOW COOKER AND LOCKING ASSEMBLY

MIDEA GROUP CO., LTD., F...

1. A slow cooker comprising a liner container, a lid and a locking assembly, the locking assembly retaining the lid on an opening of the liner container, whereinthe liner container has a rim projecting outside at the opening,
the locking assembly comprises a connector disposed on the lid for engaging the lid with the opening of the liner container, and locking end components provided at ends of the connector for engaging the rim of the liner container,
each of the locking end components comprises an unlocking button connected with the connector by first pin and a lock connected with the connector by a second pin, wherein
an elastic support sheet or torsion spring is disposed under the unlocking button for retaining the unlocking button in a locking state, and a torsion spring is disposed under the lock for retaining the lock in an unlocking state,
the lock has a free upper end and a lower end, wherein the lower end is provided with a lock position for engaging the rim of the liner container, and
the unlocking button has a front support block and a free rear end, wherein the front support block supports the free upper end of the lock, and
the locking assembly has an elongated, a Y shape or an H shape.

US Pat. No. 10,253,992

MULTI-SPLIT AIR-CONDITIONER AND OUTDOOR UNIT SYSTEM THEREOF

MIDEA GROUP CO., LTD., F...

1. An outdoor unit system of a multi-split air-conditioner, comprising:a compressor having a gas outlet and a gas inlet;
an outdoor heat exchanger having an inlet and an outlet;
a switching assembly having first to sixth ports, wherein the first port is connected with the gas outlet of the compressor, the second port is connected with the gas inlet of the compressor, the third port is connected with the inlet of the outdoor heat exchanger, the fourth port is connected with the outlet of the outdoor heat exchanger, the fifth port is connected with an inlet pipe and the sixth port is connected with an outlet pipe,
wherein the switching assembly comprises a first four-way valve and a second four-way valve, the first four-way valve has first to fourth valve ports, the second four-way valve has fifth to eighth valve ports, the fourth valve port is connected with the eighth valve port, the first to third valve ports and the fifth to seventh valve ports are configured as the first to sixth ports correspondingly.

US Pat. No. 10,254,377

REFRIGERATOR AND POSITIONING DEVICE THEREOF

HEFEI MIDEA INTELLIGENT T...

1. A positioning device for a refrigerator, comprising:a wave absorbing component disposed in the refrigerator and configured to absorb a radio frequency RF signal emitted from an RF tag in the refrigerator;
a plurality of reading components disposed in the refrigerator and configured to receive an RF signal passing through the wave absorbing component;
an intensity detecting module configured to detect an intensity of the RF signal received by each of the plurality of reading components; and
a positioning module configured to determine a location of the RF tag according to the intensity of the RF signal received by each of the plurality of reading components.

US Pat. No. 10,309,384

PISTON COMPRESSOR AND REFRIGERATION SYSTEM HAVING THE SAME

ANHUI MEIZHI COMPRESSOR C...

1. A piston compressor, comprising:a crankcase formed with a crankshaft hole therein and provided with a mounting protrusion at an upper end thereof, wherein the crankshaft hole runs upward through the mounting protrusion;
a thrust bearing fitted over the mounting protrusion;
a crankshaft rotatably disposed within the crankshaft hole, having a thrust part, and formed with an oil supply passage therein, wherein a lower end face of the thrust part is abutted against an upper end face of the thrust bearing,
wherein a cavity is defined by the mounting protrusion, the thrust bearing, and the thrust part, and a through hole is formed in a peripheral wall of the crankshaft for communicating the oil supply passage with the cavity.

US Pat. No. 10,309,657

COOKING GRATE WITH INTEGRATED VENTING

MIDEA GROUP CO., LTD., B...

1. A cooking appliance comprising:a housing having a cooktop surface defining at least one air channel therethrough, wherein said at least one air channel includes one or more exit openings through said cooktop surface;
at least one gas burner positioned in said cooktop surface;
at least one cooking grate having a cooking surface and a venting surface and combined as a unitary structure, wherein both said cooking surface and said venting surface of said at least one cooking grate is disposed over said cooktop surface of said housing, said venting surface permitting air to exit from said one or more exit openings of said cooktop surface through said at least one air channel of said housing, wherein said cooking surface is adjacent said at least one gas burner and said venting surface has one or more openings therethrough to fluidly communicate with said at least one air channel; and
wherein said venting surface includes an outer peripheral skirt spaced upwardly from said cooktop surface and surrounding a plurality of vanes defining said one or more openings therethrough, wherein said outer peripheral skirt is continuous and surrounds said one or more exit openings of said at least one air channel to define a downstream passageway in fluid communication from said one or more exit openings of said at least one air channel to said one or more openings through said venting surface and wherein said at least one air channel exhausts airflow from inside said housing though said one or more openings of said venting surface.

US Pat. No. 10,309,675

DEFROSTING METHOD FOR AIR CONDITIONER AND DEFROSTING DEVICE FOR AIR CONDITIONER

MIDEA GROUP CO., LTD., F...

1. A defrosting method for an air conditioner, wherein the air conditioner comprises a compressor and a four-way valve, and the method comprises:acquiring outdoor temperature and outdoor humidity in response to determining that the air conditioner enters a defrosting mode;
judging whether the outdoor temperature is lower than a preset temperature and the outdoor humidity is higher than a preset humidity; and controlling an outdoor fan to rotate reversely according to tube temperature of an outdoor heat exchanger and a period when the air conditioner operates in the defrosting mode, so as to defrost a protecting housing surrounding the outdoor heat exchanger, in response to judging that the outdoor temperature is lower than the preset temperature and the outdoor humidity is higher than the preset humidity;
wherein controlling the outdoor fan to rotate reversely according to the tube temperature of the outdoor heat exchanger and the period when the air conditioner operates in the defrosting mode comprises:
controlling the outdoor fan to rotate reversely in response to determining that the tube temperature is higher than a difference between preset temperature for exiting from the defrosting mode and a first temperature threshold; or
controlling the outdoor fan to rotate reversely in response to determining that the period when the air conditioner operates in the defrosting mode reaches a difference between a preset defrosting period and a first period threshold.

US Pat. No. 10,303,932

FACE RECOGNITION IN A RESIDENTIAL ENVIRONMENT

MIDEA GROUP CO., LTD., F...

1. In a residential environment comprising a plurality of home devices, a method for identifying an individual present in the residential environment, the method comprising:capturing a set of one or more images of an individual's head and face while the individual is present in the residential environment;
applying the image set as an input to a machine learning model that has been trained to identify the individual from among a group of different persons associated with the residential environment, wherein identifying the individual comprises calculating a similarity of the image set to reference images of heads and faces of the different persons and calculating the similarity comprises:
calculating distance metrics between the image set and the reference images, and
calculating a weighted combination based on the distance metrics; and
generating an operating instruction for one of the home devices based on the identity of the individual.

US Pat. No. 10,299,657

DISHWASHER RACK LIFT SYSTEM

Midea Group Co., Ltd., B...

1. A dish washing appliance comprising:a dishwasher tub defining a wash cavity;
one or more dishwasher racks positioned within the wash cavity of the dishwasher tub, at least one of the dishwasher racks is moveable between a stowed position and a deployed position, wherein the deployed position is different from the stowed position;
at least one threaded member;
one or more slides coupling the at least one dishwasher rack to the at least one threaded member, wherein a portion of the one or more slides extends between the stowed position and the deployed position with the at least one dishwasher rack;
at least one motor;
at least one worm screw located within the wash cavity and operably coupled to the at least one motor;
the at least one threaded member and the at least one dishwasher rack connected to the at least one worm screw, wherein the at least one threaded member is in a fixed rotational position when longitudinally threaded along a length of the at least one worm screw;
a rack support fixed to the at least one threaded member, wherein the rack support couples the one or more slides to the at least one threaded member;
wherein the at least one threaded member, the one or more slides, the rack support, and the at least one dishwasher rack is positionable between a first height and a second height along the length of the at least one worm screw when the at least one dishwasher rack is in the deployed position, wherein the second height is at a higher vertical elevation than the first height; and
wherein the at least one threaded member, the at least one worm screw, and the rack support are stowed within the dishwasher tub in both the first height and the second height of the at least one dishwasher rack when in the deployed position.

US Pat. No. 10,295,245

REFRIGERATION APPARATUS

HEFEI HUALING CO., LTD., ...

1. A refrigeration apparatus, comprising:a cabinet;
a door body provided to the cabinet;
a drawer detachably provided to the door body;
a first snap assembly configured to limit the door body at a first position where the door body is fixed to the cabinet;
a second snap assembly configured to limit the door body at a second position where the door body is fixed to the cabinet;
wherein the door body passing through the first position and the second position sequentially in a process of pulling the door body out of the cabinet, the drawer configured to be pulled out of the door body when the first snap assembly fails, and the door body configured to be separated from the cabinet when the second snap assembly fails.

US Pat. No. 10,288,328

OUTDOOR UNIT FOR VRF AIR CONDITIONING SYSTEM AND VRF AIR CONDITIONING SYSTEM HAVING SAME

MIDEA GROUP CO., LTD., F...

9. A Variable Refrigerant Flow (VRF) air conditioning system, comprising:an outdoor unit for the VRF air conditioning system, having a first stop valve and a second stop valve and comprising:
a compressor, having an exhaust port and gas return port;
a reversing assembly, having a first valve port, a second valve port, a third valve port and a fourth valve port, the first valve port being in communication with one of the second valve port and the third valve port, the fourth valve port being in communication with the other one of the second valve port and the third valve port, the first valve port being connected to the exhaust port, and the fourth valve port being connected to the gas return port;
an outdoor heat exchanger, comprising a header, a heat exchange portion, a plurality of flow-distribution capillary tubes and a flow distributor, the heat exchange portion comprising a plurality of heat exchange tubes, the header and first ends of the plurality of flow-distribution capillary tubes being connected to two ends of the heat exchange portion respectively, the flow distributor being connected to second ends of the plurality of flow-distribution capillary tubes, and the header being connected to the second valve port;
an electronic expansion valve, having a first end connected to the flow distributor;
a refrigerant flow path and an adjusting valve assembly, a first end of the refrigerant flow path being connected to the second valve port, a second end of the refrigerant flow path being connected to a second end of the electronic expansion valve, the adjusting valve assembly being connected to the refrigerant flow path in series to adjust a flow rate in the refrigerant flow path;
a reversing valve assembly, connected to the third valve port, the second end of the electronic expansion valve, the first stop valve and the second stop valve respectively, and configured to make the refrigerant flow out of the outdoor unit via the second stop valve, and make the refrigerant flow into the outdoor unit via the first stop valve.

US Pat. No. 10,273,622

LAUNDRY WASHING MACHINE WITH AUTOMATIC SELECTION OF LOAD TYPE

Midea Group Co., Ltd., B...

1. A laundry washing machine, comprising:a wash tub disposed within a housing;
a water inlet configured to dispense water into the wash tub;
a weight sensor operatively coupled to the wash tub to sense a weight associated with the wash tub;
a fluid level sensor configured to sense a fluid level in the wash tub; and
a controller coupled to the water inlet and the weight and fluid level sensors, the controller configured to initiate an initial fill phase of a wash cycle by controlling the water inlet to dispense water into the wash tub and to dynamically select a load type from among a plurality of load types during the initial fill phase of a wash cycle based upon weight and fluid level values sensed respectively by the weight and fluid level sensors after a selected amount of water has been dispensed by the water inlet, wherein the controller is configured to select the load type prior to agitating the load.

US Pat. No. 10,273,623

LAUNDRY WASHING MACHINE INCORPORATING DISTANCE SENSOR

Midea Group Co., Ltd., B...

1. A laundry washing machine, comprising:a wash tub disposed within a housing;
a water inlet configured to dispense water into the wash tub;
a distance sensor oriented to sense a distance within the wash tub; and
a controller coupled to the water inlet and the distance sensor, the controller configured to perform a wash cycle on a load disposed in the wash tub, the controller further configured to:
determine dry and wet distance values associated with the load using the distance sensor, the dry distance value associated with a height of the load in the wash tub prior to dispensing of water into the wash tub by the water inlet and the wet distance value associated with a height of the load in the wash tub after water is dispensed into the wash tub; and
dynamically configure one or more settings of the wash cycle based upon the determined dry and wet distance values, wherein the controller is configured to dynamically configure the one or more settings based upon the determined dry and wet distance values by selectively enabling out-of-balance checking during a spin phase of the wash cycle based upon the determined dry and wet distance values.

US Pat. No. 10,274,223

WATER-RECEIVING TRAY STRUCTURE FOR INDOOR UNIT OF AIR CONDITIONER, INDOOR UNIT AND AIR CONDITIONER

MIDEA GROUP CO., LTD., F...

1. A water-receiving tray structure for an indoor unit of an air conditioner, comprising:a water-receiving tray, an elevating member and a fixed member; and, wherein
the indoor unit having a casing with a first end defining a return-air inlet and a second end opposite to the first end and defining an air outlet, the water-receiving tray being arranged in a direction from the return-air inlet to the air outlet and being located below a heat exchanger of the indoor unit; and, wherein
the elevating member being arranged at the air outlet end of the indoor unit and supporting an air outlet side of the water-receiving tray such that the air outlet side of the water-receiver tray is higher than the return-air inlet side of the water-receiving tray; and
the fixed member being arranged in the indoor unit and being connected to the air outlet side of the indoor unit, wherein
the fixed member further comprises a buckle plate, the buckle plate is in the shape of an inverted L, an upper portion of the buckle plate is fixedly hooked to the air outlet side of the water-receiving tray and a lower end of the buckle plate is in contact with a fixed edge plate.

US Pat. No. 10,272,444

DUST COLLECTION ASSEMBLY, AIR PURIFICATION DEVICE AND AIR CONDITIONER

GD MIDEA AIR-CONDITIONING...

1. A dust collection assembly, comprising:a first annular ring having a first electrically connecting piece configured to be connected with one of a positive pole and a negative pole of a power source; and
a second annular ring spaced apart and insulated from the first annular ring and having a second electrically connecting piece configured to be connected with the other one of the positive pole and the negative pole of the power source;
wherein a shortest distance between the first annular ring and the second annular ring is larger than or equal to 2 mm,
wherein the first annular ring has a first outer ring and a plurality of first blades disposed in an inner surface of the first outer ring along a circumferential direction;
the second annular ring has a second outer ring and a plurality of second blades disposed in an inner surface of the second outer ring along a circumferential direction, the second annular ring is disposed below the first annular ring, and the plurality of second blades and the plurality of first blades are arranged to be staggered in the circumferential direction; and
wherein an external diameter of the first outer ring is smaller than or equal to an external diameter of the second outer ring.

US Pat. No. 10,266,982

LAUNDRY WASHING MACHINE WITH DYNAMIC DAMPING FORCE OPTIMIZATION

MIDEA GROUP CO., LTD., B...

1. A laundry washing machine, comprising:a wash tub disposed within a housing;
a suspension system supporting the wash tub within the housing and configured to damp forces generated during a force-generating operation during a wash cycle;
a suspension force sensor coupled to the suspension system and configured to sense a force applied to the suspension system during the force-generating operation;
an accelerometer configured to sense acceleration of the wash tub during the force-generating operation; and
a controller coupled to the suspension force sensor and the accelerometer and configured to dynamically calculate a damping capability of the suspension system using the force sensed by the suspension force sensor during the force-generating operation and the acceleration sensed by the accelerometer during the force-generating operation and control the force-generating operation to maintain damping in the suspension system within the dynamically calculated damping capability of the suspension system.

US Pat. No. 10,269,108

METHODS AND SYSTEMS FOR IMPROVED QUALITY INSPECTION OF PRODUCTS USING A ROBOT

MIDEA GROUP CO., LTD., F...

1. A robotic arm comprising:a plurality of segments;
a camera at an end of the robotic arm;
a plurality of rotatable joints, each rotatable joint connecting two segments of the plurality of segments or the camera with one segment of the plurality of segments;
one or more processors; and
memory storing one or more programs for execution by the one or more processors, the one or more programs including instructions for:
receiving a command to capture a first image of a surface of a product;
positioning, by actuating the plurality of rotatable joints, the camera at a first position that is substantially adjacent to the surface of the product;
capturing, via the camera, the first image of the surface of the product with the camera positioned at the first position; and
after capturing the first image:
processing the first image to identify a defect in the first image and a relative location of the defect in the first image;
determining a second position of the camera in accordance with the first position of the camera and the relative location of the defect in the first image;
repositioning, by actuating the plurality of rotatable joints, the camera from the first position to the second position, wherein the second position has a different spatial relationship to the surface of the product than the first position; and
capturing, via the camera, the second image of the surface of the product with the camera positioned at the second position.

US Pat. No. 10,260,785

OUTDOOR UNIT FOR HEAT RECOVERY VRF AIR CONDITIONING SYSTEM AND HEAT RECOVERY VRF AIR CONDITIONING SYSTEM

MIDEA GROUP CO., LTD., F...

1. An outdoor unit for a heat recovery variable refrigerant flow (VRF) air conditioning system, having a first connector and a second connector, and comprising:a compressor, having an exhaust port and a gas return port;
a reversing assembly, having a first valve port, a second valve port, a third valve port and a fourth valve port, the first valve port being connected to the exhaust port, the second valve port being connected to the gas return port, and the third valve port being connected to the first connector;
an outdoor heat exchanger, having a first end connected to the fourth valve port, and a second end connected to the second connector;
a plurality of one-way valves, wherein each one-way valve has a circulation end and a stop end, and each one-way valve is opened only in one direction from the circulation end to the stop end; the plurality of one-way valves comprise a first one-way valve, a second one-way valve, a third one-way valve, a fourth one-way valve, a fifth one-way valve and a sixth one-way valve;
the circulation end of the first one-way valve is connected to the fourth valve port, and the stop end of the first one-way valve is connected to the first end of the outdoor heat exchanger; the circulation end of the second one-way valve is connected to the first connector, and the stop end of the second one-way valve is connected to the third valve port; the circulation end of the third one-way valve is connected between the second one-way valve and the first connector, and the stop end of the third one-way valve is connected to the first end of the outdoor heat exchanger; the circulation end of the fourth one-way valve is connected to the second end of the outdoor heat exchanger, and the stop end of the fourth one-way valve is connected to the second connector; the circulation end of the fifth one-way valve is connected between the second one-way valve and the third valve port, and the stop end of the fifth one-way valve is connected between the fourth one-way valve and the second connector; the circulation end of the sixth one-way valve is connected between the fourth one-way valve and the outdoor heat exchanger, and the stop end of the sixth one-way valve is connected between the first one-way valve and the fourth valve port;
a throttling element, connected in series between the third one-way valve and the outdoor heat exchanger; and
a gas-liquid separator, comprising a second inlet and a gas outlet, the second inlet being connected to the second valve port, and the gas outlet being connected to the gas return port.

US Pat. No. 10,317,103

METHOD AND DEVICE FOR ADAPTIVELY REGULATING STATIC PRESSURE OF DUCTED AIR CONDITIONER AND DUCTED AIR CONDITIONER

MIDEA GROUP CO., LTD., F...

1. A method for adaptively regulating a static pressure of a ducted air conditioner, performed by a processor of the ducted air conditioner and comprising:S1, dividing the static pressure in an air duct into a preset number of sections i according to a preset rule, wherein each section i among the preset number of sections i corresponds to a static pressure range from Pi?1 to Pi and a gear corresponding to the section i, the gear corresponding to the section i corresponds to a rotating speed Ri of a fan and a normal current range of [Ii(P(i)),Ii(P(i?1))], wherein i ranges from 1 to N, and N is a positive integer;
S2, making i=1;
S3 selecting the section i, and detecting the gear corresponding to the section i, the rotating speed Ri and an actual working current Ii;
S4, judging whether the actual working current Ii is within the normal current range of [Ii(P(i)),Ii(P(i?1))], performing S5 if yes, and making i=i+1 and returning to S3 if no;
S5, calculating a=[Ii?Ii(P(i))]/[Ii(P(i?1))?Ii], wherein Ii is the actual working current, Ii(P(i)) is a lower limit of the normal current range of [Ii(P(i)),Ii(P(i?1))], Ii(p(i?1)) is an upper limit of the normal current range of [Ii(P(i)),Ii(P(i?1))], and a is a ratio of current differences in the section i;
S6, selecting the section i+1 from the sections, and detecting the gear corresponding to the section i+1, the rotating speed Ri+1 and the actual working current Ii+1;
S7, judging whether the actual working current Ii+1 is within the normal current range of [I(i+1)(P(i+1)),I(i+1)(P(i))], determining the section i as a final section and automatically regulating the static pressure of the ducted air conditioner according to section i if no, and performing S8 if yes;
S8, calculating b=[Ii+1?I(i+1)(P(i+1))]/[I(i+1)(P(i))?Ii+1], wherein Ii+1 is the actual working current, I(i+1)(P(i+1)) is a lower limit of the normal current range of [I(i+1)(P(i+1)),I(i+1)(P(i))], I(i+1)(P(i)) is an upper limit of the normal current range of [I(i+1)(P(i+1)),I(i+1)(P(i))], and b is the ratio of current differences in the section i+1; and
S9, determining the section i+1 as the final section and automatically regulating the static pressure of the ducted air conditioner according to section i+1 if a predetermined condition is satisfied, and determining the section i as the final section and automatically regulating the static pressure of the ducted air conditioner according to section i if the predetermined condition is not satisfied, wherein the predetermined condition is b?1?a or (b?1 and a?1 and b>a).

US Pat. No. 10,309,714

SIDE-BY-SIDE REFRIGERATOR

HEFEI HUALING CO., LTD., ...

1. A refrigerator, comprising:a refrigerator body having a refrigerating compartment therein;
a first door body and a second door body pivotably arranged on the refrigerator body respectively configured to jointly open and close the refrigerating compartment, the first door body having a first door seal and the second door body having a second door seal; and
a door body locking assembly, wherein when the first door body and the second door body close the refrigerating compartment, the first door body and the second door body are locked by the door body locking assembly and the first door seal and the second door seal jointly seal a gap between the first door body and the second door body;
wherein the first door body having a first hanger and the second door body having a second hanger, and the first hanger and the second hanger are locked by the door body locking assembly when the first door body and the second door body close the refrigerating compartment;
wherein the door body locking assembly comprises:
a casing provided to the refrigerator body;
a first claw and a second claw, the first claw and the second claw being rotatably disposed to the casing separately;
a first elastic piece and a second elastic piece, the first elastic piece being arranged between the casing and the first claw and the second elastic piece being arranged between the casing and the second claw, wherein when the first door body and the second door body close the refrigerating compartment, the first hanger is hooked by the first claw under an action of the first elastic piece and the second hanger is hooked by the second claw under an action of the second elastic piece.