US Pat. No. 10,154,610

APPARATUS FOR DISTRIBUTING POWER

Vertiv Corporation, Wort...

1. An apparatus for distributing power, comprising:a power configuration device, the power configuration device configured to couple with at least one input power feed, the power configuration device including a housing, a first connector device, a display to provide power related information, a wireless transceiver and a host box configuration configured to receive three phase wye power or three phase delta power;
an outlet power strip, wherein the outlet power strip includes another housing, a second connector device and a set of outlet power groups of at least C13 or C19 receptacles configured to supply a particular output power characteristic; and
a cable including a connector device on a first end of the cable and another connector device on a second end of the cable configured to removably couple the power configuration device with the outlet power strip, the cable including twelve live conductors and two ground conductors, wherein the connector device on a first end of the cable is configured to removably connect with the first connector device of the power configuration device and the another connector device on the second end of the cable is configured to removably connect with the second connector device on the outlet power strip.

US Pat. No. 10,172,261

SYSTEM AND METHOD FOR MODULAR DATA CENTER

Vertiv Corporation, Colu...

20. A unit structure for use in forming a modular data center, the unit structure comprising:an elongated frame structure and a perimeter frame structure forming a rectangular-like subsystem, and adapted to be supported above a floor surface and above a plurality of equipment racks by a plurality of vertical structural support columns;
a roof panel secured to the perimeter frame structure and extending along substantially an entire length of the perimeter frame structure, for assisting in containing cold air within a cold aisle formed below the roof panel;
a ceiling panel secured to the elongated frame structure and spaced apart from the roof panel to define a volume through which hot air may be flowed; and
a pair of panels coupled to and extending vertically adjacent to the elongated frame structure, along opposing sides of the elongated frame such that the panels face one another when in a deployed position extending outwardly from the elongated frame structure, which cooperatively also form the cold aisle therebetween and hot aisles on opposite sides of each of the pair of panels, along substantially an entire length of the unit structure parallel to a length of the unit structure.

US Pat. No. 10,208,973

SYSTEM AND METHOD FOR RAPID INPUT AND CONFIGURATION OF SENSORS FOR A HVAC MONITORING SYSTEM

Vertiv Corporation, Colu...

1. A computer based system for controlling use of a plurality of sensors present within a predetermined environment and controlling how various ones of the sensors are grouped together into a plurality of groups for monitoring/control purposes, the system comprising:a processor for communicating with the plurality of sensors and using data reported from the sensors to generate a metric therefrom, the processor further configured to receive temperature data from designated groups of the plurality of sensors, the processor communicating with a computer system having a display system;
a user interface system module adapted to run on a computer, the user interface system module being in communication with the processor and configured to generate a graphical user interface on the display system;
at least one of a touchscreen display or a mouse in communication with the computer based system for enabling the user to interact with and make selections using the user interface system module;
the graphical user interface being controlled by the computer based system and configured to generate an association matrix screen on the display system, the association matrix screen including a plurality of fields arranged in a matrix array for indicating a group assignment for each one of the plurality of sensors, and enabling a user to change a group assignment for any given one of the plurality of sensors by making a selection of a specific one of the fields, the selection operating to either associate or disassociate a selected one of the plurality of sensors with a specific group, and wherein at least one of the plurality of sensors is able to be associated, using the associate matrix screen, with two or more different, selected groups of sensors, and all the groups of sensors with which a given said sensor is associated with are displayed on the association matrix screen along with a separate information tab associated with each said group of sensors, each said information tab providing information on a performance of at least a subplurality of the sensors associated with a given said group of sensors.

US Pat. No. 10,119,730

HYBRID AIR HANDLER COOLING UNIT WITH BI-MODAL HEAT EXCHANGER

Vertiv Corporation, Colu...

1. A hybrid air handler cooling unit comprising:a refrigerant circuit having a compressor, a condenser having first and second condenser coils, a pump, an expansion valve, an evaporator having an evaporator coil and a bi-modal heat exchanger;
the hybrid air handler cooling unit having a direct expansion mode in which the compressor is running, the pump is off and the refrigerant circuit has a direct expansion only refrigerant flow path with the bi-modal heat exchanger in parallel with the first and second condenser coils and refrigerant flows from the compressor in parallel through the first and second condenser coils and bi-modal heat exchanger with the bi-modal heat exchanger functioning as a condenser coil, from the first and second condenser coils and bi-modal heat exchanger through the expansion valve and from the expansion valve to the compressor and the hybrid air handler cooling unit has a return air flow path in which return air flows across the evaporator coil but not across the bi-modal heat exchanger;
the hybrid air handler cooling unit having a pumped refrigerant economization mode in which the compressor is off, the pump is running and the refrigerant circuit has a pumped refrigerant economization only refrigerant flow path with the bi-modal heat exchanger in parallel with the first and second condenser coils and refrigerant flows from the pump through the evaporator coil and from the evaporator coil through a valve around the compressor and from the compressor in parallel through the first and second condenser coils and bi-modal heat exchanger with the bi-modal heat exchanger functioning as a condenser coil, and back to the pump and the hybrid air handler cooling unit has a return air flow path in which return air flows across the evaporator coil but not across the bi-modal heat exchanger; and
the hybrid air handler cooling unit having a mixed direct expansion/pumped refrigerant economization mode in which the compressor and pump are both running and the refrigerant circuit has a mixed direct expansion refrigerant flow path and a mixed pumped refrigerant economization refrigerant flow path that are independent flow paths with the bi-modal heat exchanger in the pumped refrigerant economization refrigerant flow path in series between an outlet of the pump and an inlet of the second condenser coil and functions as a pre-cooler evaporator coil with refrigerant flowing in the mixed pumped refrigerant economization refrigerant flow path from the pump through the bi-modal heat exchanger and from the bi-modal heat exchanger through the second condenser coil and back to the pump, and refrigerant flowing in the mixed direct expansion refrigerant flow path from the compressor through the first condenser coil and from the first condenser coil through the expansion valve and from the expansion valve to the compressor, and the hybrid air handler unit also has a return air flow path in the where return air first flows across the bi-modal heat exchanger and then across the evaporator coil.

US Pat. No. 10,174,977

APPARATUS AND METHOD FOR SUBCOOLING CONTROL BASED ON SUPERHEAT SETPOINT CONTROL

Vertiv Corporation, Colu...

9. The system of claim 1, wherein:the summer is configured to determine an error between the adjusted superheat setpoint and the superheat level of the compressor; and
the control module is configured to generate the control signal based on the error between the adjusted superheat setpoint and the superheat level.

US Pat. No. 10,205,281

APPARATUS FOR RETAINING A PLUG WITHIN A RECEPTACLE

Vertiv Corporation, Colu...

1. An apparatus for retaining a plug within a receptacle, comprising:a receptacle body, the receptacle body including at least one tab configured to make contact with a plug when the plug is inserted within the receptacle body, the at least one tab is located within an interior of the receptacle body; and
a release device disposed within the receptacle body, the release device including a face portion and at least one prong, wherein the release device is configured to allow the face portion to be depressed and cause the at least one prong to come into contact with the at least one tab in order to allow the plug to be removed from the receptacle body.

US Pat. No. 10,234,178

FIN AND TUBE-EVAPORATOR WITH MINI-SLAB CIRCUIT EXTENDERS

Vertiv Corporation, Colu...

1. An evaporator fora cooling system, comprising:
a slab coil the slab coil having a plurality of refrigerant circuits with each refrigerant circuit being a fin-and-tube assembly that extends across the slab coil;
at least one of the refrigerant circuits having a mini-slab circuit extender that has a fin-and-tube assembly that is disposed across only a portion of the fin-and-tube assembly of that refrigerant circuit; and
the at least one refrigerant circuit that has the mini-slab circuit extender is a cold refrigerant circuit that has a refrigerant circuit temperature that is at least 15° F. less than a refrigerant circuit temperature of that refrigerant circuit of the plurality of refrigerant circuits that has a highest refrigerant circuit temperature.

US Pat. No. 10,254,028

COOLING SYSTEM WITH DIRECT EXPANSION AND PUMPED REFRIGERANT ECONOMIZATION COOLING

Vertiv Corporation, Colu...

1. A cooling system, comprising:a cabinet having an air inlet and an air outlet;
an air moving unit disposed in the cabinet;
first and second cooling circuits;
a controller configured to operate the cooling system including the cooling circuits;
the first cooling circuit having an upstream evaporator coil and a downstream evaporator coil, a first condenser, a first compressor, a receiver tank, a first liquid pump, a first liquid pump bypass valve that bypasses the liquid pump when the liquid pump bypass valve is open, a first compressor bypass valve that bypasses the first compressor when the first compressor bypass valve is open, a first controlled valve coupled between the first liquid pump and the first upstream evaporator coil and a first expansion device coupled between the first liquid pump bypass valve and the first downstream evaporator coil;
the second cooling circuit having an second evaporator coil, a second condenser, a second compressor, and a second liquid pump, a second liquid pump bypass valve that bypasses the second liquid pump when the second liquid pump bypass valve is open, a second compressor bypass valve that bypasses the second compressor when the second compressor bypass valve is open, and a second expansion device coupled between the second liquid pump bypass valve and the downstream evaporator coil;
an evaporator disposed in the cabinet that includes the first upstream evaporator coil and the first downstream evaporator coil of the first cooling circuit and the second evaporator coil of the second cooling circuit;
the first upstream and first downstream evaporator coils of the first cooling circuit are arranged so that air to be cooled passes across them in serial fashion, first over the first upstream evaporator coil of the first cooling circuit and then over the first downstream evaporator coil of the first cooling circuit;
the second evaporator coil of the second cooling circuit arranged so that the air to be cooled passes over it and over the first upstream and first downstream evaporator coils of the first cooling circuit in serial fashion;
the first and second cooling circuits each having a pumped refrigerant economization cooling mode and a direct expansion cooling mode wherein when any of the first and second cooling circuits are operated by the controller in direct expansion cooling mode the controller is configured to have the compressor of that cooling circuit on with the compressor bypass valve of that cooling circuit closed and the liquid pump of that cooling circuit off and bypassed with the liquid pump bypass valve of that cooling circuit open and when that cooling circuit is operated by the controller in the pumped refrigerant economization cooling mode the controller is configured to have compressor of that cooling circuit off and bypassed with the compressor bypass valve of that cooling circuit open and the liquid pump of that cooling circuit on with the liquid pump bypass valve of that cooling circuit closed; and
wherein when the first cooling circuit is operated by the controller in its pumped refrigerant economization cooling mode the controller is configured to have the first controlled valve coupling the first liquid pump to the first upstream evaporator coil open and refrigerant flows from the first liquid pump through the open first controlled valve to the first upstream evaporator coil and also flows from the first liquid pump to the first downstream evaporator coil through the first expansion device and when the first cooling circuit is operated by the controller in its direct expansion cooling mode the controller is configured to have the first controlled valve closed and refrigerant flows around the bypassed first liquid pump of the first refrigerant circuit and only to the first downstream evaporator coil through the first expansion device and not to the first upstream evaporator coil.

US Pat. No. 10,342,166

COOLING SYSTEMS FOR SMALL EQUIPMENT ROOMS AND METHODS OF COOLING SMALL EQUIPMENT ROOMS

Vertiv Corporation, Colu...

1. A method of cooling an equipment closet in a building with a cooling system, the cooling system having a direct expansion cooling circuit that includes a compressor, a condenser having a condenser coil and a condenser fan, an expansion device and an evaporator having an evaporator coil and an evaporator fan that are arranged in the direct expansion cooling circuit, the method comprising:disposing a cabinet at least partially in the equipment closet wherein at least the condenser is disposed in an upper portion of the cabinet and the evaporator is disposed in a lower portion of the cabinet;
separating the lower portion of the cabinet from the upper portion of a cabinet with a first wall to provide separate air flow paths through the upper portion of the cabinet and the lower portion of the cabinet;
operating the cooling system in a first mode of operation with the direct expansion cooling circuit off to cool an interior of the equipment closet with transfer air drawn in from an area of the building outside of the equipment closet and operating the cooling system in a second mode of operation with the direct expansion cooling circuit running to cool the interior of the equipment closet with air cooled by the direct expansion cooling circuit;
controlling operation of the cooling system with a controller by having the controller operate the cooling system in the first mode of operation when the controller determines that operating the cooling system in the first mode of operation will meet a cooling demand due to heat load in the interior of the equipment closet and having the controller operate the cooling system in the second mode of operation when the controller determines that operating the cooling system in the first mode of operation will not meet the cooling demand;
when operating the cooling system in the first mode of operation drawing transfer air in through a transfer air inlet of the lower portion of the cabinet from an area of the building outside of the equipment closet and surrounding the transfer air inlet of the lower portion of the cabinet and when operating the cooling system in a second mode of operation drawing transfer air in through the transfer air inlet in the lower portion of the cabinet and cooling it with the direct expansion cooling circuit;
creating a positive pressure in the interior of the equipment closet by the discharge of air with the evaporator fan through a cool air outlet of the lower portion of the cabinet into the interior of the equipment closet to force air in the interior of the equipment closet out through a hot air outlet of the equipment closet; and
wherein having the controller operate the cooling system in the first mode of operation includes having the controller operate the cooling system with the condenser fan off and the evaporator fan running and drawing transfer air in with the evaporator fan through the transfer air inlet of the lower portion of the cabinet and with the evaporator fan discharging this air out through the cool air outlet of the lower portion of the cabinet into the interior of the equipment closet; and
wherein having the controller operate the cooling system in the second mode of operation includes having the controller operate the cooling system with the condenser fan running and the evaporator fan running and drawing transfer air in with the condenser fan through a transfer air inlet of the upper portion of the cabinet and across the condenser coil to cool refrigerant flowing through the condenser coil and after this air passes across the condenser coil discharging this air with the condenser fan out through a hot air outlet of the upper portion of the cabinet into a ceiling space and also drawing transfer air in with the evaporator fan through the transfer air inlet of the lower portion of the cabinet and across the evaporator coil to cool the air with refrigerant flowing through the evaporator coil and with the evaporator fan discharging the cooled air out through the cool air outlet of the lower portion of the cabinet into the interior of the equipment closet.

US Pat. No. 10,250,032

INTELLIGENT POWER STRIP WITH MANAGEMENT OF BISTABLE RELAYS TO REDUCE CURRENT IN-RUSH

Vertiv Corporation, Colu...

1. A power distribution unit (PDU) comprising:at least one power receptacle configured to enable attachment of an alternating current (AC) power cord of an external device to the power receptacle;
a branch receptacle controller (BRC) having at least one bistable relay and associated with the at least one power receptacle for supplying AC power to the at least one power receptacle from an external AC power source, the bistable relay having contacts able to be set to an open position and to a closed position;
the BRC further configured to monitor a parameter of a line voltage from the external AC power source, and to use the monitored parameter to detect when a loss of AC power is about to occur, and to toggle the bistable relay, when the bistable relay is in a closed position, to an open position upon the detection that AC power is about to be lost; and
a rack power distribution unit controller (RPDUC) configured to communicate with the BRC and to monitor a state of the bistable relay, and to command the BRC to close the bistable relay after AC power is restored.

US Pat. No. 10,288,324

PUMPED REFRIGERANT COOLING SYSTEM WITH 1+1 TO N+1 AND BUILT-IN REDUNDANCY

Vertiv Corporation, Colu...

1. A cooling system comprising:a plurality of primary cooling modules and a secondary cooling module, each of the primary cooling modules including:
a first pump, the first pump configured for circulating refrigerant;
a first condenser; and
a first liquid receiver,
wherein the cooling system further comprises a plurality of evaporators, and wherein each of the evaporators is fluidly connected to a respective one of the plurality of primary cooling modules;
the first pump of each cooling module is configured to supply the refrigerant to a respective evaporator of the plurality of evaporators at a first respective temperature, and each one of the first condensers is configured to receive the refrigerant from the respective evaporator, the refrigerant received by each of the first condensers being at a higher temperature than the first respective temperature, each of the primary cooling modules is configured to supply the refrigerant through the respective evaporator;
wherein each first liquid receiver is configured to receive the refrigerant in a liquid state, and
the secondary cooling module including a second pump for circulating the refrigerant, a second condenser, and a second liquid receiver,
wherein the second condenser is configured to selectively receive refrigerant from any of the evaporators, and the second liquid receiver is configured to receive the refrigerant in a liquid state from the second condenser,
wherein the secondary cooling module is configured to selectively provide a supplemental flow of the refrigerant through the evaporator of a primary cooling module of the plurality of primary cooling modules for which a failure has been detected.

US Pat. No. 10,292,314

COOLING SYSTEM FOR HIGH DENSITY HEAT LOADS

Vertiv Corporation, Colu...

1. A method for providing redundant control of a cooling system comprising:providing a plurality of primary cooling modules, the primary cooling modules circulating refrigerant through a respective circuit including a thermal load;
providing a secondary cooling module, the secondary cooling module selectively providing a supplemental flow of refrigerant through the circuit associated with a respective primary cooling module when a fault is detected in one of the primary cooling modules;
transitioning the secondary cooling module from a standby mode of operation to an online mode of operation upon detection of the fault in one of the primary cooling modules; and
arranging valves disposed between the one primary cooling module and the circuit to prevent refrigerant flow therebetween.

US Pat. No. 10,277,066

METHOD FOR BALANCING POWER IN PARALLELED CONVERTERS

Vertiv Corporation, Colu...

1. A method to balance power amongst parallel connected power converters in an uninterruptible power supply (UPS), each power converter having an output coupled via a filter to a load, comprising:applying, by a centralized controller, a control signal to each of the parallel connected power converters, where the control signals applied to the parallel connected power converters are derived from a common control signal output by the centralized controller;
receiving, by the centralized controller, measurements of current being supplied by each power converter to the load;
receiving, by the centralized controller, a single measurement of voltage common to each power converter;
adjusting, by the centralized controller, phase of voltage applied to at least one of the power converters based on the received current measurements and the voltage measurement, such that the phase adjustment causes same magnitude of current to flow though each filter.

US Pat. No. 10,340,733

3-WIRE TRANSFORMER-FREE UPS SYSTEM AND METHOD OF CONTROL TO REDUCE COMMON MODE CURRENT

Vertiv Corporation, Colu...

2. A double conversion three-wire uninterruptible power supply system, comprising:a rectifier coupled to a rectifier power source without a common mode choke in series between the rectifier and the rectifier power source, the rectifier having an output coupled to an input of an inverter;
a bypass switch coupled to a bypass power source that is different than the rectifier power source; and
a control module that controls the rectifier, bypass switch and inverter, the control module configured to control the inverter with a pulse width modulation control that does not have common mode injection when the inverter is paralleled with the bypass power source and with a pulse width modulation control that has common mode injection when the inverter is not paralleled with bypass power source.