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Refrigerant

Refrigerant-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Fuel cell stack
Honda Motor Co., Ltd.
July 20, 2017 - N°20170207478

A fuel cell stack is comprised of a plurality of power generating units which are stacked along the horizontal direction. An oxidant gas inlet port and a fuel gas inlet port are provided in an upper portion of one of the power generating units, and an oxidant gas outlet port and a fuel gas outlet port are provided in the ...
Semiconductor module and electronic device
Fujitsu Limited
July 20, 2017 - N°20170207144

A semiconductor module includes: a container through which a refrigerant flows; a semiconductor device installed within the container and having an internal path through which the refrigerant flows; and a guide member installed within the container to adjust a first flow rate of the refrigerant flowing through the internal path, and a second flow rate of the refrigerant flowing outside ...
Outdoor unit and refrigeration cycle apparatus
Mitsubishi Electric Corporation
July 20, 2017 - N°20170205128

An outdoor unit includes at least a compressor, a gas-liquid separator, and an outdoor heat exchanger of a refrigerant circuit, the refrigerant circuit being formed by connecting, by pipes, the compressor, a condenser, a pressure reducing device, the gas-liquid separator, and the outdoor heat exchanger that acts as an evaporator including at least a plurality of heat transfer tubes and ...
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Refrigerant Patent Applications
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Absorption refrigeration machine
Lg Electronics Inc.
July 20, 2017 - N°20170205123

An absorption refrigeration machine may include a first regenerator for primarily regenerating an absorbing liquid absorbing a refrigerant; a second regenerator for secondarily regenerating the absorbing liquid primarily regenerated from the first regenerator; an auxiliary absorber provided with the second regenerator, to allow an auxiliary absorbing liquid to absorb the refrigerant; and an auxiliary regenerator for regenerating the auxiliary absorbing ...
Air conditioner
Lg Electronics Inc.
July 20, 2017 - N°20170205122

An air conditioner including a compressor; an outdoor heat exchanger; an indoor heat exchanger; a switching valve for guiding refrigerant discharged from the compressor to the outdoor heat exchanger during a cooling operation and to the indoor heat exchanger during a heating operation; and an injection module for injecting a portion of the refrigerant discharged from the indoor heat exchanger ...
Cooling system with low temperature load
Heatcraft Refrigeration Products Llc
July 20, 2017 - N°20170205120

A system includes a flash tank, a load, a first compressor, a second compressor, a refrigerant routing line, and a flash gas bypass line. The flash tank stores a refrigerant. The load uses the refrigerant from the flash tank to remove heat from a space proximate the load. The first compressor compresses the refrigerant from the load. The refrigerant routing ...
Refrigerant Patent Pack
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Refrigerant Patent Applications
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inventor
  • 778+ full patent PDF documents of Refrigerant-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Dehumidification device
Mitsubishi Electric Corporation
July 20, 2017 - N°20170205092

A dehumidification device according to the present invention includes an operation control unit configured to switch between thermo-on for circulating refrigerant in a refrigerant circuit and thermo-off for suspending circulation of the refrigerant, and an operation mode control unit configured to switch an operation mode to any one of a first operation mode in which a moisture adsorption unit is ...
Dehumidifier
Mitsubishi Electric Corporation
July 20, 2017 - N°20170205089

A dehumidifier includes: a refrigerant circuit in which a compressor, a flow path switch that switches a refrigerant flow path, a first heat exchanger, a pressure-reducing device and a second heat exchanger are connected by piping; a moisture adsorption member that is arranged between the first heat exchanger and the second heat exchanger; a fan configured to cause air to ...
Outdoor unit of air conditioner
Mitsubishi Electric Corporation
July 20, 2017 - N°20170205086

An outdoor unit of an air conditioner includes a partition plate that separates a machine compartment, in which a compressor unit, a refrigerant pipe, and an electrical-part storage are disposed, and an air blower compartment; an electrical-part storage that is disposed so as to extend from the machine compartment side of the partition plate to the air blower compartment side ...
Scroll compressor
Mitsubishi Electric Corporation
July 20, 2017 - N°20170204861

A scroll compressor in which a winding angle of a first lap is larger than a winding angle of a second lap, a plurality of compression chambers are formed between the first lap and the second lap, the compression chambers include at least a first compression chamber and a second compression chamber that has a volume smaller than the first ...
Linear compressor
Lg Electronics Inc.
July 20, 2017 - N°20170204841

A linear compressor includes a cylinder that defines a compression space for a refrigerant, a frame that fixes the cylinder to a shell, a piston that axially reciprocates in an interior of the cylinder, a discharge valve that is provided in front of the cylinder to selectively discharge the refrigerator compressed in the compression space for the refrigerant, a discharge ...
Air conditioner
Johnson Controls-hitachi Air Conditioning Technology (hong Kong) Limited
July 20, 2017 - N°20170204314

Provided herein is an air conditioner in which the acid scavenger in a refrigeration cycle is maintained over extended time periods of operation to improve reliability. The air conditioner includes a compressor 11 for compressing a refrigerant, an outdoor heat exchanger 13 for causing a heat exchange between the refrigerant and outdoor air, an indoor heat exchanger 31 for causing a heat exchange ...
Motor control apparatus and motor control method
Nissan Motor Co., Ltd.
July 20, 2017 - N°20170203670

A motor control apparatus including a motor 1, a transmission 5 disposed adjacent to the motor 1 or in the vicinity of the motor 1, an oil temperature sensor 5 that detects temperature of lubricating oil of the transmission 5, a cooling mechanism that cools a motor with a refrigerant, a refrigerant sensor that detects temperature of the refrigerant, and a controller that controls torque of ...
Refrigerant Patent Pack
Download 778+ patent application PDFs
Refrigerant Patent Applications
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For professional research & prior art discovery
inventor
  • 778+ full patent PDF documents of Refrigerant-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Thermal capacity of elliptically finned heat exchanger
Evapco, Inc.
July 13, 2017 - N°20170198973

Spiral finned elliptical tube closed circuit coolers and evaporative refrigerant condensers in which the air flow entering the unit is directed to flow across the tubes in a direction that is parallel to the tube axes and generally perpendicular to the fins produce a completely unexpected gain in capacity of 25% compared to comparable units in which the air flow is ...
Method and device for controlling refrigerant distribution of multi-split air-conditioning system
Midea Group Co., Ltd.
July 13, 2017 - N°20170198956

A method and a device for controlling refrigerant distribution of a multi-split air-conditioning system are disclosed in the present disclosure. The method includes: when the system enters a main heating mode, controlling the second electronic expansion valve to close; controlling an electronic expansion valve corresponding to a cooling indoor unit to perform an opening adjustment; when an opening of the ...
Refrigeration apparatus
Daikin Industries, Ltd.
July 13, 2017 - N°20170198955

A refrigeration apparatus includes a compressor, a heat-source-side heat exchanger operable as a refrigerant evaporator or radiator, and a usage-side heat exchanger operable as a refrigerant evaporator or radiator. The heat-source-side heat exchanger is disposed inside a heat source unit having an exhaust port and an outdoor fan in an upper part, and an intake port in a side part. ...
Heat exchanger and heat pump having the same (as amended)
Lg Electronics Inc.
July 13, 2017 - N°20170198954

The present invention comprises: a plurality of first tubes and a plurality of second tubes in which a refrigerant passes through and which are formed so as to be long in the vertical direction, respectively, and spaced from each other such that air flows therebetween; and fins respectively coming into contact with the first tubes and the second tubes, wherein ...
Refrigeration system with superheating, sub-cooling and refrigerant charge level control
Bergstrom, Inc.
July 13, 2017 - N°20170198953

The refrigeration system includes a compressor, a condenser, an evaporator, one or both of a receiver drier unit and an accumulator unit fluidly connected by refrigerant lines to form a refrigerant circuit. The receiver drier unit includes a receiver drier and a first sensor, and the accumulator unit includes an accumulator and a second sensor. A controller is electrically connected ...
Air-conditioning apparatus
Mitsubishi Electric Corporation
July 13, 2017 - N°20170198946

An air-conditioning apparatus, including an outdoor unit including a compressor and an outdoor heat exchanger, a plurality of indoor units each including an indoor heat exchanger, and a relay unit configured to distribute refrigerant supplied from the outdoor unit to the plurality of indoor units, the relay unit including a first branch unit in which liquid-side pipes connected to the ...
Air-conditioning apparatus
Mitsubishi Electric Corporation
July 13, 2017 - N°20170198945

An air-conditioning apparatus includes a heat medium system configured to control a flow rate of the heat medium supplied to the heat source unit side heat exchanger that exchanges heat between refrigerant and the heat medium, the heat medium system having at least one system of a heat medium conveyor, a heat medium flow rate adjuster, and a heat medium ...
Heat-recovery-type refrigeration apparatus
Daikin Industries, Ltd.
July 13, 2017 - N°20170198944

In a refrigeration apparatus, in a first operation mode, a comparison is made between a first liquid pipe temperature, which is a temperature of a refrigerant on a side of a liquid pipe heat exchanger that is near usage-side heat exchangers, and a second liquid pipe temperature, which is a temperature of the refrigerant on a side of the liquid ...
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