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8166771 |
Refrigeration system
A heat source side circuit (14) includes a gas-liquid separator (35) for the separation of refrigerant flowing therein from an expander (31) into liquid refrigerant and gas refrigerant and a...
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8151586 |
Hot water supply and air conditioning system using CO2 heat pump
To realize a CO2 heat pump system in which reduction in coefficient of performance of heat pump cycle is prevented by maintaining the temperature of the water supplied to the gas cooler of the CO2...
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8141381 |
Vapor compression refrigerating cycle, control method thereof, and refrigerating apparatus to which the cycle and the control method are applied
The vapor compression refrigerating apparatus of the invention comprises a compressor 2, a condenser 4, a regeneration heat exchanger 6, an expansion means 8, and an evaporator 10 connected in...
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8132422 |
Cogeneration system
A cogeneration system includes a coolant circuit through which a coolant is circulated for conducting a heat exchange with an exhaust heat generated by a power generation unit, a buffer tank...
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8082749 |
Air conditioner
An air conditioner having a heat-source side unit including a compressor and a heat-source side heat exchanger, plural use-side units each having a use-side heat exchanger and an inter-unit pipe...
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8079229 |
Economized refrigerant vapor compression system for water heating
An economized refrigerant vapor compression system (10) for water heating includes a refrigerant compression device (20), a refrigerant-to-water heat exchanger (30), an economizer heat exchanger...
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8037931 |
Hybrid water heating system
A hybrid heating apparatus heats potable water with waste heat from heat recovery units and insolation from solar collectors. A single circulation pump circulates fluid between at least one heat...
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7992400 |
Refrigerating apparatus and fluid machine therefor
A complex fluid machine has an expansion-compressor device, a pump, and a motor generator, wherein the expansion-compressor device, the pump, and the motor generator are operatively connected and...
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7966840 |
Heat pump system and heat pump operation method
A compact heat pump system and a heat pump operation method, which can avoid the occurrence of surging in a compressor at startup of a heat pump and can directly supply vapor of a working medium...
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7883024 |
Heat pump type water heater
A hot water storage tank (3) and a circulating path (12) coupled to the hot water storage tank (3) are provided. An operation is possible wherein low-temperature water, let out from a lower part of...
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7861548 |
Heat pump system and heat pump operation method
A compact heat pump system and a heat pump operation method, which can avoid the occurrence of surging in a compressor at startup of a heat pump and can directly supply vapor of a working medium...
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7854134 |
Air conditioner
An air conditioner is provided with a refrigerant circuit and an operation controller. The refrigerant circuit includes a heat source unit, a refrigerant communication pipe, an expansion mechanism,...
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7849700 |
Heat pump with forced air heating regulated by withdrawal of heat to a radiant heating system
A heat pump system is disclosed that utilizes a variable speed hydronics pump to selectively divert heat energy from a forced air heating system to a hydronics radiant heating system. By actively...
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7823626 |
Refrigerated oven
A refrigerated oven having a cooking chamber in which is provided a heating elements and a refrigeration unit chamber in which is provided a refrigeration unit. The refrigeration unit is fluidly...
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7823799 |
Heat-pump-type water heater
A heat source unit includes a compressor, a heat-source-side heat exchanger, an outdoor blower, and a controller for electric devices. A hydrothermal exchange unit accommodates water heat...
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7818973 |
Air-conditioning system and method of installing energy recovery apparatus
There is provided an energy recovery apparatus capable of recovering a hydraulic energy in a regenerative air-conditioning system including a pressure sustaining valve and capable of coping with a...
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7793651 |
Heat storage apparatus
A heat storage apparatus includes heat storage panels having primary fluid passages formed therein; passage plates having secondary fluid passages formed therein; and heat reservoirs. The heat...
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7765823 |
Hybrid vapor compression-absorption cycle
The present invention relates to a hybrid vapor compression-absorption cooling or heating system and apparatus containing a refrigerant pair comprising at least one refrigerant and at least one...
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7757508 |
Super energy saver heat pump with dynamic hybrid phase change material
A heat pump has a refrigerant loop, a compressor in fluid communication with the refrigerant loop, at least one indoor heat exchanger in fluid communication with the refrigerant loop, and at least...
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7752852 |
Vapor compression circuit and method including a thermoelectric device
A system and method includes a thermoelectric device in heat-transfer relation with a working fluid flowing through a vapor compression circuit. Heat is transferred from the working fluid to a...
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7748227 |
Heat-pump-type hot water supply apparatus
To provide a compact and well serviceable heat pump water boiler. The heat pump water boiler is constituted to have a body unit (1) by integrating: a refrigerant cycle, in which a compressor (2), a...
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7716934 |
Air conditioning device
An object is to improve performance and efficiency of an air conditioning device constituted of a waste heat utilization circuit in which waste heat of a heat source is utilized in heating a room...
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7690213 |
Waste heat utilization device and control method thereof
A waste heat utilization device includes a refrigeration cycle having a compressor, a Rankine cycle using a condenser in common with the refrigeration cycle, and a control unit which controls...
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7658082 |
Heat transfer system and associated methods
A heat transfer system includes a water line for carrying water having a first predetermined flow direction and a refrigerant line for carrying a refrigerant and having a second predetermined flow...
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7658072 |
Highly efficient heat cycle device
A high-efficient heat cycle device formed by combining a heat engine with a refrigerating machine, wherein steam generated in a boiler is cooled by a condenser after driving turbine, built up by a...
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7650761 |
Refrigerating device comprising waste heat utilization equipment
In a refrigerating device comprising waste heat utilization equipment having: a refrigerating cycle 200 formed by sequentially connecting a compressor 210, a condenser 220, an expansion valve 240,...
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7640763 |
Hot water supply system
A hot water supply system (10) is provided which includes a first refrigerant circuit (20), an intermediate temperature water circuit (40), a second refrigerant circuit (60), and a high temperature...
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7610768 |
Apparatus and methods for water regeneration from waste
A rotary multi-stage distiller for recovery of water from wastewater is provided. The rotary multi-stage distiller of the present invention can recover water from a wide variety of aqueous...
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7600391 |
Coolant-based regenerative energy recovery system
An apparatus for the recovery of energy from regenerative braking events in a vehicle is provided. A braking system is configured to selectively transmit energy from a wheel to the compressor of a...
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7594409 |
Freezer apparatus
A refrigerator has a discharge three-way valve (8) for connecting the discharge side of a compressor (1) to at least either a hot water heat exchanger (3) or an air heat exchanger (6) and has a...
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7562699 |
Reversing circulation for heating and cooling conduits
A fluid circulating apparatus for warming or cooling a surface includes a pressurized fluid source operative to circulate fluid through a conduit such that a supply fluid moves from a supply port...
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7543456 |
Heat pump liquid heater
A heat pump liquid heater for heating a liquid comprising: a heat pump; a liquid tank in heat communication with the heat pump, wherein the liquid tank comprises the liquid; and at least one metal...
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7536869 |
Vapor compression refrigerating apparatus
A vapor compression refrigerating apparatus comprises a refrigerating cycle for performing a cooling operation of an automotive air conditioning system, a Rankine cycle for collecting waste heat...
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7530390 |
Air conditioner for a motor vehicle
The invention relates to an air conditioner for a motor vehicle, comprising a coolant circuit (1) that is provided with several heat-transferring devices through which a coolant can be directed, a...
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7523621 |
System for heat refinement
The present invention relates to a system for heat refinement by utilizing waste heat in a conduct (6) comprising a first cycle (2), an evaporator (4) In which the circulating working fluid is...
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7520320 |
Automotive air conditioning system
An automotive air conditioning system has a primary hot water circuit 11 located on a side where a vehicle installed heat generator 10 is located and a secondary hot water circuit 13 which includes...
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7490481 |
Vapor compression system startup method
A method of controlling a startup operation in a heat pump water heater system prevents inadvertent shutdowns and/or low operating efficiencies via closed loop control of the system. The method...
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7451611 |
Solar air conditioning system
A solar air-conditioning system that is preferably designed to operate with concentrated solar heat and uses a circulating refrigerant in a cycle of compression and expansion. Solar concentrators...
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7418824 |
Refrigerating apparatus and fluid machine therefor
A complex fluid machine has an expansion-compressor device, a pump, and a motor generator, wherein the expansion-compressor device, the pump, and the motor generator are operatively connected and...
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7412843 |
Manifold-superheated air conditioning system
The present invention involves a system and method for superheating the refrigerant gas in a motor vehicle air conditioning system in order to minimize the amount of work required to be performed...
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7380588 |
Heat pump control system and method of operating to provide automatic backup heating modes
A heat pump type heating and air conditioning system includes a gas furnace or other auxiliary heat source and a thermostat and controller associated with the heat pump and the auxiliary heat...
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7316267 |
Heat pump water device
A flash water heater using a heat pump includes a heat exchanger in which a refrigerant flow path exchanges heat with a water flow path. Tap water is led directly to the water flow path, and hot...
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7310960 |
Transcritical heat pump water heater with drainage
A water heater is provided by a refrigerant cycle, in which the gas cooler is utilized to heat the water. A drain is incorporated into a water circuit for draining all of the water outwardly of the...
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7305841 |
Cogeneration system
A cogeneration system is disclosed. The cogeneration system includes a heat pump type air conditioner, a waste heat recoverer to recover waste heat of a drive source, a waste heat supplying heat...
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7302807 |
Refrigerating cycle device
In a refrigerating cycle device using carbon dioxide as a refrigerant, there exists a problem that the provision of a receiver at a low-pressure side increases cost and volume due to a pressure...
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7296416 |
Vapor compression circuit and method including a thermoelectric device
A system and method includes a vapor compression circuit having a source of waste heat. A thermoelectric device is positioned in heat-transfer relation to the source of waste heat and generates an...
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7296429 |
Air-conditioning system and method of installing energy recovery apparatus
There is provided an energy recovery apparatus capable of recovering a hydraulic energy in a regenerative air-conditioning system including a pressure sustaining valve and capable of coping with a...
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7287581 |
Full function vehicle HVAC/PTC thermal system
The integrated automotive HVAC/PTC system of the present invention includes a bi-fluidic heat exchanger between an air conditioning subsystem and a heating subsystem which enables heat extracted...
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7260952 |
Fluid machine
A fluid machine has a compressor device for compressing refrigerant of a refrigerating cycle for an automotive vehicle, an electric rotating device operating as an electric motor for generating a...
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7210303 |
Transcritical heat pump water heating system using auxiliary electric heater
Refrigerant is circulated through a vapor compression system including a compressor, a gas cooler, an expansion device, and an evaporator. An auxiliary electric heater is activated to further heat...
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