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Matches 401 - 450 out of 49,433

Document Document Title
WO/2018/185841A1
During a first cooling operation, a compressor (12) enters an operating state and a liquid pump (26) enters a stopped state, and refrigerant is accumulated in a refrigerant tank (24) in an amount at which a liquid surface of the refriger...  
WO/2018/185884A1
A heat medium circulation system (1) equipped with: a heat pump device (3) that has a compressor (11) for compressing a refrigerant, and that heats a liquid heat medium; a pump (8) for circulating a heat medium in a circulation circuit r...  
WO/2018/186129A1
According to the present invention, a main body part (140) that forms a refrigerant passage that has a fixed passage cross-sectional area includes a spiral part (141) that is a curved part that deflects the flow of a refrigerant that flo...  
WO/2018/185911A1
An air conditioning system comprises: an outdoor unit that has a compressor and an outdoor heat exchanger; a plurality of indoor units that each have a throttling device and an indoor heat exchanger and that are connected to the outdoor ...  
WO/2018/185823A1
When this refrigeration cycle device is performing cooling operations, a control device (30) sets a first expansion valve (3) to an open state, a second expansion valve (23) to an open state, a shut-off valve (9) to a closed state, and a...  
WO/2018/186130A1
A gas/liquid separator that comprises: a main body part (140) that is formed from a tubular member that forms a refrigerant passage that has a fixed passage cross-sectional area; and a case part (145) that houses one section of the main ...  
WO/2018/186357A1
Provided are a closed-type compressor and a refrigeration cycle device equipped with the same, the closed-type compressor being capable of ensuring a sufficient flow passage area of a discharge flow passage for discharging a gas refriger...  
WO/2018/187570A1
A hydronic economizer module configured for use in a chiller system having a vapor compression cycle including a housing having at least a first air inlet. A heat exchanger assembly located within said housing. The heat exchanger include...  
WO/2018/186043A1
To suppress destabilization of the degree of intake superheating of a hot-water supply compressor when, in an operation for simultaneously supplying hot water and heating, the amount of heat in an air-conditioning refrigerant supplied to...  
WO/2018/185923A1
This outdoor unit for an air conditioner is provided with: an outdoor unit main body; a compressor for compressing a refrigerant; an outdoor heat exchanger which exchanges heat between the refrigerant and outdoor air; an outdoor blower w...  
WO/2018/180052A1
This suction piping for a compressor comprises: a bent pipe section at least including a first short pipe section which is located on the most upstream side of the flow of fluid to be compressed, a second short pipe section which is conn...  
WO/2018/181299A1
Provided is a liquid-feed type gas compressor capable of monitoring the liquid surface height inside a gas-liquid separator. The liquid-feed type gas compressor comprises: an oil separator that separates and stores oil from compressed ai...  
WO/2018/177956A1
A method for controlling a vapour compression system (1) is disclosed. The vapour compression system (1) comprises an ejector (6) and a liquid separating device (10) arranged in a suction line. A liquid level sensor (18) is arranged in t...  
WO/2018/179190A1
Provided is a liquid-feed type gas compressor capable of monitoring the liquid surface height inside a gas-liquid separator. The liquid-feed type gas compressor comprises: an oil separator 4 that separates and stores oil from compressed ...  
WO/2018/179137A1
An air conditioning device comprises: a discharge pipe temperature sensor that detects the temperature of a discharge pipe for refrigerant discharged from a compressor or a compressor temperature sensor that detects the temperature of an...  
WO/2018/180225A1
The purpose of the present invention is to provide a refrigeration machine wherein lubricating oil supplied to a bearing, etc. in a turbo compressor is capable of being cooled by a simple configuration. This refrigeration machine (1) com...  
WO/2018/180774A1
This refrigerating system comprises: a plurality of parallel-type refrigerators that are each equipped with a plurality of compressors; and a high-order control device that has a compressor start-stop authorization output unit to output ...  
WO/2018/181101A1
This heating devices provided with a valve control unit (43) which operates a switch valve (42) such that, when the temperature of the water (W) at the top of a third hot water tank (6) is greater than or equal to a prescribed temperatur...  
WO/2018/182037A1
Provided is a method for detecting the location of a refrigerant leak, by which it is possible to easily identify the location of a leak. The method for detecting the location of a refrigerant leak is used in an air conditioning device (...  
WO/2018/181057A1
A refrigerant circuit (10) of a refrigeration device (1) comprises: an oil reservoir (21b) in which refrigerator oil is stored; and an oil injection circuit (41) which, when a refrigerant on the discharge side of a compressor (21) meets ...  
WO/2018/181506A1
According to the present invention, a compressor electric motor is caused to generate preheat. The path of an integral value over time of a unit voltage vector constituting a voltage vector serving as a unit which is a constituent of an ...  
WO/2018/179204A1
A cooling system is provided with: an evaporator (1) that absorbs heat by way of vaporization of a liquid-phase refrigerant R; a condenser (2) that dissipates heat by way of liquefaction of a gas-phase refrigerant (R); a resistance body ...  
WO/2018/180337A1
A refrigeration machine control device according to an embodiment of the present invention serves to control a turbo refrigeration machine, and is equipped with a pressure reduction rate identification unit for identifying a pressure red...  
WO/2018/180161A1
A heat pump provided with an engine, an electric compressor, an electric actuator separate from the electric compressor, and a control unit. The control unit performs at least one control from among: an engine start control for reducing ...  
WO/2018/180291A1
The purpose of the present disclosure is to provide a refrigeration cycle apparatus that is configured to be able to switch a refrigerant circuit and that is able to sufficiently cool or heat a fluid subjected to heat exchange. This refr...  
WO/2018/180985A1
An air-conditioning device equipped with: a compressor; an outdoor heat exchanger; an indoor heat exchanger; an electronic expansion valve; a bypass passage for connecting an intermediate compression chamber in which refrigerant in the p...  
WO/2018/180349A1
The objective of the present invention is to provide a refrigerant circulation device and a refrigerant circulation method with which a change in pressure inside the device can be avoided and performance stability and stable operation ar...  
WO/2018/181065A1
A control unit (19) that controls operation of a refrigerant circuit (10) performs pump-down operation for collecting a non-azeotropic refrigerant mixture in a part, of an outdoor unit (2), in the refrigerant circuit (10), performs compo...  
WO/2018/180240A1
In order to improve the heat exchanging efficiency of a heat exchanger provided with a windward side heat exchange part and leeward side heat exchange part, the windward side heat exchange part (51) is disposed on the windward side with ...  
WO/2018/181038A1
An air conditioning device (1, 101) has a refrigerant circuit (10, 110) formed by connecting an outdoor unit (2, 102) and an indoor unit (3) to each other, wherein a refrigerant including fluorohydrocarbon, having the property of causing...  
WO/2018/183107A1
A multi-stage refrigeration system (100) includes: a refrigeration loop (110), which includes a gas suction port of a multi-stage compressor (111), a condenser (112), a first throttling element (113), an evaporator (114) and an exhaust p...  
WO/2018/178169A1
The invention relates to a heat pump (12, 26) with a fluid circuit (21, 28) with at least one evaporator (10), a downstream compressor unit (7), at least one downstream liquefier (8), and a downstream expansion unit (9), and a first bypa...  
WO/2018/173120A1
This dehumidifier is provided with: a refrigerant circuit wherein a compressor, a condenser, an expansion device, and an evaporator are connected sequentially by piping; a blower for causing air to flow through an air passage which exten...  
WO/2018/173854A1
[Problem] To reduce the possibility of liquid compression occurring in a cooling system. [Solution] A cooling system comprises: an evaporation unit that evaporates refrigerant; a compressor that compresses the refrigerant evaporated with...  
WO/2018/168776A1
The purpose of the invention is to provide a very durable heat cycle system using a heat cycle working medium containing trifluoroethylene, which has a small global warming coefficient. Provided is a heat cycle system 10 having a circula...  
WO/2018/169193A1
The present invention relates to an air conditioner. The air conditioner according to the present embodiment has a refrigeration capacity of 7kW to 11kW, inclusive, and uses, as a refrigerant, a mixed refrigerant containing 50% or more o...  
WO/2018/168698A1
Because a refrigerating system becomes larger when increasing the efficiency of the refrigerating system by performing heat exchange between a gas-phase refrigerant and a liquid-phase refrigerant in the refrigerating system, a heat excha...  
WO/2018/167961A1
An air conditioner comprises: a refrigerant circuit in which a compressor, an outdoor heat exchanger, a plurality of expansion units, and a plurality of indoor heat exchangers are connected by piping and in which refrigerant flows; an ou...  
WO/2018/168276A1
In the present invention, a device heat exchanger (10) is configured such that heat can be exchanged between a target device and a working fluid. An upper connection part (15) is provided in an upper part of the device heat exchanger (10...  
WO/2018/168158A1
A refrigeration cycle device (10) is provided with: a compressor (12) that compresses a refrigerant and discharges the refrigerant; a condenser (14) that condenses the refrigerant discharged from the compressor; an expansion valve (18) t...  
WO/2018/169186A1
The present invention relates to an air conditioner. The air conditioner according to the present embodiment has a refrigeration capacity of 11kW to 16kW, inclusive, and uses a mixed refrigerant containing 50% or more of R32, as a refrig...  
WO/2018/169184A1
The present invention relates to an air conditioner. A first invention according to the present embodiment is an air conditioner which has a refrigeration capacity of 16kW to 28kW, inclusive, and uses a mixed refrigerant R134a as a refri...  
WO/2018/167866A1
This air conditioning device is a refrigeration cycle device having a main refrigerant circuit that circulates refrigerant and comprises a compressor, a condenser, an expansion valve, and an evaporator connected with refrigerant piping. ...  
WO/2018/167811A1
This refrigeration cycle device (1) is provided with gas leakage sensors (4A, 4B) and a control device (300). When refrigerant leakage is detected by the gas leakage sensors (4A, 4B), the control device (300) executes operation in a firs...  
WO/2018/169189A1
The present invention relates to an air conditioner. The air conditioner according to the present embodiment has a refrigeration capacity of 7kW to 11kW, inclusive, and uses a refrigerant R134a as a refrigerant, and since a refrigerant p...  
WO/2018/169844A1
The present invention provides a pressure relief and recovery loop, a carbon dioxide refrigeration system and a control method thereof. The pressure relief and recovery loop includes: a gas storage reservoir (110), which is used for stor...  
WO/2018/169183A1
The present invention relates to an air conditioner. The air conditioner according to the present embodiment has a refrigeration capacity of 16kW to 28kW, inclusive, and uses a single refrigerant R32 as a refrigerant, and a refrigerant p...  
WO/2018/169190A1
The present invention relates to an air conditioner. The air conditioner according to the present embodiment has a refrigeration capacity of 2kW to 7kW, inclusive, and uses R32 as a refrigerant circulating therein, and since a refrigeran...  
WO/2018/169182A1
The present invention relates to an air conditioner. The air conditioner according to the present embodiment has a refrigeration capacity of 11kW to 16kW, inclusive, and uses R32 as a refrigerant circulating therein, and since a refriger...  
WO/2018/166740A1
The invention relates to a heat pump (12, 26) comprising at least one evaporator (10), a subsequent downstream compressor (7a, 7b, 7), a subsequent downstream liquefier (8), and at least one subsequent downstream expansion device (9a, 9b...  

Matches 401 - 450 out of 49,433