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Patent Searching and Data


Matches 351 - 400 out of 50,250

Document Document Title
WO/2019/111621A1
This heat pump system has: a heat pump cycle (10); recovery parts (25, 35); and a high-temperature side heat reception part (20) and/or a low-temperature side heat reception part (30). The heat pump cycle has a compressor (11) that compr...  
WO/2019/111350A1
In order to provide a refrigeration cycle device and a compressor having an accumulator with which pressure loss in an inner pipe can be reduced, a compressor (100) comprises: a compression mechanism unit (3) having at least one cylinder...  
WO/2019/111392A1
A rotary compressor comprising an electric motor, a crank shaft, a piston, a cylinder, and an injection flowpath that injects a refrigerant into a compression chamber from a refrigerant pipe in front an evaporator in the refrigerant flow...  
WO/2019/111771A1
An expansion valve control sensor according to the present invention comprises a micro-resistor, an upstream temperature sensor which detects a pipeline temperature on an upstream side of the micro-resistor, and a downstream temperature ...  
WO/2019/107066A1
The present invention has: a flow channel switching valve (40) connected to a downstream side of a main condenser (21); a dew-proofing pipe (41) connected to a downstream side of the flow channel switching valve (40); and a bypass passag...  
WO/2019/106764A1
This refrigeration device has: a refrigeration circuit in which a compressor, a gas cooler, a liquid receiver, a low-pressure expansion valve and an evaporator are connected to refrigerant piping and a refrigerant is circulated; a high-p...  
WO/2019/106795A1
According to the present invention, a control device (10) switches an operation mode of a refrigeration cycle device (100) between a heating operation mode and an oil recovery operation mode upon receiving a command for a heating operati...  
WO/2019/102532A1
This compressor is provided with: a hermetically sealed container which is provided internally with a space to store polyalkylene glycol oil, as a refrigerating machine oil; a suction pipe which is provided in the hermetically sealed con...  
WO/2019/102538A1
An air conditioner in which a refrigerant circulates and which comprises a compressor, a first heat exchanger, a first expansion valve, a second heat exchanger, and a control device. The control device changes the degree of opening of th...  
WO/2019/102967A1
The present invention addresses the problem of providing a novel eco-friendly azeotrope-like composition. This azeotrope-like composition comprises Z-1-chloro-3,3,3-trifluoropropene (1233zd(Z)), ethanol (EtOH), and water (H2O). In one em...  
WO/2019/097612A1
This oil separator includes: first piping (3) connected to the discharge side of a compressor; a second piping connected to the suction side of the compressor; a pressure difference generation mechanism (4) including third piping (6) whi...  
WO/2019/097620A1
Provided is an air conditioner with which control can be performed appropriately in the event of a leakage of refrigerant. This air conditioner (100) comprises: a refrigerant circuit (10); a refrigerant leakage sensor (25) which detects ...  
WO/2019/091240A1
A heating circulation system for air conditioning, and an air conditioner. The heating circulation system for air conditioning comprises a compressor (1), an indoor heat exchanger (2), a first throttling device (3), and an outdoor heat e...  
WO/2019/093420A1
A refrigerant circuit (2) has: a first flow path (C1) through which the downstream side of a first evaporator (11) and the upstream side of a lower-stage side compressor (3) are connected; a first valve (21) that opens/closes the first f...  
WO/2019/093210A1
This refrigerating and air-conditioning apparatus comprises: a refrigerant circuit that has a compressor (21), an outdoor heat exchanger, a pressure reducing mechanism (13), a liquid side stop valve, an indoor heat exchanger, and a gas s...  
WO/2019/094737A1
A heat exchange system includes a first reservoir having a first and second point and a first thermal material contained in the first reservoir. A first thermal contact is thermally coupled with the second point. Application of a force t...  
WO/2019/093867A1
The present invention relates to a gas heat pump system. A gas heat pump system according to an embodiment of the present invention comprises: an air-conditioning module comprising a compressor, an outdoor heat exchanger, an expansion de...  
WO/2019/093422A1
A heat pump comprises: a low-stage compressor (3); a high-stage compressor (4) connected in series to the downstream side of the low-stage compressor (3); a condenser (5) connected to the downstream side of the high-stage compressor (4);...  
WO/2019/093986A2
The present invention relates to air-conditioning system comprising an interface (1) that includes a body (10) which is provided with an opening (11) and can keep the mouth of the carrying device open in a fixed form and at Ieast two han...  
WO/2019/087407A1
Provided is an air conditioning device whereby refrigerant suddenly pooling in a condenser can escape from the condenser. The air conditioning device (100) comprises: a plurality of indoor units (20) each having an electrically operated ...  
WO/2019/087406A1
The purpose of the present invention is to provide an air conditioning device with which it is possible to release, from a condenser, a refrigerant liquid that is quickly being retained in the condenser. This air conditioning device (100...  
WO/2018/138796A9
In a refrigeration cycle device, a refrigerant circulates through a compressor, a condenser, an expansion valve, and an evaporator in this order. This refrigeration cycle device is provided with a detecting part (100), a heating part (50...  
WO/2019/087405A1
In order to provide an air conditioning device in which a refrigerant liquid retained in a condenser can be released from the condenser, this air conditioning device (100) is provided with: a refrigerant circuit formed by connecting a co...  
WO/2019/087632A1
This air conditioner comprises: an indoor heat exchanger; an indoor fan; an indoor discharge port; an up/down air direction plate; an indoor heat exchanger temperature sensor; and a control device. The control device has an air volume co...  
WO/2019/087630A1
An air conditioner includes a compressor, the operation frequency of which is variable, and a controller for executing compressor protection control to raise the operation frequency of the compressor to a required operation frequency at ...  
WO/2019/087400A1
An air conditioning device (1) having: a refrigerant circuit (10) constituted by compressors (21a, 21b), radiators (23a, 23b), expansion valves (31a–31d), and evaporators (32a–32d) that are connected therein; and a control unit (19) ...  
WO/2019/085501A1
Disclosed are a compressor (100) and an air-conditioning system having same. The compressor (100) comprises a housing (10), a pump body assembly and an enthalpy-adding component (70), wherein the pump body assembly comprises: a first-lev...  
WO/2019/087037A1
The thermodynamic system (5) comprises a heat pump (7), a cooling circuit (9) adapted to circulate a heat-transferring fluid in heat exchange relationship with a cold side (7F) of the heat pump (7), a heating circuit (11) adapted to circ...  
WO/2019/087408A1
Provided is an air conditioning device capable of avoiding wet operation of a compressor. The air conditioning device (100) has: a plurality of indoor units (20) each having a motor-operated valve (21) and an indoor heat exchanger (22) a...  
WO/2019/089559A1
A heat pump water heater has a tank, a heat source, and a heat pump system. The heat pump system has a refrigerant path, at least a portion of which is in thermal communication with the water tank volume so that heat transfers from refri...  
WO/2019/087346A1
Provided is a refrigeration cycle device wherein a refrigerant is circulated in order through a compressor, a first heat exchanger, an expansion valve, and a second heat exchanger during heating operation. A first valve is connected betw...  
WO/2019/087882A1
A liquid temperature adjustment apparatus 1 is provided with: a refrigeration device 10 having a refrigeration circuit 16 in which a compressor 11, a condenser 12, a first expansion valve 13, and a first evaporator 14 are connected in th...  
WO/2019/087629A1
A cooler (11) cools target equipment (2) by using latent heat from vaporization of a hydraulic fluid. A cold heat source-type heat exchanger (12) uses the cold heat of a low-temperature, low-pressure refrigerant circulating through a fre...  
WO/2019/087401A1
This air conditioning device (1) has: a refrigerant circuit (10) configured by connecting a compressor (21), a heat radiator (23), expansion valves (31a-31d), and evaporators (32a-32d); and a control unit (19) that controls the compresso...  
WO/2019/087305A1
This compressor is provided with a hermetically sealed container inside which an electromotive element and a compression element are housed, a leg portion for securing the hermetically sealed container, provided on a bottom surface porti...  
WO/2019/082267A1
This geothermal heat pump system has a heat pump device, a hot water heating device, and a control device. The heat pump device has: a compressor; a first heat exchanger in which heat exchange is performed between a refrigerant and water...  
WO/2019/082783A1
Provided are: a heat sink that suppresses excessive cooling of electronic components that do not require excessive cooling, and with which it is possible to cool, with high efficiency, only electronic components requiring cooling; and a ...  
WO/2019/082372A1
A refrigeration cycle device (200) is provided with: an outdoor unit (101) including a compressor (1), a first heat exchanger (3), and a first expansion valve (41); an indoor unit (102) including a second expansion valve (42) and a secon...  
WO/2019/082331A1
This refrigeration air-conditioning device has: a refrigeration circuit in which a compressor, a condenser, an expansion unit, an evaporation unit, and an accumulator are connected via piping and a non-azeotropic mixed refrigerant is cir...  
WO/2019/082377A1
This heat pump system is provided with: a first air-conditioning apparatus which includes a compressor, an outdoor-side heat exchanger, a throttle device, and an indoor-side heat exchanger and which performs air-conditioning of a first s...  
WO/2019/082484A1
The purpose of the present invention is to provide an accumulator that is capable of preventing pressure ripples generated on the suction side during a compressor operation from propagating to an evaporator or the piping of an air condit...  
WO/2019/080967A1
The invention relates to a refrigeration system (1) which is designed with a primary circuit (2) for circulating a first working fluid using a first heat exchanger (6) and a secondary circuit (3) for circulating a second working fluid an...  
WO/2019/078138A1
Provided are a refrigeration cycle control device, a heat source device, and a control method therefor, with which a stable low-load operation can be achieved without using a hot gas bypass pipe. In the present invention a turbo refriger...  
WO/2019/078165A1
Provided is a refrigerant composition that combines ASHRAE non-flammability, high freezing capacity, and relative to HFC-134a, a lower GWP and an equivalent coefficient of performance (COP). The refrigerant composition includes HFO-1234z...  
WO/2019/077906A1
A heat pump cycle comprising a compressor (11), a heat exchanger (12), a gas-liquid separator (17), and an outdoor heat exchanger (15). The heat pump cycle further comprises a main circuit (10) which is formed by connecting the compresso...  
WO/2019/073517A1
This air conditioning device has a refrigerant circuit in which are connected by piping: a compressor to compress and deliver refrigerant that has been taken in; a channel switching device to switch a channel between a cooling-side chann...  
WO/2019/073591A1
Each of a plurality of temperature adjusting devices (50) is configured so that the amount of heat transfer between an inflow medium, which is a liquid medium supplied to a corresponding indoor heat exchanger (2), and an outflow medium, ...  
WO/2019/074108A1
In order to reduce the effect on a compressor caused by foaming in an oil tank, a control unit for controlling an oil pump starts the oil pump before a compressor is started (SA1), starts the compressor (SA4) when an oil supply different...  
WO/2019/073596A1
A refrigeration cycle device (100) is provided with: a main circuit section (101), which has a compressor (1), a condenser (3), and an expansion valve (4), and in which a mixed refrigerant flows through the compressor (1), the condenser ...  
WO/2019/073514A1
This refrigeration cycle device is provided with: a refrigerant circuit, wherein a compressor, a flow channel switching device, an outdoor heat exchanger, an expansion unit, and an indoor heat exchanger are connected by means of a pipe, ...  

Matches 351 - 400 out of 50,250