Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 47,002

Document Document Title
WO/2018/105271A1
Provided are: a heat transport device, in which a coolant containing a hydro(halo)olefin is sealed in a circulation path, and which is capable of suppressing the influence of oxygen mixed in the circulation path; and a heat transport met...  
WO/2018/105039A1
This air conditioning apparatus is provided with: a refrigerant circuit connecting an outdoor unit and a plurality of indoor units; an on-off valve provided to, among a plurality of refrigerant pipes, a refrigerant pipe through which a r...  
WO/2018/106207A1
A method for recovering heat energy from environmental air comprises adiabatically compressing a stream of atmospheric air, with an increase in the temperature and pressure thereof, in two stages. After the second stage, an active stream...  
WO/2018/105702A1
A heat source system comprises: a heat source device; a cooling tower-side outward path and a cooling tower-side return path that are connected to the heat source device; a load-side outward path and a load-side return path that are conn...  
WO/2018/105102A1
A pressure-regulating valve is disposed in this heat pump device having: a refrigerant circuit in which a compressor, a heat source heat exchanger, an expansion mechanism, and an intermediate heat exchanger are sequentially connected via...  
WO/2018/100712A1
A refrigeration cycle device has: a refrigerant circuit through which a refrigerant flows and in which a compressor, a first heat exchanger, an expansion section, and a second heat exchanger are connected by pipes; a pressure detector th...  
WO/2018/100729A1
This refrigeration cycle device has: a heat source unit including a compressor; an indoor unit which performs heat exchange between air in a space to be air-conditioned and a refrigerant flowing and circulating through an air-conditionin...  
WO/2018/100711A1
Provided is a refrigeration device whereby overcooling of a heat-generating body and formation of frost can be suppressed. A refrigeration device is provided with: a refrigerant circuit (A) provided with a compressor (1), a condenser (2)...  
WO/2018/100995A1
This air conditioning device (100), which is installed in a vehicle, is provided with a gas-liquid separator (27) which separates liquid-phase refrigerant and gas-phase refrigerant, guides, to a compressor (21), the gas-phase refrigerant...  
WO/2018/101439A1
The purpose of the invention is to provide a method for determining pipe diameter for a refrigerating device with which it is possible to reduce the amount of refrigerant to be filled, a device for determining pipe diameter, and a refrig...  
WO/2018/097124A1
Provided is an air conditioning device which has a plurality of compressors connected in parallel, and can be operated at high efficiency regardless of the magnitude of a required load. This air conditioning device is provided with: a fi...  
WO/2018/097154A1
Provided is a refrigeration device that enables the execution of a novel control method which can prevent refrigeration machine oil from an oil separator not being sufficiently returned and only discharged gas refrigerant being returned ...  
WO/2018/096580A1
This refrigeration cycle device is provided with: a first refrigerant circuit, which includes a first compressor, a first heat exchanger, a first refrigerant flow channel of a second heat exchanger, a first decompression unit, a third he...  
WO/2018/096869A1
Provided is a vehicle air conditioning device comprising: a compressor (11); a radiator (12); an outdoor heat exchanger (20); an evaporator (23); a first depressurizing unit (13a), a second depressurizing unit (22a), switching units (25a...  
WO/2018/097310A1
Provided is a method for transfer-filling a refrigerant composition containing three components, i.e., difluoromethane, pentafluoroethane and 1,1,1,2-tetrafluoroethane, whereby it becomes possible to keep the fluctuations in a liquid pha...  
WO/2018/097138A1
Provided is a refrigerating device that has excellent workability, maintainability, and economy. A refrigerating device (100) comprises: a use-side expansion valve (31) that changes the degree of opening according to an upstream refriger...  
WO/2018/096655A1
Provided is a refrigeration cycle device that comprises a plurality of outdoor units (50a, 50b). Each of the plurality of outdoor units (50a, 50b) includes an outdoor heat exchanger (2a, 2b), a compressor (1a, 1b), and a sensor (51, 5b) ...  
WO/2018/092854A1
This refrigerant compressor comprises: an electric drive element; a compression element driven by the electric drive element to compress a refrigerant and having a pair of sliding members facing each other and moving relative to each oth...  
WO/2018/092299A1
This air conditioner comprises: a circuit; a bypass pipe which connects the portion between a heat-source-side heat exchanger and expansion units and the upstream side of an accumulator; a bypass opening and closing device which is provi...  
WO/2018/090775A1
Disclosed are air conditioner control method and device and an air conditioner. The method includes: receiving a compressor shut-down signal sent by a user in a compressor operation mode (101); and in response to the compressor shut-down...  
WO/2018/092464A1
This refrigeration cycle device is provided with switching units (38, 39) which switch between: a state in which a heat medium in a first heat medium refrigerant heat exchanger and a heat medium in a second heat medium refrigerant heat e...  
WO/2018/088166A1
[Problem] To provide an accumulator with an integrated internal heat exchanger, and a refrigeration cycle using this accumulator with an integrated internal heat exchanger, with which heat exchange efficiency between a low-temperature re...  
WO/2018/088033A1
A refrigeration cycle device is provided with: a gas-liquid separator (14) for separating gas and liquid refrigerant decompressed in a high stage-side decompression unit; low stage-side decompression units (17, 18, 18a) for decompressing...  
WO/2018/089336A1
A heat pump system comprises: a main heat exchange circuit, comprising a two-stage compressor (100a,100b), a condenser (200), a throttle element (300a,300b) and an evaporator (400), which are connected in sequence to form a circuit; an e...  
WO/2018/088025A1
A refrigeration cycle device is provided with: a decompression device control unit (40b) for controlling the operation of a decompression device; a target supercooling degree determination unit (S9) for determining the target supercoolin...  
WO/2018/088034A1
This refrigeration cycle device is provided with pressure pulsation reduction units (15b, 15c, 15d) that reduce pressure pulsation of a refrigerant in a gas-phase refrigerant path (15). One example of the pressure pulsation reductions un...  
WO/2018/088169A1
[Problem] The present invention addresses the problem of providing a heat exchanger whereby weight can be reduced and corrosion resistance can be improved. [Solution] Each of a heat exchanger 22 for heating and a heat exchanger 23 for co...  
WO/2018/089343A1
Systems and methods for multi-stage refrigeration in mixed refrigerant and cascade refrigeration cycles using one or more liquid motive eductors in combination with a pump.  
WO/2018/086474A1
A low-temperature rapid freeze-drying system comprises a refrigeration circuit, a rapid free-drying circuit, and an adsorption drying circuit. The refrigeration circuit comprises a compressor unit (CU), a first heat exchanger (HX1), an a...  
WO/2018/083981A1
An electric compressor (3) according to the present invention comprises a compression mechanism section (33) that compresses a refrigerant, and an electric motor (24) that drives the compression mechanism section (33), inside a sealed co...  
WO/2018/084828A1
The present disclosure relates to the field of air conditioning technology. In particular, it involves a control method and control device based on a DC variable speed AC compressor.  
WO/2018/079034A1
A refrigeration cycle 20 provides a heat pump cycle apparatus. An outdoor heat exchanger 22 is used as a condenser in cooling operation and second dehumidification/heating operation. The outdoor heat exchanger 22 is used as an evaporator...  
WO/2018/080446A1
The present disclosure relates to the field of air conditioning technology. In particular, it involves a control method and control system based on a variable speed AC compressor.  
WO/2018/078883A1
This refrigeration cycle device (100) circulates a refrigerant through a compressor (1), an oil separator (2), a condenser (3), an expansion valve (4), an evaporator (5), and an accumulator (6) in this order. This refrigeration cycle dev...  
WO/2018/078809A1
This refrigeration cycle device (50) comprises a refrigerant circuit which circulates a nonazeotropic refrigerant mixture. The refrigerant circuit includes a compressor (1), an outdoor heat exchanger (5), an indoor heat exchanger (8), an...  
WO/2018/078808A1
An air conditioner (10) is provided with a refrigerant circuit (13) and a refrigerant. The refrigerant circuit (13) includes a compressor (1), a condenser (2), a pressure adjustment valve (3), and an evaporator (4). The refrigerant is R3...  
WO/2018/076734A1
Provided is an air-conditioning system (100), comprising: a compressor (1), in which a variable frequency motor (11) is arranged; a condenser (2) comprising a first refrigerant flow passage and a first water flow passage; an evaporator c...  
WO/2018/076364A1
A refrigeration apparatus (100), comprising: a compressor (1), the compressor (1) being provided with an air exhaust opening (10) and an air return opening (11); a condenser (2), a first end of the condenser (2) being connected to the ai...  
WO/2018/079731A1
Provided is a refrigeration device that can reduce, to be small, deficiency/excess differences in the amount of refrigeration machine oil between compressors in the case where a plurality of compressors are connected in parallel. The pre...  
WO/2018/078729A1
Provided is a refrigeration cycle device (1) with which a pump-down operation can be executed while suppressing a reduction in performance. The refrigeration cycle device (1) comprises: an outdoor heat exchanger (7); a compressor (5) hav...  
WO/2018/079238A1
This refrigeration device is provided with: a heat exchanger (32) which condenses a refrigerant compressed in a compressor (31); a receiver (34) which separates, into a gas refrigerant (RG) and a liquid refrigerant (RL), the refrigerant ...  
WO/2018/079242A1
A condensing unit (3) is provided with: a compressor (31) which compresses a refrigerant; a gas cooler (32) which condenses the refrigerant compressed in the compressor (31); an electronic expansion valve (33) which expands the refrigera...  
WO/2018/079226A1
This refrigeration device (3) is provided with: multiple compressors (31) each of which has an oil pod (315) storing a lubricant oil; a level sensor (318) which detects when the level of the lubricant oil in the oil pods (315) falls to a...  
WO/2018/073994A1
A radiator (5) comprises a substantially cylindrical tube (11), and a vortex forming body (21) that is disposed on one end in a channel (11B) in the tube and that generates a vortex in a gas medium that flows from the one end of the chan...  
WO/2018/074111A1
Provided is a vehicular air conditioning device that can continue operation for as long as possible even when information pertaining to an interior air blower cannot be obtained. The vehicular air conditioning device is provided with a c...  
WO/2018/074370A1
Provided is a refrigeration system which is capable of changing the number of corresponding compressors in accordance with the loads of refrigerating evaporators and freezing evaporators. Compressors (10) which perform two-stage compress...  
WO/2018/074112A1
To appropriately estimate a heating temperature according to an operation mode, and to achieve comfortable vehicle interior air conditioning. A vehicular air conditioning device 1 is provided with a compressor 2, an air flow passage 3, a...  
WO/2018/074272A1
The purpose of the present invention is to provide a refrigeration device which introduces a refrigerant which has changed state as a result of defrosting, into another cooling unit via a defrosting liquid pipe, and evaporates said refri...  
WO/2018/073917A1
This heat pump device is provided with: a housing for containing a compressor which compresses a refrigerant, a first heat exchanger which exchanges heat between a refrigerant and air, a blower, and a second heat exchanger which exchange...  
WO/2018/074452A1
Provided is a refrigerating device that ensures safety while inhibiting cost increases. A refrigerating device (100), which performs a refrigeration cycle in a refrigerant circuit (RC) that includes a compressor (11), a heat source-side ...  

Matches 1 - 50 out of 47,002