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Matches 1 - 50 out of 2,659

Document Document Title
WO/2022/161214A1
The utility model discloses a refrigeration device. The refrigeration device comprises a box body, a compressor compartment is provided in the box body, a first air inlet and a first air outlet are provided in the compressor compartment,...  
WO/2022/119698A1
A refrigerant compressor according to an exemplary aspect of the present disclosure includes, among other things, a cooling jacket including a plurality of perforations configured to cause refrigerant flowing through the perforations to ...  
WO/2022/118730A1
This refrigeration system uses a Brayton cycle to generate cooling using a refrigerant compressed by a compressor unit positioned in a refrigerant path. The compressor unit includes: a plurality of compressors positioned in parallel to e...  
WO/2022/111759A1
A compressor comprises a compressor housing (1), a fastening device (2) arranged on the compressor housing, and a support device (3), connected to the fastening device (2), for a temperature sensor (4), the support device (3) being desig...  
WO/2022/111224A1
An oil return control method and apparatus, and a multi-split air conditioner. The method comprises: determining the average length, first correction coefficient and second correction coefficient of a connecting pipe between indoor and o...  
WO/2022/112910A1
The present invention relates to a compressor device (1 ) comprising: - a compressor installation (2) having at least one compressor element (3a, 3b, 3c) for compressing a suctioned gas, the compressor element (3a, 3b, 3c) being driven b...  
WO/2022/105469A1
Disclosed in the present disclosure are an oil return control method and apparatus for an air conditioning system, and the air conditioning system. The method comprises: once a compressor of the air conditioning system starts up and oper...  
WO/2022/101139A2
The invention relates to a temperature control system, comprising: a medium to be temperature-controlled, with which at least one heat exchanger for absorbing heat from the medium interacts; a refrigerant circuit which supplies refrigera...  
WO/2022/103005A1
A refrigeration cycle device includes a compressor. The compressor may comprise: a casing; a drive unit disposed in the casing; a compression unit coupled to the drive unit and configured to compress a refrigerant; and a valve configured...  
WO/2022/097673A1
The present invention provides an air-conditioning device in which a vibration alleviation pipe is provided at the regions where the piping diameters of discharge piping and intake piping are greatest, thus making it possible to prevent ...  
WO/2022/088813A1
Provided by the present disclosure are a compressor, a dual-compressor series heat pump unit, and a control method therefor, wherein the compressor comprises a first compression part and a first driving part. The first driving part is ar...  
WO/2022/082958A1
A compressor (100) and a refrigeration apparatus. The compressor (100) comprises a housing (110), a first air outflow port (112) and a second air outflow port (114) provided on the housing (110), a first cylinder (140) comprising a first...  
WO/2022/069147A1
The invention relates to a method for monitoring the oil level of an oil-lubricated compressor, comprising the following steps: reading at least one oil level sensor (21, 21a, 21b), by means of which an oil level representing the compres...  
WO/2022/072533A1
A compressor (36) of a heating, ventilation, and air conditioning (HVAC) system (30) includes a casing (104) having an inner volume (106) and an inner surface (112) defining the inner volume (106), where the inner volume (106) is configu...  
WO/2022/070510A1
A refrigerant circuit (15) comprises: a first compressor (21) that is connected to a first inlet pipe (21s) and a first discharge pipe (21d) and compresses a refrigerant; a second compressor (22) that is connected to a second inlet pipe ...  
WO/2022/065654A1
Disclosed is a refrigeration cycle apparatus with improved system efficiency. The refrigeration cycle apparatus may comprise: a compressor including a suction pipe and a discharge pipe, and provided so as to compress a refrigerant; an oi...  
WO/2022/064053A1
The invention relates to a method for controlling a fixed-displacement compressor (3) for an air-conditioning system (1) of a combustion motor vehicle, said compressor (3) being connected to the engine (M) of the motor vehicle by an elec...  
WO/2022/048175A1
A gas supply system of a gas bearing for a compressor, an operation method and a refrigeration system. The gas supply system of a gas bearing for a compressor comprises: a first compressor (1) and a refrigeration cycle path in which the ...  
WO/2022/051299A1
A heating, ventilation, and/or air conditioning (HVAC) system includes an electrical enclosure having a compressor variable speed drive (VSD) and a condenser fan VSD disposed within the electrical enclosure. The compressor VSD is configu...  
WO/2022/037409A1
An oil return pipe (40), a separator (100), and a refrigeration system (1000). The oil return pipe (40) is connected to a separator body (101), which comprises a shell (10) and an air output pipe (20) connected to the shell (10); and the...  
WO/2022/033714A1
Simplified closed loop refrigeration system adapted for cryogenic temperatures comprising: a gaseous refrigerant circulating inside the closed loop refrigeration system, a compression section for compressing the refrigerant with at least...  
WO/2022/033721A1
System comprising : a pressurized casing (2) delimiting an enclosure for at least one machine (3); a cooling device (4) including: a cooling jacket (5) located inside the pressurized casing (2); at least one removable sealing element bet...  
WO/2022/026897A1
A compressor for a heating, ventilating, air conditioning, and refrigeration (HVAC&R) system includes an impeller that has a hub defining an impeller tip, a plurality of blades coupled to the hub and defining a plurality of flow paths co...  
WO/2022/018803A1
A cold heat source unit (5) can be connected to a load device (3) equipped with an expansion valve (50) and an evaporator (60), and constitutes a refrigerant circuit (4) that is configured so as to circulate a refrigerant. The cold heat ...  
WO/2022/007343A1
The present application provides an air conditioning unit, comprising: a gas-liquid separator, the gas-liquid separator being provided with an oil discharging port; and an oil pumping assembly, the oil pumping assembly being connected to...  
WO/2022/008529A1
The present invention relates to a lubricant reservoir for a compressor system of a heat pump, in particular a high-temperature heat pump, said lubricant reservoir comprising a receiving space (1) for lubricant (2) having at least one re...  
WO/2022/001019A1
Disclosed are a compressor and a refrigerating device. The compressor (1) comprises a housing (10), a compression assembly (12), an electric motor (13), an oil sump (14), and an oil return channel (15). A cavity (11) is formed in the hou...  
WO/2021/254747A1
A refrigeration appliance, in particular a domestic refrigeration appliance, comprises a compressor (4), a condenser (5) and a pressure line (7) that extends between the compressor (4) and the condenser (5). A pressure pulsation damping ...  
WO/2021/235727A1
A heat pump system using the air heat of BIPVT includes a cooling plate heat exchanger that is installed so as to be in contact with a heat emission unit of an inverter, wherein refrigerant that has yet to be suctioned into a compressor ...  
WO/2021/227475A1
An accumulator and a manufacturing method therefor, and a compressor having an accumulator. The accumulator comprises a cylindrical body (1), an air inlet pipe (2), an air outlet pipe (3), and a valve (4); the valve (4) comprises a parti...  
WO/2021/225093A1
A HVAC system refrigeration circuit is provided. Embodiments of the present disclosure relate to a refrigeration circuit configured to balance the oil carryover between multiple compressors using a single refrigeration circuit. Embodimen...  
WO/2021/218141A1
An air-conditioner outdoor unit (1). The air-conditioner outdoor unit (1) comprises: a housing (100); a compressor (200), wherein the compressor (200) is mounted in the housing (100); a reservoir (300), wherein the reservoir (300) is mou...  
WO/2021/221806A1
This disclosure relates to refrigerant compressors, and, in particular, relates to cooling for the power electronics of such compressors. An example refrigerant system includes a main refrigerant loop in communication with a condenser, a...  
WO/2021/208520A1
The present invention relates to the technical field of air conditioning, and in particular to an oil return control method for a compressor of an air conditioner. The present invention aims to solve the problem of liquid compression cau...  
WO/2021/209099A1
A method for cooling preferably onboard a ship is provided, in which a working medium is pressurized in compressors in two steps, cooled down in a working medium high pressure cooler, collected in a receiver tank, further exposed to cool...  
WO/2021/208197A1
The present invention relates to a double-compressor air-source cold-water heat pump unit and a control method therefor. The double-compressor air-source cold-water heat pump unit comprises a compressor I and a compressor II; air dischar...  
WO/2021/204112A1
Disclosed is a screw compressor (100), comprising a screw compressor housing (101), a discharge cavity (113), at least one silencing channel, and at least one adjustment piston, wherein the discharge cavity (113) is defined by at least o...  
WO/2021/207703A1
Techniques are disclosed for systems and methods to reduce the overall physical size of and mechanical vibrations within a cryocooler/refrigeration system configured to provide cryogenic and/or general cooling of a device or sensor syste...  
WO/2021/200129A1
An intermediate plate (5) is supported by a bottom member (3) with a plurality of second elastic members (12) therebetween. A first compressor (10) is supported by the intermediate plate (5) with a plurality of first elastic members (11)...  
WO/2021/173268A1
A method for designing a compressor operable to compress a refrigerant. The method may include determining operating conditions for the compressor. The method may also include weighting the operating conditions. The method further includ...  
WO/2021/169541A1
An air conditioning system and a control method therefor. The air conditioning system comprises: a compressor (1), an indoor heat exchanger, a subcooler (8), an outdoor heat exchanger (5), and a gas-liquid separator (13) that are connect...  
WO/2021/169213A1
The present disclosure relates to an oil balancing device for a multi-split air conditioning system. The oil balancing device comprises: an oil balancing pipe for enabling an oil sump in a first compressor and an oil sump in a second com...  
WO/2021/174097A1
A compressor includes a diffuser passage configured to receive refrigerant flow from an impeller of the compressor, where the diffuser passage is at least partially defined by a compressor discharge plate of the compressor. The compresso...  
WO/2021/167613A1
This disclosure relates to an axial magnetic bearing for a centrifugal refrigerant compressor, and a corresponding system and method. A centrifugal refrigerant compressor system according to an exemplary aspect of the present disclosure ...  
WO/2021/159202A1
Captured data center waste-heat is boosted in temperature and used as the input energy for carbon capture plant. Energy in the form of waste-heat is first captured from servers and other apparatus within the data center and directed as t...  
WO/2021/152235A1
Disclosed is a motor vehicle thermal management device (1) in which a refrigerant fluid is intended to circulate, the thermal management device (1) comprising: • a main loop (A) comprising, in the direction of circulation of the refrig...  
WO/2021/144144A1
The integrated expander and motor-compressor assembly (2) comprises a compression section (9) mounted between the two radial bearings (15, 16) on a transmission shaft (10), an expander (30) cantilevered at a free end of the transmission ...  
WO/2021/114741A1
The present disclosure provides an air conditioning system, comprising a condenser, a flash tank and at least one cooling channel; the condenser is in communication with the flash tank by means of the cooling channel, the cooling channel...  
WO/2021/098423A1
A crankshaft (100), comprising: a first shaft (110), a second shaft (130), a first crank arm (120), a second crank arm (140) and a recess portion (121). The first crank arm (120) is provided at one end of the first shaft (110), a first o...  
WO/2021/082240A1
An air conditioning unit and a compressor cooling control method therefor, relating to the technical field of air conditioners, and aiming to solve the problem of poor compressor cooling control manner of an existing air conditioning uni...  

Matches 1 - 50 out of 2,659