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WO/2020/149214A1 |
This method for starting a cryogenic freezer (10) comprises: increasing the volume of a high-pressure line (35) when a cold head (14) is at room temperature; thereafter cooling the cold head (14) from room temperature to cryogenic temper...
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WO/2020/135452A1 |
A temperature-regulating fan(100) includes a housing in which a chamber is formed, wherein the housing is provided with an air inlet and an air outlet communicated with the chamber, and an air flow passage is formed between the air inlet...
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WO/2020/124261A1 |
A hybrid evaporative cooler system can include an evaporative cooler, a cooling coil, and a controller. The evaporative cooler can be located in an airstream and the cooling coil can be located in the airstream downstream of the evaporat...
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WO/2020/120797A1 |
The invention is directed to an air conditioning system (2) comprising an air compressor (20); a vortex tube (14) with an inlet (14.1) fluidly connected to an outlet of the air compressor (20), a warm air outlet (14.2) and a cold air out...
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WO/2020/123293A1 |
The present invention is directed to providing a cryogenic storage device and system that can be regulated at a constant temperature for cryopreservation of biological materials. A cryogenic storage system for cryopreservation of biologi...
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WO/2020/116551A1 |
Provided is an air-conditioner (300), comprising: a first main air channel (331) with a first heat exchanger (341); a second main air channel (332) with a second heat exchanger (342, 343); and an exhaust ventilation channel (334). The ex...
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WO/2020/113949A1 |
Disclose by the present invention are a carbon dioxide air conditioner and a pressure control and protection method. Three stages of pressure limitation are configured, and different devices are employed for protection. In the first stag...
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WO/2020/108012A1 |
The present application provides an air-conditioning system with mixed working fluid, comprising: a compressor; a first heat exchanger, and the first heat exchanger communicates with an air exhaust port of the compressor, the first heat ...
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WO/2020/113011A1 |
Apparatus for staged startup of air-cooled low charged packaged ammonia refrigeration system includes motorized valves on condenser coil inlets, a main compressor discharge motorized valve, a bypass pressure regulator valve in the main c...
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WO/2020/106930A1 |
The present invention provides a refrigerant composition comprising: (a) from about 65% by weight to about 90% by weight of HFO-1234ze(E); (b) from about 10% by weight to about 35% by weight of HFO-1336mzz (E); and optionally (c) from ab...
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WO/2020/101846A1 |
A refrigeration system is disclosed by the present disclosure. The refrigeration system comprises an injector pump having a primary inlet, a secondary inlet and an outlet, wherein the primary inlet is configured to connect to an exhaust ...
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WO/2020/097263A1 |
A system and method for increasing the refrigeration capacity of a direct expansion refrigeration system having a vapor separator and a vapor ejector. After the throttling process at the expansion device, the mixture of liquid and vapor ...
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WO/2020/084725A1 |
In order to provide an air-refrigerant type refrigeration system having an increased system thermal efficiency (COP), this air-refrigerant type refrigeration system, which uses air as a working fluid and generates the necessary coldness ...
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WO/2020/083823A1 |
The present invention provides a cooling system (1), comprising a receiver tank (2), an evaporator (3), a compressor (4) and a gas cooler (5), wherein the receiver tank (2) comprises a fluid inlet (6), a liquid outlet (7) and a gas outle...
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WO/2020/084545A1 |
Refrigeration apparatus (1) having a closed circuit (C) in which a flow rate (P) of coolant circulates, said closed circuit comprising at least one main branch (M) provided with at least one main compressor (2), at least one cooling devi...
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WO/2020/072154A1 |
A HVAC system includes a compressor having a low pressure input and a high pressure output. The compressor is driven by a motor having a liquid coolant flowpath configured to cool and lubricate the motor. The motor has a coolant input an...
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WO/2020/069563A1 |
An apparatus and method powered by compressed fluid, which preferably provides both air conditioning and power generation. The apparatus includes a fluid conduit of substantially elongate form (51), a helical accelerator (80), a substant...
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WO/2020/067356A1 |
Provided are a cold storage material which has large specific heat and small magnetization in a very low temperature region and has good manufacturability, and a method of manufacturing the same. Further provided is a refrigerator which ...
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WO/2020/067654A1 |
The present invention provides a safe operating method for a refrigeration system using flammable refrigerant, wherein the refrigeration system comprises a refrigerant reservoir disposed between a condenser and an expansion valve, for co...
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WO/2020/068706A1 |
Techniques are disclosed for systems and methods to reduce mechanical vibrations within a cryocooler/refrigeration system configured to provide cryogenic and/or general cooling of a device or sensor system. A cryocooler includes a motor ...
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WO/2020/061678A1 |
The apparatus is for use with an electron microscope, a sample, a source of high pressure gas and a vacuum pump system. The apparatus includes a holder part a body part and a Joule-Thomson refrigerator. The holder part is adapted to rece...
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WO/2020/058227A1 |
The invention relates to an inertizing method for the avoidance of fire, wherein an unreactive, in particular a relatively non-flammable, product gas stream (161) is produced from a mixed gas stream (141), which mixed gas stream (141) co...
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WO/2020/059317A1 |
This pulse tube refrigerator (10) is provided with: pulse tubes each having a tube inside space; and integrated rectifiers (32) disposed at the low temperature end and/or the high temperature end of the respective pulse tubes. The integr...
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WO/2020/056177A1 |
Methods, systems, and devices for ultra or extreme-high vacuum are described. Such systems may comprise a vacuum chamber, a target within the vacuum chamber, two or more overlapping radiation shields arranged within an inner vacuum space...
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WO/2020/052123A1 |
A precooler-based transcritical CO2 heat pump system and a water path two-way valve control method. A conventional transcritical CO2 heat pump system (100) is assisted by a precooler system (200); a circulating water path is divided into...
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WO/2020/051411A1 |
Large scale field erected air cooled industrial steam condenser having heat exchanger bundles constructed with an integral secondary section positioned in the center of the heat exchanger, flanked by identical primary condenser sections....
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WO/2020/049908A1 |
Provided is a cooling container which allows a refrigeration machine to efficiently cool a body to be cooled and which allows the refrigeration machine to be maintained easily. A cooling container (10) is provided with: a container body ...
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WO/2020/049936A1 |
This cryogenic refrigerator 10 is provided with: a displacer cylinder 26; a displacer 20 arranged inside the displacer cylinder 26 and reciprocally driven by gas pressure; a collar 70 firmly coupled to the displacer 20 so as to move reci...
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WO/2020/050780A1 |
The subject of this invention is a method of heat transfer in the embedded structure of a heat regenerator and the design thereof. It regards the related heat regenerators, which operate on the principle of the described method and enabl...
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WO/2020/045675A1 |
A thermoacoustic device comprising a loop-shaped waveguide, a heat exchanger, and a heat conduction member. The loop-shaped waveguide has a medium filled therein. The heat exchanger is provided inside the waveguide and has a low-temperat...
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WO/2020/046139A1 |
In one aspect the invention provides a refrigeration system comprising: a refrigeration circuit comprising: a CO2 based refrigerant; a hot refrigerant thermal energy exchanger configured to transfer energy to a fluid in a hot energy stor...
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WO/2020/045600A1 |
A thermoacoustic device comprising a loop-shaped waveguide and a heat exchanger. The loop-shaped waveguide has a medium filled therein. The heat exchanger is provided inside the waveguide and has a low-temperature section and a high-temp...
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WO/2020/036084A1 |
Provided are: a pressure feeding unit for low-temperature fluid, the pressure feeding unit recovering and using the cold energy of a low-temperature fluid before being suctioned into a vacuum pump and the heat energy of the low-temperatu...
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WO/2020/030910A1 |
There is provided a method of reducing noise in a cryogenic cooling system associated with a mechanical refrigerator forming part of said cooling system. The method comprises: monitoring vibrations in the cooling system during operation ...
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WO/2020/024258A1 |
A refrigeration system, comprising a frame (1), and vortex tubes (2), a water flow channel (3) and a compressed gas supply mechanism (4) separately disposed on the frame (1). The vortex tubes (2) each comprise an air inlet portion (21), ...
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WO/2020/025168A1 |
The present invention pertains to a cryogenic refrigeration system and a corresponding method for increasing the cooling efficiency of the system, preferably the cooling of a thermally coupled load. Accordingly, the system (1) comprises ...
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WO/2020/022749A1 |
A cool air supplying apparatus includes a swash plate shaft connected to a motor and extending in a predetermined axial direction; a compression swash plate obliquely coupled to the swash plate shaft; a compression piston configured to r...
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WO/2020/011327A1 |
The present invention relates to an evaporator control system adapted for control of one or more evaporators of a cooling or heat-pump system. The control system is adapted to perform control of refrigerant liquid flow into evaporators b...
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WO/2020/012869A1 |
This ultra-low-temperature freezer (10) comprises: a cold head (14) having a displacer (20), a drive piston (22), an expansion chamber (34), and a piston drive chamber (46); a valve drive chamber (54); and a spool (56) that moves between...
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WO/2020/009110A1 |
A compressor (12) for an ultra-low-temperature freezer (10) comprises a high-pressure flow path (20) through which flows a high-pressure helium gas supplied to an expansion device (14) of the ultra-low-temperature freezer (10), a low-pre...
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WO/2020/002834A1 |
A part for a Joule-Thomson cooler (1), comprising a gas discharge pipe (8) and a seal (15) closing the gas discharge pipe (8), the seal (15) being capable of breaking, at least partially, under the effect of gas expansion triggered by th...
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WO/2020/006117A1 |
A climate-control system includes a first compressor and a second compressor. The first compressor includes a first inlet and a first outlet. The second compressor is in fluid communication with the first compressor and includes second a...
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WO/2019/232920A1 |
A partition component for a cold accumulator and a low-temperature refrigerator adopting the partition component. The partition component (30) comprises an annular body (31), a damping element (32), a filter assembly (33), and an annular...
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WO/2019/232918A1 |
A high-reliability low-temperature refrigerating machine, comprising a compressor (1), a cover assembly (2), an air distribution valve (6), a rotating valve (7), a motor (12), a cylinder (13), and an annular groove (23), a low pressure a...
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WO/2019/232919A1 |
Disclosed are a cold storage material and a cold storage type cryogenic refrigerator using same, wherein the cold storage material is tin alloy particles, and the content of tin in the tin alloy particle is no less than 40% and no more t...
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WO/2019/230419A1 |
A pulse tube refrigerator 10 equipped with: a cold head 14 provided with a pulse tube 16 and a cold storage unit 18, a low-temperature end of the pulse tube 16 being connected to a low-temperature end of the cold storage unit 18; a spool...
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WO/2019/225471A1 |
A rotary valve 54 for a cryogenic refrigerator comprising: a valve stator 68; a valve rotor 70; a rotary member 74 for causing the valve rotor 70 to rotate around its axis relative to the valve stator 68; and a rotor holder 72 coupled to...
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WO/2019/219928A2 |
The present invention relates to a cryocooler suitable for gas liquefaction applications, that comprises a coldhead (1) with one or more refrigeration stages (2, 3); further comprising: a refrigerator compressor (4) for distributing comp...
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WO/2019/222394A1 |
A climate-control system may include a working-fluid circuit and a cooling-fluid circuit. The working-fluid circuit may include a compressor, an outdoor heat exchanger, an expansion device, and an indoor heat exchanger. The compressor co...
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WO/2019/222539A1 |
A climate-control system includes a first working-fluid circuit, a second working-fluid circuit and a first heat exchanger. The first working-fluid circuit includes a first compressor, a second heat exchanger and a first pump. The second...
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