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WO/2023/201220A1 |
A cryogenic expansion turbine system (10) includes a turbo-expander (12) configured to receive and expand a cryogenic gas feed stream (24). A rotary shaft (16) operatively connects the turbo-expander and a resistance device, such as a co...
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WO/2023/201065A1 |
A method for increasing working gas flow rate through gas bearings of a free piston, gamma configured Stirling heat pump to avoid failure of the gas bearings while maintaining thermal cooling power. The Stirling heat pump lifts heat from...
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WO/2023/196043A1 |
The description relates to devices and air cooling of devices. One example can include a heat generating component positioned in a housing and a temperature-based gas separation assembly configured to receive ambient air and to separate ...
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WO/2023/196979A2 |
An apparatus for cooling one or more samples includes a cryostat with a first wall forming an inner chamber with an opening for receiving the one or more samples. A second wall forms an outer chamber adapted to insulate the inner chamber...
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WO/2023/194455A1 |
Method involving a flexible heat pump actuated by recuperated environmental energy and associated device. The method that forms the subject of the invention is a method for producing heat and cold in a flexible material comprising gas-fi...
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WO/2023/186838A1 |
A magnetic valve controls fluid flow through a tube. The valve includes a first diode and a first solenoid connected between first and second terminals; a second diode and a second solenoid connected between the first and second terminal...
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WO/2023/189805A1 |
Provided is a method for operating a cryogenic refrigerator. The cryogenic refrigerator is provided with an expander having an expander motor which is connected to a power source by means of a power supply cable and which can be driven a...
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WO/2023/169709A1 |
The invention relates to a fluid circulation device comprising a casing (2) containing an electric machine (3), a cycle-gas circuit (5) subjecting the cycle gas to a change between a minimum pressure and a maximum pressure, a cycle-gas d...
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WO/2023/172251A1 |
Systems and methods for regenerative ejector-based cooling cycles that utilize an ejector as the motivating force in a cooling loop to regeneratively sub-cool a refrigerant in a single-stage cooling cycle.
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WO/2023/163614A1 |
An arrangement for generating heat and cold relates to the field of energy production and can be used in gas compression and expansion devices in order to improve the efficiency of gas expansion and compression systems. The present arran...
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WO/2023/161594A1 |
The invention relates to a mobile cryogenic cooling system comprising: o at least one compressor (1a, 2a) to compress a cryogenic gas and at least one radiator (1b, 2b) to cool the compressed cryogenic gas, o at least one expansion valve...
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WO/2023/156047A1 |
Refrigeration device comprising a working circuit (10) of working fluid forming a cycle comprising a mechanism (2, 3) for compression, cooling, expansion and heating, an electric motor (11) driving in rotation a shaft (15) which carries ...
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WO/2023/156801A1 |
A cryogenic cooling system is provided comprising a cryogenic refrigerator assembly and two or more connected modules. The cryogenic refrigerator assembly comprises one or more cryogenic refrigerators. Each said connected module comprise...
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WO/2023/151942A1 |
A device for converting thermal energy of an external heat source into electrical energy is disclosed. The device comprises: - a positive electrode half-cell comprising a positive electrode and a positive electrode electrolyte comprising...
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WO/2023/154461A1 |
Methods for forming an improved, centralized refrigeration systems comprising: (a) providing an existing refrigeration circuit with an existing high GWP refrigerant; (b) disconnecting the fluid connection between the existing liquid refr...
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WO/2023/147671A1 |
A dilution refrigerator and a method for operating same as described. The dilution refrigerator comprising a plurality of cryostats each comprising a plurality of temperature-controlled flanges inside a vacuum chamber, the temperature-co...
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WO/2023/149130A1 |
The present invention relates to a first-stage displacer (24) for a Gifford McMahon (GM) refrigerator. The first-stage displacer (24) comprises: a first-stage displacer body (26); an upper cap (25) attached to the upper end of the first-...
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WO/2023/149147A1 |
The purpose of the present invention is to provide a refrigeration machine control method, a refrigeration machine control program, and a refrigeration machine, whereby it is possible to improve the cooldown speed while preventing surgin...
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WO/2023/145730A1 |
A cold storage material according to an embodiment comprises: a rare earth oxysulfide including a rare earth element; a garnet-type rare earth oxide including a rare earth element and Al; and aluminum oxide, wherein the ratio of an X-ray...
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WO/2023/145302A1 |
A cryogenic cooling device (10) comprises: a cooling system (16) equipped with a cryogenic refrigerator (20) that cools a refrigerant, a cooling stage (30) that is disposed separately from the cryogenic refrigerator (20), and a refrigera...
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WO/2023/135223A1 |
The invention relates to a device (100) for expanding a gas having a main expansion valve (105) and at least one main thermodynamic system (120) using a heat transfer fluid (125) for heating the gas to be expanded upstream of the main ex...
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WO/2023/127766A1 |
The present invention is provided with a chamber 10 according to one embodiment, an air refrigeration cycle device 20, and a rectifying plate 40 that is disposed inside the chamber 10 and extends in the vertical direction. The rectifying...
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WO/2023/128176A1 |
The present invention relates to a gas cycle heat pump, and to a device capable of transmitting heat from one point to another, the device comprising: a compression unit having a compressed gas flow path connected from a compressed gas s...
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WO/2023/118041A1 |
The invention relates to a thermoacoustic machine (1) comprising a control device (14) configured to modulate the acoustic power generated by one or more acoustic sources (6-9) such that the temperature of an external source (2) connecte...
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WO/2023/120053A1 |
Provided is a refrigeration container including: a container body; an air refrigerant line having a suction port and a discharge port that are disposed inside the container body; a compressor that is provided in the air refrigerant line ...
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WO/2023/108224A1 |
The present invention relates to an integrated air-conditioning (A/C) circuit for a Carbon Dioxide (CO2) refrigeration system having a CO2 based refrigerant circuit including a high pressure refrigerant cooling heat exchanger that passes...
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WO/2023/106700A1 |
The present invention relates to a refrigerant composition for an air conditioning device, the refrigerant composition having characteristics similar to those of R410A, having a sufficiently low GWP, and comprising trifluoroethene and tr...
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WO/2023/105964A1 |
A method for disassembling a cryogenic freezer, the cryogenic freezer being equipped with: a housing (20) having a lower opening (21); a lower cover that closes the lower opening (21); a scotch yoke shaft (45) that is housed in the housi...
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WO/2023/099185A1 |
The invention relates to a thermoacoustic machine (1) with several acoustic sources (6-9), equipped with a device (15) for modulating the phase shift between moving elements of the sources (6-9) according to an actual measured phase shift.
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WO/2023/099892A1 |
Disclosed herein is a cryogenic adsorption refrigerator for cooling a thermal load, the cryogenic adsorption refrigerator comprising: an adsorption pump comprising a chamber containing an adsorbent material; an evaporator arranged to con...
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WO/2023/100148A1 |
The present invention describes a process for stabilizing the electrical network, by combining energy storage and generation steps, and for producing ammonia.
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WO/2023/094787A1 |
The present invention provides a vortex tube (3) for supplying a cooled stream of air (5) and a heated stream of air (7) at a temperature substantially different from ambient temperature toward a vehicle personnel compartment (17) to reg...
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WO/2023/096550A1 |
System (200) for heating a structure (10), wherein the system comprises a first heat pump (210), arranged to transfer heat to a first hot-side external liquid from a cold-side external liquid circulating in the ground (20) or a water bod...
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WO/2023/095514A1 |
A diagnostic system (100) for a cryogenic refrigerator (10) is provided with: the cryogenic refrigerator (10), which is provided with a pressure sensor (50) for measuring the pressure in the cryogenic refrigerator (10); a computation pro...
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WO/2023/088648A1 |
The invention relates to a dilution refrigeration device for obtaining very low temperatures, in particular in the range comprised between one millikelvin and one hundred millikelvins, comprising a looped working circuit (20) containing ...
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WO/2023/088841A1 |
The invention relates to a thermoacoustic cell (1) comprising a casing (14) forming a shell (15) made of a composite material, preferably obtained by filament winding.
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WO/2023/089233A1 |
A cryogenic cooling system comprises a vacuum chamber, a first support system for cold plates in said vacuum chamber, and a second support system for heat radiation shields in said vacuum chamber. Coupled to said first support system and...
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WO/2023/088607A1 |
The invention relates to a refrigeration device (1) comprising a first working circuit (10) for the circulation of a first working fluid (11), the first working circuit (10) comprising the following elements connected in series by a firs...
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WO/2023/088647A1 |
Cryogenic refrigeration device comprising an enclosure (2) delimiting a sealed space closed by a cover (3, 13), the device (1) comprising at least one cryogenic cooler (4, 40) mounted through the cover (3, 13) and having a first end loca...
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WO/2023/091492A1 |
A satellite having a cooling system to remove heat from an electric rocket engine using a working fluid. The cooling system can include a pump that circulates working fluid along a cooling loop between the rocket engine and a radiator. T...
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WO/2023/088608A1 |
The invention relates to a cryogenic refrigeration device (1) that comprises: an enclosure (2) delimiting a vacuum-sealed volume closed by a cover (3); and at least one cryogenic refrigerator (4) mounted through the cover (3) and having ...
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WO/2023/088941A1 |
A refrigeration system (1) comprising: a rod (10) and a refrigeration unit (20) that comprises a first thermal screen (30) which at least partially defines a first thermal chamber (31) and a second thermal screen (40) which is located in...
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WO/2023/083836A1 |
The invention relates to a thermoacoustic machine (1) comprising thermoacoustic cells (8, 23, 24, 25), each of which is provided with heat exchangers (12, 13), linear motors (6, 7, 21, 22) and a control member (9) configured so as to rev...
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WO/2023/077222A1 |
A dilution refrigerator, such as for a quantum computing system, includes a cryostat having a plurality of temperature-controlled flanges inside a vacuum chamber. A dilution unit is disposed inside the cryostat and operable to cool a fir...
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WO/2023/076043A1 |
The object of this invention is to increase the life of the displacer and stem seals of the reciprocating displacer of a Gifford McMahon (GM) cryogenic expander. The seal comprises a ring that is relatively long and thin and uses the pre...
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WO/2023/070161A1 |
A method of producing ammonia, including the steps of: operating a process for producing ammonia from hydrogen gas and nitrogen gas; and providing a liquid nitrogen storage; and injecting liquid nitrogen from the liquid nitrogen storage ...
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WO/2023/073624A1 |
A sensor for detecting contamination of a cryogenic refrigerant in a cryogenic refrigeration system, a method and a refrigeration system are disclosed. The sensor comprises: an inlet (10) for coupling to a cryogenic refrigerant flow path...
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WO/2023/074826A1 |
A cooling system S1 according to one embodiment comprises: a refrigeration cycle device 10 that circulates a natural refrigerant; a first cooling liquid circulation device 20 that circulates a first cooling liquid cooled by the natural r...
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WO/2023/066808A1 |
The invention relates to a cooling system (100). The cooling system (100) comprises: a refrigeration circuit comprising an evaporator (101), a compressor (102), a pressure reducer (107), a gas cooler (103) and a conduit system (104) inte...
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WO/2023/069273A1 |
Climate control systems and methods of operating them are provided that circulate a working fluid including a high glide refrigerant blend having first and second refrigerants with a difference in boiling points ≥ about 25°F at atmosp...
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