Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 11,778

Document Document Title
WO/2018/104410A1
Helium is frequently used as a working gas in cryo-coolers. In the temperature range from 2K to 20K, helium has a comparably high heat capacity which matches the heat capacity of rare earth compounds in said temperature range. Thus, it h...  
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/2018/105564A1
A raw material gas liquefaction device comprises: a feed line in which a raw material gas passes through a heat exchanger, a liquefied refrigerant storage tank, and a supply system JT valve, in order; a refrigerant circulation line that ...  
WO/2018/105565A1
A raw material gas liquefaction device comprises: a feed line that supplies a raw material gas; a refrigerant circulation line that circulates refrigerant and that has a turbine expander to generate cold heat by expanding the refrigerant...  
WO/2018/101273A1
A GM refrigerator 10 that comprises: a first cold head 14a that comprises a first displacer 20a that is capable of reciprocal movement in the axial direction, a first drive piston 22a that drives the first displacer 20a in the axial dire...  
WO/2018/102380A1
A method and system for improving energy efficiency of a refrigeration system include system components such as a condenser, one or more expansion valves, an evaporator, one or more compressors, and a system controller electrically coupl...  
WO/2018/101271A1
A GM refrigerator 10 that comprises: a displacer 20 that is capable of reciprocal movement in the axial direction; a displacer cylinder 26 that houses the displacer 20; a drive piston 22 that is connected to the displacer 20 so as to dri...  
WO/2018/089569A1
A rotary drive for a cryocooler and related cryocooler are disclosed. The rotary drive generates a gas pressure wave for the cryocooler. The rotary drive may include a crankcase, a crankshaft within the crankcase, and a cylinder position...  
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/2018/083166A1
A hot water energy storage system (100) comprises a storage vessel (102); a pump (151 ); a heat exchanger (152) arranged to receive water from the storage vessel (102) and to output water to the storage vessel (102); a diverting valve (1...  
WO/2018/077048A1
An optimization control method for running interval of an ejector, comprising the following steps: approximating the relation between primary flow pressure of an ejector and critical back pressure to a directly proportional linear relati...  
WO/2018/075137A1
A free-piston Stirling engine that limits piston amplitude and reduces engine power as the piston amplitude increases beyond its maximum power. The inward edge of the heat rejecter cylinder port is located outward of the most inward excu...  
WO/2018/075138A1
A free-piston Stirling engine that limits piston amplitude and reduces engine power as the piston amplitude increases beyond its maximum power. The inward edge of the heat rejecter cylinder port is located outward of the most inward excu...  
WO/2018/074501A1
A thermoacoustic device comprises: a loop pipe; a first stack that is disposed in the loop pipe and that generates a sound wave in the loop pipe by way of a temperature gradient; a second stack that is disposed in the loop pipe and that ...  
WO/2018/070893A1
The invention relates to the field of air conditioning. The invention is based on the use of a compressor and an expander. The essence of the invention consists in the design of a combined indoor air-cooling and air-heating circuit, i...  
WO/2018/065458A1
A cooling device (40) includes a heat exchanger (50), a first flow loop (52) connecting a cold sink (42, 44, 46) and the heat exchanger, and a second flow loop (54) connecting a hot sink (20) and the heat exchanger. A first passive one w...  
WO/2018/066250A1
An energy conversion device comprises a first sound wave generation unit (30), a second sound wave generation unit (40), and an output unit (50) that are provided in a tube member (20). The first sound wave generation unit has a thermal ...  
WO/2018/067026A1
This invention relates to heat recovery devices, namely of counter- flow plate heat exchangers wherein air is primarily used as medium. The claimed heat exchanger comprises a number of original solutions that improve its performance whil...  
WO/2018/056457A1
The present invention relates to a heat exchanger provided with: a plate member having a flat bottom part and also having a refrigerant flow path formed therein; and a plate cover for covering the plate member, wherein the plate cover ha...  
WO/2018/056074A1
An energy conversion device equipped with a conduit unit (10), an input unit (20), and an output unit (30). The conduit unit is filled with a medium capable of undergoing a gas-liquid phase change, and is able to transmit acoustic energy...  
WO/2018/044218A1
A gas compressor, comprising a compressor chamber comprising a chamber inlet for gas and a chamber outlet for gas A gas heating device comprising a heater chamber having a heater inlet for gas and a heater outlet for gas. The gas heating...  
WO/2018/036807A1
The invention relates to a refrigeration machine, in particular a cryopump for generating a vacuum, having a compressor (10) for compressing a refrigerant substantially comprising helium and oil. Together with the compressor, an oil sepa...  
WO/2018/033250A2
The invention relates to a temperature-control device (1) for heating and/or cooling gases or gas mixtures, in particular for use in the field of respiratory protection, wherein the temperature-control device (1) comprises at least one a...  
WO/2018/032108A1
A refrigeration system operable in cooling mode and defrosting mode is provided. The refrigeration system includes a defrost line connecting a first reservoir to an evaporation stage for conveying at least part of the flash gas from the ...  
WO/2018/028367A1
A multi-stage thermoacoustic generator unit and a multi-stage heat regenerative refrigeration system having same. The multi-stage thermoacoustic generator unit comprises multiple sets of thermoacoustic engines which are sequentially conn...  
WO/2018/025581A1
Provided is a cold storage medium having a large heat capacity in an extremely low temperature region of 10 K or less, and having excellent durability against thermal shock or mechanical vibration. Al2O3 having a specific surface area of...  
WO/2018/019777A1
The invention relates to a heat pump system, comprising the following features: a first heat pump arrangement (101), which is designed to operate with a first heat pump medium that includes CO2; a second heat pump arrangement (102), whic...  
WO/2018/022949A3
Disclosed are refrigerants comprising at least about 97% by weight of a blend of three compounds, said blend consisting of: from about 38% by weight to about 48% by weight difluoromethane (HFC-32), from about 6% by weight to about 12% by...  
WO/2018/022943A1
Disclosed are refrigerants comprising at least about 97% by weight of a blend of three compounds, said blend consisting of: from about 40% by weight to about 49% by weight difluoromethane (HFC-32), from about 6% by weight to about 12% by...  
WO/2018/022949A2
Disclosed are refrigerants comprising at least about 97% by weight of a blend of three compounds, said blend consisting of: from about 38% by weight to about 48% by weight difluoromethane (HFC-32), from about 6% by weight to about 12% by...  
WO/2018/019779A1
The invention relates to a heat pump system comprising the following features: a first heat pump assembly (111) having a compressor (112) with a compressor output (113); a second heat pump assembly (114) having an input section (114a) an...  
WO/2018/022888A1
The present invention relates to a refrigerant composition, including difluoromethane (HFC- 32), pentafluoroethane (HFC-125), and trifluoroiodomethane (CF3I) for use in a heat exchange system, including air conditioning and refrigeration...  
WO/2018/011551A1
We describe a grid-mains powered heat pump system with controllable grid-mains power consumption, the system comprising: a refrigerant circuit including a compressor having a compressor motor, the refrigerant circuit having a raised temp...  
WO/2018/010708A1
A cooling circuit for cooling medium circulation consisting of a compressor (9) which is mechanically connected by its outlet to an inlet of a turbine (18) with an electrical energy generator, while the turbine with an electrical energy ...  
WO/2018/012320A1
Provided is an expansion turbine filling system for high-pressure hydrogen, which has a simple configuration, which has low maintenance management work burden, which can lower operation cost including power consumption cost, and which ca...  
WO/2018/002318A1
The present invention relates to a system (1) comprising: a machine (2) comprising a heat source (3) arranged to generate heat; at least one so-called driver thermoacoustic cell (8), arranged to transform heat generated by the heat sourc...  
WO/2017/222138A1
The present invention relates to a fluid cooling apparatus for improving the efficiency of a fluid liquefaction process by appropriately lowering, various sections of the temperature range of a fluid through a simple process. The fluid c...  
WO/2017/217142A1
Provided is a refrigeration cycle device comprising a compressor (11), a first branch section (12), a heat dissipator (13), a second branch section (16), a first pressure reduction section (17, 40), a first evaporator (18, 52), a second ...  
WO/2017/214723A1
A system for the regeneration of nitrogen energy within a closed loop cryogenic system is described. A liquid nitrogen storage is provided in fluid communication with a first flow line. A pump pumps liquid nitrogen from the liquid nitrog...  
WO/2017/212148A1
The invention relates to a cold-generating device that uses the "Joule-Thomson" expansion principle. It comprises a heat exchanger inside which a high-pressure and a low-pressure fluid circulate in countercurrent. The heat exchanger cons...  
WO/2017/212713A1
Provided is a rotary machine comprising: a rotating shaft provided with an axial disc; axial magnetic bearings for supporting the rotating shaft; a motor for rotating the rotating shaft; turbine blades mounted on one end side of the rota...  
WO/2017/212871A1
The present invention is designed so that the length Lh of a heater (112) = Ls × (Th/Ts) × (Ss/Sh), and the length Lc of a cooler (113) = Ls × (Tc/Ts) × (Ss/Sc), where Ts is the average temperature of a heat accumulator (111) during ...  
WO/2017/211351A1
The invention relates to a refrigeration installation (1), to a method for same, and to a refrigeration installation system for controlling the temperature of air, comprising at least one compressor (3), at least one expansion element (3...  
WO/2017/205919A1
A device is disclosed comprising a tube with a hot gas outlet at a first end and a cold gas outlet at a second end, an inlet in fluid communication with the tube and an accelerator associated with the tube. The device is configured to ac...  
WO/2017/208968A1
A GM cooler is provided with a valve unit 72 defining a group of valves including a first intake valve V1 that allows intake by a first cold head 14a, a first discharge valve V2 that allows discharge of the first cold head 14a, and a pre...  
WO/2017/207562A1
A refrigeration system for use in petrochemical plants, such as an ethylene production plant includes a refrigerant vent rectifier. The rectifier purifies the refrigerant by removing low molecular weight inerts. The refrigeration system ...  
WO/2017/205854A3
A refrigerated food storage box has been disclosed. This refrigerated food storage box has an inner box comprising a set of inner walls and an inner base, together enclosing a food storage compartment. There is also an outer box comprisi...  
WO/2017/205854A2
A refrigerated food storage box has been disclosed. This refrigerated food storage box has an inner box comprising a set of inner walls and an inner base, together enclosing a food storage compartment. There is also an outer box comprisi...  
WO/2017/198760A1
The present invention relates to a method for removing helium from a pressurized container (110), wherein supercritical helium (111) is removed from the pressurized container; wherein the removed supercritical helium (112) is actively co...  
WO/2017/195657A1
[Problem] To provide a low temperature cooling system having an excellent energy efficiency using a mechanical refrigerator. [Solution] A low temperature cooling system 100 is characterized by having: a mechanical refrigerator 10 having ...  

Matches 1 - 50 out of 11,778