Matches 51 - 100 out of 345 < 1 2 3 4 5 6 7 >


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US20140100113 REMOTE ACTUATED CRYOCOOLER FOR SUPERCONDUCTING GENERATOR AND METHOD OF ASSEMBLING THE SAME  
In one embodiment, a cryocooler assembly for cooling a heat load is provided. The cryocooler assembly includes a vacuum vessel surrounding the heat load and a cryocooler at least partially...
US20140137571 SYSTEMS AND METHODS FOR CRYOGENIC REFRIGERATION  
Systems and methods for improving the performance of dilution refrigeration systems are described. Filters and traps employed in the helium circuit of a dilution refrigerator may be modified to...
US20090084114 Gas phase shifting inertance gap pulse tube cryocooler  
A pulse tube cryocooler including a heat exchanger and a pulse tube is modified with an in-line inertance gap attached to the pulse tube for gas phase shifting of gas pressure in the cryocooler...
US20130263607 REGENERATIVE REFRIGERATOR  
A regenerative refrigerator includes an expander which includes a regenerator including a regenerative material and an expansion space for expanding a refrigerant gas flowing in the regenerator,...
US20130086926 CRYOGENIC REFRIGERATOR, CRYOPUMP AND DISPLACER  
A two-stage GM cryogenic refrigerator includes a displacer having a low-temperature side and a high-temperature side and a motor configured to drive the displacer. The motor is configured to be...
US20110126553 Cryogenic Pump Employing Tin-Antimony Alloys and Methods of Use  
A cryogenic refrigerator includes a regenerative heat exchanger material in thermal contact with a working gas including a tin-antimony (Sn—Sb) alloy or a tin-gallium (Sn—Ga) alloy in at least one...
US20090094992 GAS LIQUIFIER  
A cryocooler for liquefying gas in which the neck of the dewar or cryostat includes a cold end of a cryocooler with the first stage cooling station, the first stage regenerator, the second stage...
US20090241556 Pulse Tube Refrigerator and Regenerative Refrigerator  
A pulse tube refrigerator, includes a first pulse tube; a first regenerator connected to the first pulse tube; a compressor configured to compress the coolant gas; a first supply side valve; a...
US20100107633 SOLAR AND WIND HYBRID POWERED AIR-CONDITIONING/REFRIGERATION, SPACE-HEATING, HOT WATER SUPPLY AND ELECTRICITY GENERATION SYSTEM  
A system for environmental control includes a hybrid wind and solar energy collection subsystem; a temperature control subsystem having a thermo-mechanical engine; an electrical generating...
US20060260329 Cryogenic biological preservation unit with integrated cryocooler and nitrogen supply  
A system for the cryogenic preservation of biological material having a dedicated cryocooler integrated with an insulated vessel and preferably a membrane separator which processes feed air for...
US20080282706 Stirling cycle cryogenic cooler with dual coil single magnetic circuit motor  
A method and mechanism for eliminating one of the magnetic circuits in a conventional two motor Stirling cryocooler. The inventive cooler is a Stirling cycle cryogenic cooler with a magnetic...
US20140190186 CONTAINER  
A container is described having a wall with a thickness defined by inner and outer surfaces, said inner surface defining an internal cavity for receiving fluid, the container having an opening...
US20150027135 SECONDARY PULSE TUBES AND REGENERATORS FOR COUPLING TO ROOM TEMPERATURE PHASE SHIFTERS IN MULTISTAGE PULSE TUBE CRYOCOOLERS  
Pulse tube refrigeration or cooling systems are described which utilize a secondary regenerator or a secondary pulse tube. Use of such a secondary regenerator or pulse tube enables a commercially...
US20120151941 SECONDARY PULSE TUBES AND REGENERATORS FOR COUPLING TO ROOM TEMPERATURE PHASE SHIFTERS IN MULTISTAGE PULSE TUBE CRYOCOOLERS  
Pulse tube refrigeration or cooling systems are described which utilize a secondary regenerator or a secondary pulse tube. Use of such a secondary regenerator or pulse tube enables a commercially...
US20080256958 Pulse tube cryocooler  
A pulse tube cryocooler used under a non-vacuum atmosphere, the pulse tube cryocooler includes a pressure wave generator configured to generate pressure wave in an operations gas; a first stage...
US20130126245 Annular Disposed Stirling Heat Exchanger  
Apparatus and method for cooling internal components of a down-hole well drilling apparatus. Components of the well drilling apparatus are encased in an inner canister that is further encased in...
US20120151912 HEAT ENGINE REGENERATOR AND STIRLING ENGINE USING THE REGENERATOR  
A regenerator, for use in a heat engine, configured to receive and store heat from a high-temperature gas flowing from a high-temperature space into the regenerator, and to provide the heat to a...
US20130074524 CRYOGENIC REFRIGERATOR  
A disclosed device cryogenic refrigerator includes a first stage displacer; a first stage cylinder configured to form a first expansion space between the first stage cylinder and the first stage...
US20130219923 CRYOGENIC REFRIGERATOR  
A cryogenic refrigerator includes a first cylinder and a second cylinder, a first displacer and a second displacer configured to reciprocate inside the first cylinder and the second cylinder,...
US20060254286 Solid state cryocooler  
A cryocooler is disclosed which includes a reservoir (11), an electrochemical cell or proton conductive membrane (PCM) compressor (12) coupled to a source of AC current, and a gas expander in the...
US20080098751 STIRLING SYSTEM AND FREEZER SYSTEM USING THE SAME  
There is disclosed a stirling system in which a rotary-type high-temperature expansion mechanical section, a rotary-type low-temperature compression mechanical section and a driving shaft common...
US20150211770 Stirling Cycle Device  
A Stirling cycle device includes a housing with an inner wall, and a regenerator attached to the inner wall of the housing, wherein the regenerator, made of wool or chemical fiber, is composed of...
US20070261419 Folded cryocooler design  
A compact cryocooler includes a gas compression piston (304) supported for reciprocal linear translation along a first longitudinal axis (308) and a gas displacing piston (362) supported for...
US20120312032 CRYOPUMP AND CRYOGENIC REFRIGERATOR  
A refrigerator includes two displacers which are longitudinally adjacent to each other and the high temperature displacer includes a main compartment and an auxiliary compartment for a regenerator...
US20130086925 CRYOGENIC REFRIGERATOR  
A disclosed device cryogenic refrigerator includes a first stage displacer; a first stage cylinder configured to form a first expansion space between the first stage cylinder and the first stage...
US20150192331 PULSE TUBE REFRIGERATOR  
In a pulse tube refrigerator, a first pulse tube has a low-temperature end, and a high-temperature end connected to a compressor. A first regenerator has a low-temperature end connected to the...
US20140216064 EXTENDED TRAVEL FLEXURE BEARING AND MICRO CHECK VALVE  
Variations of the devices and methods disclosed herein pertain to an extended travel spiral flexure bearing having spiral arms, each of the spiral arms including an attachment point at the inner...
US20110126554 Linear Drive Cryogenic Refrigerator  
A cryogenic refrigerator has a refrigeration cylinder and at least two displacers. Each displacer reciprocates in the refrigeration cylinder and moves refrigeration gas through the refrigeration...
US20080295523 Machined Spring With Integral Retainer For Closed Cycle Cryogenic Coolers  
A retainer and spring with threaded end are machined from a single piece of material for threading to a piston in a closed cycle cryogenic cooler. Since the machined retainer and spring are a...
US20120079841 Refrigeration Process and System for Recovering Cold from Methane by Refrigerants  
A refrigeration system includes a plurality of heat exchangers (E1, E2, E3) in cascade, each of said heat exchangers including: a flow (150) of cold-producing liquefied methane; a high-pressure...
US20150033767 Cryocooler with Magnetic Reciprocating Piston  
A cryocooler is described that can include a pressure wave generator, and a refrigeration device (for example, a coldhead), which can be used to liquefy a gas when the gas is exposed to a surface...
US20150247654 DIRECT USE OF ACOUSTIC POWER IN STIRLING ENGINE FOR HEAT REMOVAL  
A Stirling engine includes a piston and a displacer that move in phased reciprocating motion within one or more cylinders. A working fluid is contained within the one or more cylinders, and a...
US20140020407 REGENERATIVE REFRIGERATOR  
A disclosed regenerative refrigerator including a regenerator filled with a regenerative material for accumulating cooling of a refrigerant gas, wherein the regenerator is divided into a central...
US20110252810 STANDING WAVE THERMOACOUSTIC PIEZOELECTRIC REFRIGERATOR  
A standing wave thermoacoustic piezoelectric refrigerator is provided. The standing wave thermoacoustic piezoelectric refrigerator includes a housing, a porous stack, and a piezoelectric bimorph....
US20120137707 ZERO DELTA TEMPERATURE THERMAL LINK  
An apparatus for transferring cryogenic refrigeration includes a cryocooler interface, a housing, a working fluid, a heat exchanger, a flexible thermal link, and a remote cartridge cold head. The...
US20120131932 HEAT TRANSFER SYSTEM  
A thermodynamic system includes a cyclical heat exchange system and a heat transfer system coupled to the cyclical heat exchange system to cool a portion of the cyclical heat exchange system. The...
US20070245747 Cooling Box  
The controller of a cooling box is configured such that when the temperature of the warm head of a Stirling refrigerating machine exceeds a reference temperature, it maximizes the speed of a heat...
US20130014517 LIQUEFIER WITH PRESSURE-CONTROLLED LIQUEFACTION CHAMBER  
A liquefier includes a Dewar having a storage portion and a neck portion extending therefrom. A hermetically isolated liquefaction chamber is disposed within the neck of the Dewar. One or more...
US20080104967 Regenerator Material, Regenerator and Regenerative Cryocooler  
A regenerator material is comprised of a granular body made of bismuth or an alloy of bismuth and antimony. A rate of the granular body having a grain size of 0.14 mm to 1.6 mm is 70% by weight or...
US20120102976 PULSE TUBE CRYOCOOLER MODULATING PHASE VIA INERTANCE TUBE AND ACOUSTIC POWER AMPLIFIER THEREOF  
A pulse tube cryocooler modulating phase via an inertance tube and an acoustic amplifier (A1, A2) provided in the pulse tube cryocooler are disclosed. The acoustic power amplifier (A1, A2) is made...
US20140338368 STIRLING-TYPE PULSE TUBE REFRIGERATOR AND FLOW SMOOTHER THEREOF  
A Stirling-type pulse tube refrigerator includes: a compressor which pressurizes and depressurizes a gas; a regenerator which is supplied with the gas from the compressor or supplies the gas to...
US20050166602 Stirling cooler and heat exchanger thereof  
Disclosed are a stirling cooler and a heat exchanger thereof. Since the heat exchanger includes an inner heat exchanger, installed in a heat exchange chamber provided between a case and a...
US20090084116 Gas phase shifting multistage displacer cryocooler  
A displacer cryocooler including a multistage heat exchanger is modified with a phase shifting device connected between stage volumes for gas phase shifting of gas pressure in the cryocooler for...
US20070234751 Sample cooling apparatus  
A sample cooling apparatus capable of cooling and holding samples or wafers at a cryogenic temperature with no vibration or drift with respect to a measurement reference surface is disclosed. In...
US20110023500 Thermo-Electro-Acoustic Refrigerator And Method Of Using Same  
A thermo-electro-acoustic refrigerator comprises a sealed body having a regenerator, hot and cold heat exchangers, an acoustic source, and an acoustic energy converter. A first drive signal drives...
US20140325999 ACTIVE DAMPING VIBRATION CONTROLLER FOR USE WITH CRYOCOOLERS  
A cryocooler assembly including a cryocooler housing and a free-piston engine arranged within the housing, an absorber housing and a damper motor arranged within the absorber housing, and a...
US20070022760 Flow stability in massively parallel cryogenic vaporizers  
Cryogenic vaporization apparatus with multiple ducts each having an inlet to receive cryogenic fluid for vaporization, and an outlet to discharge vaporized fluid to a common discharge collection...
US20110000228 HYBRID CRYOCOOLER WITH MULTIPLE PASSIVE STAGES  
A multi-stage cryocooler has three or more stages, including an active first stage and passive second and third stages. The active stage may include a Stirling expander, and the passive second and...
US20050166601 Portable insulated container incorporating stirling cooler refrigeration  
An insulated container is provided that utilizes Stirling cooler technology. The insulated container and the Stirling cooler may include a self-contained, portable power source. Controls are...
US20070051116 Device for loss-free cryogen cooling of a cryostat configuration  
A cooling device (7) for re-liquefying cryogenic gases, comprising an outer jacket (8) which delimits a vacuum chamber (9), and a cryocooler cold head (10) installed therein, which has at least...

Matches 51 - 100 out of 345 < 1 2 3 4 5 6 7 >