Matches 151 - 200 out of 345 < 1 2 3 4 5 6 7 >


Match Document Document Title
US20080236176 Drive Arrangement For Rotary Valve In A Cryogenic Refrigerator  
A cryogenic refrigerator comprising a rotary valve which controls the flow of high pressure gas into the refrigerator and the return of the gas from the refrigerator, the cryogenic refrigerator...
US20140318155 CRYOGENIC REFRIGERATOR  
A cryogenic refrigerator includes a compressor having a return end and a suction end that selectively connects to an expansion space, a housing having an assist space that communicates to the...
US20060201163 Heat-storing medium  
Normally granulates of rare earth compounds are used as a heat-storing medium for a low-temperature range below 15 Kelvin. The material costs for rare earths are high. Further, rare earths are...
US20050204751 Cryogenic assembly  
The present invention relates to a cryostat having a service neck for access to a superconducting magnet. In many cryogenic applications components, e.g. superconducting coils for magnetic...
US20110146302 CRYOGENIC HEAT EXCHANGER FOR THERMOACOUSTIC REFRIGERATION SYSTEM  
A heat exchanger and related method for a thermoacoustic refrigeration system are provided, which includes a warm end of the heat exchanger, a cryogen passing through the warm end to remove heat...
US20120227416 Pressure Wave Generator  
A pressure wave generator (40) for driving one or more cryogenic refrigerator systems. The pressure wave generator (40) comprises a housing with one or more inlet/outlet ports (57,58) through...
US20060225434 Cryocooler assembly with screened regenerator  
A cryocooler assembly having a regenerator employing a plurality of high heat capacity screens positioned perpendicular to the regenerator longitudinal axis and in a sufficient linear density to...
US20130291566 Pulse Tube Refrigerator with an Automatic Gas Flow and Phase Regulating Device  
The invention relates to a pulse tube refrigerator with an automatic gas flow and phase regulating device, comprising a helium compressor (1), an air distribution valve (11), a drive controller...
US20090000313 Regenerator matrix with mixed screen configuration  
A regenerator matrix 215 disposed in a fluid conduit 152 for exchanging thermal energy with a fluid passing through the fluid conduit. The regenerator matrix 215 has a variable fluid flow...
US20070101730 Cold stocker  
In a cold stocker according to the present invention, a compartment-cooling heat exchanger is connected to a cold-side heat exchanger mounted to a cold section of a Stirling refrigerating engine...
US20120073310 CRYOGENIC VACUUM BREAK THERMAL COUPLER  
A novel thermal coupler apparatus and method to couple a cryocooler or another cooling device to a superconducting magnet or cooled object allows for replacement without a need to break the...
US20080173025 Reduced volume gas spring or surge tank for cryocooler  
A fibrous packing material (210) is distributed throughout the interior space of a surge tank (118). The packing material (210) makes the compression and expansion of gas within the surge tank...
US20100037627 CAPTURE AND REMOVAL OF GASES FROM OTHER GASES IN A GAS STREAM  
A method for the selective capture and removal of gases and vapors from a gas stream using a thermo-acoustic device includes the steps of first cooling the gas stream using at least one heat...
US20110100022 PHASE SHIFT DEVICES FOR PULSE TUBE COOLERS  
Various embodiments are directed to pulse tube coolers and components thereof. A pulse tube cooler may comprise a compressor, a regenerator, a pulse tube and a reservoir. A network of phase...
US20070056293 Passive heat-dissipating fan system and electronic system containing the same  
A passive heat-dissipating fan system comprises an air-providing device, a cold-end passive heat-dissipating assembly, a hot-end passive heat-dissipating assembly, a separation device capable of...
US20150226465 CRYOGENIC ENGINE WITH ROTARY VALVE  
A cryogenic refrigeration engine for producing refrigeration at temperatures below 200 K includes a reciprocating piston having a warm end and a cold end. A gas is admitted to the cold end of the...
US20070107446 Superconducting magnet system with refrigerator for re-liquifying cryogenic fluid in a tubular conduit  
A superconducting magnet system with a superconducting magnet coil system, which is disposed in a cryogenic fluid tank (2) of a cryostat (1), and an exchangeable refrigerator (5; 31) which is...
US20070056297 Low vibration cryocooler  
Disclosed are a low vibration cryocooler and a method of reducing vibration in a cryocooler. The cryocooler can be a Stirling class cryocooler includes at least one motor that drives a mass, the...
US20070261418 Miniaturized gas refrigeration device with two or more thermal regenerator sections  
The size of a miniature cryocooler (100) operating on the Stirling refrigeration cycle is further reduced by shortening a first thermal regenerator module (R) disposed on a cold side of a thermal...
US20130286591 Power Electronics Cooling  
A system for cooling components of a power generation system. The system may include a working fluid, 100% of which may be sent to a heat exchanger for cooling the components. During cooling, the...
US20100257872 Pulse tube refrigerator  
A multistage pulse tube refrigerator includes a first stage regenerator tube including a heat exchanger; a second stage regenerator tube; a first stage pulse tube; a second stage pulse tube; a...
US20130111927 Cooling device for Stirling circulated dry storage container  
A cooling device for Stirling circulated dry storage container, which is mainly to make an accommodation space with opening within an external shield, and at the peripherals of the accommodation...
US20070074522 Cryogenic refrigerator including separating device  
A cryogenic refrigerator has a separating device provided between a lower temperature portion and a heat exchanger to selectively separate the lower temperature portion and the heat exchanger, and...
US20120047913 CRYOGENIC REFRIGERATOR  
A cryogenic refrigerator includes a pressure switching valve with a rotational element for switching between channels. The cryogenic refrigerator includes a first member located on one side in a...
US20150219366 COLD HEAD, SUPERCONDUCTING MAGNET, EXAMINATION APPARATUS, AND CRYOPUMP  
A reduction in a permeability of refrigerant gas is suppressed while increasing a filling factor of regenerator material particles with respect to a stage of a cold head. A cold head includes a...
US20140250920 PULSE TUBE REFRIGERATOR  
A pulse tube refrigerator includes a compressor, a regenerator to which a refrigerant gas is discharged from the compressor and from which the refrigerant gas returns to the compressor, a pulse...
US20130061606 INTEGRATED STIRLING REFRIGERATOR  
An integrated Stirling refrigerator is composed of two parts: a compressor and an expander. The compressor is composed of a shell (1), a piston (4), a leaf spring (8), a magnet (9), a coil (10), a...
US20060037327 Temperature controlling unit and container using the same  
A temperature controlling subunit, which includes a Stirling refrigerator as a temperature controlling device, is attached to an insulative lid. A heat absorbing sink which constitutes a...
US20130174582 CRYOGENIC REFRIGERATOR AND DISPLACER  
A cryogenic refrigerator includes a displacer including a body part and a heat conducting part, wherein the material of the heat conducting part has a higher thermal conductivity than the body...
US20130247592 REGENERATIVE REFRIGERATOR  
A regenerative refrigerator includes a regenerator disposed in a flow passage of working gas generating a cold thermal mass, the regenerator being loaded with a regenerative material to accumulate...
US20080264071 Pulse-tube refrigerating machine  
A pulse-tube refrigerating machine includes: a compressor that pressurizes a refrigerant gas; a regenerator tube accommodating a regenerator material therein; a pulse-tube having of a hollow...
US20150159921 CRYOCOOLER FOR NOISE AND VIBRATION REDUCTION AND CRYOPUMP INCLUDING THE SAME  
Disclosed herein are a cryocooler for noise and vibration reduction, which is used to create a high to ultrahigh vacuum environment, and a cryopump including the same. The cryocooler for producing...
US20140109598 STIRLING REFRIGERATOR FOR VEHICLE  
A Stirling refrigerator for a vehicle may include a drive portion receiving driving torque to be rotated, a compression portion that may be connected to the drive portion to isothermally compress...
US20100307169 TRIGENERATION SYSTEM AND METHOD  
A trigeneration system comprising a cooling loop and a heat/power loop connected by a heat exchanger. Energy available at the high side of the cooling loop is transferred from cooling loop to the...
US20150153427 REDUCTION OF BLOCKAGES IN A CRYOGENIC REFRIGERATION SYSTEM SUCH AS FOR MAGNETIC RESONANCE IMAGING SYSTEMS  
A cryogenic refrigeration system is provided having particular application in cooling a Magnetic Resonance Imaging system. The cryogenic refrigeration system comprises a conduit arranged as a...
US20090217658 Method for Centering Reciprocating Bodies and Structures Manufactured Therewith  
Methods for assembling a reciprocating body, such as a piston, within a bore using a design are described. The piston is substantially centered within the bore and then connected at one end...
US20140311166 CRYOCOOLERS WITH ELECTRONIC CRYOSTAT FLOW CONTROLLERS AND RELATED SYSTEM AND METHOD  
A system includes a cryocooler configured to cool an object, a sensor configured to measure a temperature of the object, and a controller configured to generate an actuator drive signal to control...
US20070028626 Loop type thermo siphon, stirling cooling chamber, and cooling apparatus  
A loop thermosyphon includes a closed circuit configured of an evaporator, a condenser, a feed pope and a return pope, and the evaporator is an assembly including a header pipe associated with the...
US20090200320 STORAGE CONTAINER  
A storage container includes an insulating container having an opening; a temperature controlling unit that is independent of the insulating container and detachably attached to the opening of the...
US20120227417 G-M REFRIGERATOR WITH PHASE MODULATION MECHANISM  
A G-M refrigerator comprises a compressor (1), a gas inlet valve (2), an exhaust valve (3), a regenerator (4), a cylinder (5), a piston (6), a hot cavity (7), a cold cavity (8), a seal ring (9), a...
US20050056036 Integrated cryogenic receiver front-end  
A cryogenic receiver front-end includes a heat sink having a mounting surface and a plurality of fins, a cryocooler mounted to the mounting surface of the heat sink, a heat rejector surrounding...
US20150252799 ARRANGEMENT AND METHOD FOR DAMPING VIBRATIONS DURING MICROSCOPIC EXAMINATIONS  
An arrangement for damping vibrations during microscopic examinations of inorganic and organic material specimens in an evacuated measuring at low temperatures that are cooled by an...
US20050097911 [DOWNHOLE TOOLS WITH A STIRLING COOLER SYSTEM]  
A cooling system for a downhole tool includes an insulating chamber disposed in the tool, wherein the chamber is adapted to house an object to be cooled; a Stirling cooler is disposed in the tool,...
US20100223934 Thermoacoustic Refrigerator For Cryogenic Freezing  
A refrigeration system includes a cooler or freezer enclosure; a heat exchanger within the enclosure; a bulk storage tank in fluid communication with the heat exchanger; a sound generator in fluid...
US20060266052 Passive thermoacoustic cooling apparatus  
A passive thermoacoustic cooling apparatus for cooling of components such as miniaturized microelectronics is disclosed. The passive thermoacoustic cooling apparatus includes resonant cavities, a...
US20110277476 Low Temperature High Efficiency Condensing Heat Engine for Propelling Road Vehicles  
A non-polluting, closed-cycle condensing heat engine and operating method is provided for propelling road vehicles at high efficiencies and high power densities by using a phase-changing working...
US20110265493 Thermoacoustic Apparatus With Series-Connected Stages  
A thermoacoustic apparatus includes multiple thermoacoustic device stages, such as individual thermoacoustic refrigerators, connected in a looped series such that excess acoustic energy from a...
US20090255273 Method and device for condensing CO2  
The invention relates to a method and to a device for condensing CO2 or CO2 separation. According to the invention the thermoacoustic effect is used, with the aid of waste heat from a power...
US20080282707 Cryocooler with moving piston and moving cylinder  
A thermal-cycle cryocooler, such as a Stirling-cycle cryocooler, has a single working volume that is utilized by both the compressor and the displacer. The compressor and the displacer have...
US20130285663 CRYOGENIC REFRIGERATOR AND COOLING METHOD  
A cryogenic refrigerator includes a refrigerator having a cylinder and a displacer movably arranged in the cylinder. The displacer is operative to provide intake of an operating gas into the...

Matches 151 - 200 out of 345 < 1 2 3 4 5 6 7 >