|
Match
|
Document |
Document Title |
|
|
6688113 |
Synthetic felt regenerator material for stirling cycle cryocoolers
A regenerator material for use inside a displacer of a Stirling cycle cryocooler includes a plurality of circular disks formed from a synthetic felt that is preferably polyester. The plurality of...
|
|
|
6688116 |
Refrigerator electron beam ion trap-source
An ion beam producing device employing a refrigeration system to provide the cooling for a superconducting compression magnet at a trap core of an electron beam ion trap (EBIT) without the use of...
|
|
|
6684637 |
Parallel slot heat exchanger
A heat exchanger in which a fluid and a surface transfer thermal energy effectively with a smaller pressure drop than is conventionally realized. In a preferred embodiment, gas at one end of a...
|
|
|
6679066 |
Cryogenic cooling system for superconductive electric machines
A part of a refrigerant in the low-temperature state is circulated by a cryogenic cooling system for superconductive electric machines comprising a refrigerant transfer system and circulation means...
|
|
|
6675588 |
Apparatus using stirling cooler system and methods of use
A refrigeration apparatus driven by a Stirling cooler and having reduced internal vibrations. The apparatus may include an insulated enclosure. The enclosure may define an opening from the inside...
|
|
|
6676772 |
Magnetic material
The magnetic material for magnetic refrigeration of the present invention is characterized by exhibiting, in a certain temperature region, preferably, only in part of a temperature region from 200...
|
|
|
6666033 |
Method and apparatus for fine tuning an orifice pulse tube refrigerator
An orifice pulse tube refrigerator uses flow resistance, compliance, and inertance components connected to a pulse tube for establishing a phase relationship between oscillating pressure and...
|
|
|
6663351 |
Piezoelectric actuated elastic membrane for a compressor and method for controlling the same
A compressor includes a cylinder block having a compression chamber therein, a piston arranged in the compression chamber which reciprocates up and down, and a driving mechanism which drives the...
|
|
|
6658862 |
Cascaded thermoacoustic devices
A thermoacoustic device is formed with a resonator system defining at least one region of high specific acoustic impedance in an acoustic wave within the resonator system. A plurality of...
|
|
|
6655154 |
Operation method and operation apparatus for multi-system refrigerators, and refrigerating apparatus
An operation method and an operation apparatus for multi-system refrigerators, and a refrigerating apparatus. When gas compressed by a single compressor is supplied to a plurality of refrigerators...
|
|
|
6644038 |
Multistage pulse tube refrigeration system for high temperature super conductivity
A pulse tube refrigeration system wherein the pulse tube working gas is cooled to a defined first stage temperature and is brought to a defined second stage temperature by operation of a...
|
|
|
6640553 |
Pulse tube refrigeration system with tapered work transfer tube
A pulse tube refrigeration system, having a pulse generator, a regenerator and a pulse tube, comprising a work transfer tube interposed between the pulse generator and the regenerator wherein the...
|
|
|
6640552 |
Cryogenic superconductor cooling system
A system for providing refrigeration to a superconducting device wherein a cooling fluid is cooled by receiving refrigeration from one or more cryocoolers and then is warmed by indirect heat...
|
|
|
6637211 |
Circulating heat exchangers for oscillating wave engines and refrigerators
An oscillating-wave engine or refrigerator having a regenerator or a stack in which oscillating flow of a working gas occurs in a direction defined by an axis of a trunk of the engine or...
|
|
|
6629418 |
Two-stage inter-phasing pulse tube refrigerators with and without shared buffer volumes
Disclosed are two-stage inter-phasing pulse tube refrigerators with and without shared buffer volumes.
|
|
|
6625992 |
Cooling system for HTS machines
A cryogenic cooling system is configured to control the flow of a heat transfer fluid through a remote thermal load, such as a superconducting magnet or rotor. The cryogenic cooling system includes...
|
|
|
6622491 |
Periodically operating refrigeration machine
In a periodically operating refrigeration machine which includes a thermal performance amplifier based on the known pulse tube process, the thermal performance amplifier includes a compression...
|
|
|
6619046 |
Pulse tube liner
The pulse tube 59 of a pulse tube refrigerator is equipped with a thin liner 80 of low thermal mass and in poor thermal contact with pulse tube 59. One surface of liner 80 may be furnished...
|
|
|
6612117 |
Hydristor heat pump
A heat pump system 160 contains a hydristor pump/motor 162 in fluid and thermodynamic communication with a first heat exchanger 172 communicating with a relatively warm reservoir 174, and a...
|
|
|
6604364 |
Thermoacoustic cogeneration system
A method for operating a thermoacoustic engine which produces acoustic energy which may be used to generate refrigeration wherein energy delivery fluid from a hot energy source, which provides heat...
|
|
|
6604363 |
Matching an acoustic driver to an acoustic load in an acoustic resonant system
A method for matching an acoustic load and an acoustic driver in a resonant acoustic system, and the acoustic system so formed. The load and driver may be independently designed. The invention...
|
|
|
6598406 |
Wave spring loaded split seal system
A piston includes a circumferential groove having a seal ring and spring mounted within the groove. The spring exerts an axial force on the seal ring thereby preventing motion of the seal ring...
|
|
|
6595006 |
Miniature reciprocating heat pumps and engines
The present invention discloses a miniature thermodynamic device that can be constructed using standard micro-fabrication techniques. The device can be used to provide cooling, generate power,...
|
|
|
6595007 |
Stirling refrigerating machine
A Stirling refrigerating machine, comprising a regenerator provided in a flow path for a working medium reciprocating between an expansion space and a compression space formed in a cylinder,...
|
|
|
6588224 |
Integrated absorption heat pump thermoacoustic engine refrigeration system
A system for generating refrigeration wherein a hot process fluid is used to drive a thermoacoustic engine and residual heat from the process fluid is used to desorb refrigerant from a high...
|
|
|
6589366 |
Method of making active magnetic refrigerant, colossal magnetostriction and giant magnetoresistive materials based on Gd-Si-Ge alloys
Method of making an active magnetic refrigerant represented by Gd 5 (Si x Ge 1−x ) 4 alloy for 0≦x≦1.0 comprising placing amounts of the commercially pure Gd, Si, and Ge charge components in...
|
|
|
6581389 |
Merchandiser using slide-out stirling refrigeration deck
A refrigerator. The refrigerator may include a cabinet and a refrigeration deck slidably positioned within the cabinet. The refrigeration deck may include a Stirling cooler unit.
|
|
|
6584332 |
Electronic equipment
An electronic equipment includes one or more electronic devices, a cold stage, and a cold insulation member. The one or more electronic devices perform a predetermined operation within a...
|
|
|
6578364 |
Mechanical resonator and method for thermoacoustic systems
A mechanical resonator for a thermoacoustic device having a compressible fluid contained within a housing, the housing having a pair of heat exchangers and a thermodynamic medium therebetween. The...
|
|
|
6560969 |
Pulse tube refrigeration system having ride-through
A method and system for providing a ridethrough reserve for a pulse tube refrigerator (PTR) ( 12 ) includes a pressurized tank ( 42 ) containing a fluid used to provide fluid pressure and auxiliary...
|
|
|
6560970 |
Oscillating side-branch enhancements of thermoacoustic heat exchangers
A regenerator-based engine or refrigerator has a regenerator with two ends at two different temperatures, through which a gas oscillates at a first oscillating volumetric flow rate in the direction...
|
|
|
6557359 |
Process for heating or cooling using mixtures of pentafluoropropane and a hydrofluorocarbon having 3 to 6 carbon atoms
The invention discloses novel azeotrope-like mixtures of fluorinated compounds which are useful for heating and cooling as heat transfer agents and/or refrigerants. The azeotrope-like mixture...
|
|
|
6550255 |
Stirling refrigeration system with a thermosiphon heat exchanger
An enclosure for a refrigerated space. The enclosure may include a thermosiphon and a Stirling cooler. The thermosiphon may include a condenser end and an evaporator end. The ends may be connected...
|
|
|
6546738 |
Stirling refrigerator
A Stirling refrigerator, which prevents oil rising, makes oil seal bellows have long-life, and includes a housing, cylinder, piston, piston rod and an oil seal bellows. The oil seal bellows seals a...
|
|
|
6536218 |
Supraconducting device comprising a cooling unit for a rotating supraconductive coil
A superconducting device includes a winding including superconductor material, which can be rotated about a rotation axis. For indirect cooling of the winding, a regenerative cryocooler having a...
|
|
|
6532749 |
Stirling-based heating and cooling device
A device for heating a first article and cooling a second article. The device may include an enclosure with a hot compartment and a cold compartment. The device also may include a Stirling cooler...
|
|
|
6532748 |
Cryogenic refrigerator
A cryogenic refrigerator for cooling a rotating device includes a stationary regenerator, and a rotatable cold heat exchanger coupled to the stationary regenerator to rotate relative thereto. The...
|
|
|
6526759 |
Rotating bed magnetic refrigeration apparatus
A rotating magnetic refrigeration apparatus has magnetic regenerator beds arranged in a ring that is mounted for rotation about a central axis, such that each bed moves into and out of a magnetic...
|
|
|
6499304 |
Cryocooler for HTSC filter systems
An improved HTSC filter system design. An improved HTSC filter system comprises a cryocooler and dewar assembly, a heat dissipation assembly and at least one heat pipe providing a thermal coupling...
|
|
|
6484515 |
Pulse tube refrigerator
A pulse tube refrigerator is provided. A pulse tube is inserted into a regenerator such that the central axis of the pulse tube parallels the central axis of the regenerator and that a U-shaped...
|
|
|
6481216 |
Modular eutectic-based refrigeration system
A refrigeration system for chilling an enclosure. The system may include a thermal transfer pathway with a cold producing unit and a thermal storage unit connected to the pathway via a number of...
|
|
|
6481215 |
Sealing device for gas compressor-expander
In a gas compressor-expander according to the invention, a partition wall 19 between a space 21 in the rear of a piston and a crank chamber 12 has a piston rod 22 slidably extending...
|
|
|
6474075 |
Regenerator for a stirling cycle based system
In a regenerator for use in a Stirling cycle based system, a plurality of ribs are formed on a surface of a resin film by applying screen printing thereto using photo-curing ink. The resin film is...
|
|
|
6467276 |
Pulse tube refrigerator
A pulse tube refrigerator includes a compressor, an after-cooler, a regenerating unit, a pulse tube, an inertance tube, a reservoir, and a vibration absorbing unit which are structured such that...
|
|
|
6467277 |
Cold accumulating material, method of manufacturing the same and refrigerator using the material
A cold accumulating material comprising a number of magnetic particles mainly composed of oxide, wherein an average value of equivalent circle diameters of crystal grains constituting the magnetic...
|
|
|
6463744 |
Method and device for producing cold
In a process for refrigeration in the 65 to 150 K temperature range, in which the refrigerant is compressed using an oil-lubricated compressor, then cooled to ambient temperature and then oil is...
|
|
|
6462439 |
Electromagnetic apparatus for producing linear motion
Electromagnetic apparatus for producing an axially directed force comprising a stator having a plurality of axially spaced coils around a working volume within which an armature in the form of a...
|
|
|
6460349 |
Rotary valve unit in a pulse tube refrigerator
A rotary valve unit in a pulse tube refrigerator is quiet, and has high durability and improved refrigeration efficiency by restricting the generation of unidirectional flow. A center hole is...
|
|
|
6460347 |
Stirling refrigerating machine
Insertion holes ( 3 c, 4 e ) into which a connection pipe ( 9 ) are inserted are formed from a casing ( 3 ) to a cylinder ( 4 ). The connection pipe ( 9 ) has a flange ( 9 a ) formed on the outer...
|
|
|
6460348 |
Regenerator and cold accumulation refrigerator using the same
A regenerator comprises a regenerator body and cold accumulating material packed in the regenerator body in which cooling medium gas flows from one end portion of the regenerator body to the other...
|