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WO/2007/025027A2 |
A thermodynamic system that can approximate the Ericsson or Brayton cycles an operated in reverse or forward modes to implement a cooler or engine, including a device for compressing a first fluid stream containing a first gas -liquid mi...
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WO/2007/023684A1 |
An air cycle refrigerating/cooling system capable of providing stable high-speed rotation by maintaining a space between each of the discs and the housing of a turbine unit at the minimum, enabling an increase in the long-term durability...
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WO/2007/023836A1 |
A turbine unit for refrigerating/cooling an air cycle, wherein a compressor vane wheel (6a) and a turbine vane wheel (7a) are fitted to both ends of a spindle (13), and the compressor vane wheel (6a) is driven by a power generated by the...
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WO/2007/022777A1 |
The present invention relates to a heat exchanger (22,100) in particular for a transcritical refrigeration system (10) with a first flow channel (24,102) positioned in thermal contact with a second flow channel (38,104) for heat exchange...
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WO/2007/022778A1 |
The invention relates to a transcritical refrigeration system with improved performance during transcritical operation. To improve the performance during transcritical operation, a heat exchanger with a refrigerant flow channel is connec...
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WO/2007/020472A1 |
A heating system, particularly a water heating system (10) comprises a heat pump (12) utilising a working fluid in a transcritical cycle, and a heat inlet heat exchanger (14) and a heat outlet heat exchanger (18). The heat inlet heat exc...
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WO/2007/020252A2 |
The invention relates to a method and to an arrangement for liquefying, in particular, by precooling or by supercooling, a stream which is rich in hydrocarbon, in particular a stream of natural gas, by the indirect exchange of heat with ...
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WO/2007/017866A1 |
The invention is a method and system for reducing the temperature of sensor elements (16) from ambient temperature and quickly stabilizing it at a cryogenic temperature. The cooling of the sensor elements using a J-T cooling system (21) ...
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WO/2007/017741A2 |
Heat pumps move heat from a source to a warmer sink, with Bernoulli heat pumps accomplishing this movement by reducing the temperature in a portion of the generally- warmer heat-sink flow. Heat flows spontaneously from the generally cool...
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WO/2007/012855A1 |
Apparatus for detecting the escape of a fluid from a cooling system having a passage (1, 2, 3), comprises: a housing (4, 5) defining a volume abutting one or more portions of said passage; and sensor means (6, 7) adapted to detect the pr...
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WO/2007/012225A1 |
A refrigerating apparatus includes a compressor, a gas cooler, an expander for recovering expansion energy of a refrigerant, and an evaporator, all of which are connected in series to define a refrigeration cycle, The refrigerant is mixe...
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WO/2007/010575A1 |
A system that employs solar energy for producing thermal or electric energy, using the elements constituting a shutter or other casing as absorbing and/or converting elements. In particular, thermal or photovoltaic panels can constitute ...
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WO/2006/137269A1 |
A Sterling cooling chamber (100) has a Sterling refrigeration machine (13) with a heat radiation section (13a) and a heat absorption section (13b), a cooling chamber cooled by cold heat of the heat absorption section (13b), a secondary r...
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WO/2006/135363A1 |
An apparatus for and process for recovering LNG from reservoir natural gas which includes circulating a portion of the natural gas thru a gas cooling loop that includes heat exchanges, an expansion zone and compression zone. The process ...
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WO/2006/135356A1 |
Methods and apparatus are provided for enhancing the performance of rooftop air conditioning systems by operating such systems with an economizer cycle and utilizing a blend incorporating R32 and R125 refrigerants as a working medium, wh...
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WO/2006/135364A1 |
A rotary disc valve unit and refrigerators containing a rotary disc valve unit that has multiple valves, in which at least one rotary valve has ports connecting to the regenerator and at least one rotary valve has ports connecting to the...
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WO/2006/129034A2 |
The invention concerns a method for refrigerating one or more thermal loads which consists in providing a first CO2 source derived from a mechanical cold system, and in feeding one or more evaporators from said first source so as to caus...
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WO/2006/123566A1 |
A regenerator, a method of manufacturing the regenerator, a Stirling engine, and a Stirling refrigerator. The refrigerator installed in the Stirling engine comprises a regenerator film (31) wound up while providing clearances therein. Th...
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WO/2006/124679A2 |
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 form of a pulse tube expander module (13)...
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WO/2006/121434A1 |
A cold cryostorage assembly includes a storage chamber in which specimens can be cryo-preserved. Specimen samples are stored in a vacuum so as to minimize the risk of sample contamination. The specimen samples can be cooled and warmed at...
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WO/2006/121261A1 |
Disclosed is a dimethyl ether (hereinafter, referred to 'DME')-iso-butane mixed refrigerant used in steam-compression refrigerators and air conditioners, and more particularly a mixed refrigerant substituted for a R12 (CFC 12) or a R 134...
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WO/2006/115625A1 |
A refrigerant charging system (10) and method for charging a refrigeration system with refrigerant includes a refrigerant source (12) , one or more cartridges (14) , an input line (16) , an output line (18) , and a scale (36) preferably ...
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WO/2006/111773A2 |
A heat pump device in which a temperature difference is established between two heat exchangers by inducing cyclical expansion and compression pulses in a working fluid vapour or gas which passes through an adsorbent porous solid located...
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WO/2006/112741A1 |
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 which generated pressure waves of gas may pas...
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WO/2006/112150A1 |
In a linear drive device, a cup-like sleeve (14) is made from a material whose main component is resin, and split permanent magnets (15) are insert-molded at the forward end of the sleeve. An auxiliary ring (50) made from a material whos...
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WO/2006/110529A2 |
A cryocooler system having at least one flow straightener (36, 37, 56, 57, 5) which has a system of grooves (3, 4) on its perforated surface for enhancing gas flow uniformity through the system wherein pulsing gas which does not initiall...
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WO/2006/105739A1 |
A refrigeration system and refrigeration method thereof utilizing the principle of thermodynamics comprises a compressor, an air cooler connected to the compressor, an expander having a first end connected to the air cooler, a second end...
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WO/2006/104673A2 |
A thermal machine that can function as either a refrigerator or an external combustion heat engine is disclosed. A working gas undergoes four thermodynamic processes that comprise a Brayton cycle. Two of these processes, adiabatic compre...
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WO/2006/097229A1 |
The invention relates to a cold circuit (1) comprising a compressor (2), a gas cooler (3), an internal heat exchanger (4), an expansion element (5), an evaporator (6) and, optionally, an accumulator (7). The accumulator (7) is arranged i...
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WO/2006/099378A1 |
An HVAC system having a main circuit (100) and a subcooler circuit (210). The main circuit includes a main circuit evaporator (140), a main circuit expansion device (126), a main circuit condenser (118, 120) and a main circuit compressor...
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WO/2006/095022A1 |
A device (10) for supplying preconditioned air to an aircraft on the ground comprises at least one compressed air inlet (14, 14') for supply of the device with primary compressed air and expander means (12, 12') downstream of the compres...
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WO/2006/092108A1 |
The invention relates to a device on a compressor for application in refrigeration plants the compression pressure of which lies within the supercritical range for a refrigerant, for example, C02. Conventionally on generation of refriger...
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WO/2006/092285A2 |
Disclosed is a coolant collector (1) comprising a filter/dryer unit (10) and an elongate, vertically oriented interior space which is subdivided into an upper area (38) and a lower area (39) by means of the filter/dryer unit (10). A flow...
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WO/2006/092871A1 |
A cold storage material, comprising bismuth or bismuth/antimony alloy grains wherein the content of grains of 0.14 to 1.6 mm diameter is ≥ 70 wt.% based on the total weight of grains, and wherein the content of grains of ≤ 5 ratio of...
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WO/2006/092558A1 |
A cryostat assembly comprises: a first thermal shield (1) positioned outside a working volume; and a second thermal shield (4) positioned outside the first thermal shield (1). A first cryocooler (6) has at least two cooling stages operat...
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WO/2006/089948A1 |
A method for cooling a natural gas stream (CxHy) and separating the cooled gas stream into various fractions having different boiling points, such as methane, ethane, propane, butane and condensates, comprises: cooling the gas stream (1,...
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WO/2006/087549A2 |
A heat engine operating on a vapour compression cycle employing as working fluid one of absolute alcohol, at least 25% ethanol in water, methanol and at least 25% methanol in water and/or ethanol.
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WO/2006/087007A1 |
The invention relates to a display unit comprising at least one compressor, at least one fluid/gas heat exchanger for cooling the compressed gas, at least one evaporator, at least one expansion device and high pressure conduits connectin...
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WO/2006/087004A1 |
Refrigeration circuit (2) for circulating a refrigerant in a predetermined flow direction, comprising in flow direction a heat rejecting heat exchanger (4), an evaporator throttle valve (8), an evaporator (10), a compressor (22), an inte...
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WO/2006/087075A1 |
According to the invention, a refrigeration plant comprising a refrigerant circuit (10), in which a main mass flow (56) of a refrigerant flows which may be optimally matched to differing operating conditions may be achieved, whereby at l...
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WO/2006/087005A1 |
Method for controlling an intermittently supercritically operating refrigeration circuit (2) comprising a compressor (4) a heat-rejecting heat exchanger (10) and a control valve (12) and a control (16), the method comprising the followin...
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WO/2006/085431A1 |
A piston for a Stirling engine which is reciprocatingly moved in a cylinder by a linear motor and in which a bearing hole for a displacer rod connecting a displacer to a spring is formed at its axis. The piston comprises a body having a ...
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WO/2006/085738A1 |
Heat pump system (10) for retrieval of residual heat from a flow (F1) of a fluidum, the heat pump system comprising: a first volume (V1) being arranged for containing, at a first state of a first pressure (P1) and a first temperature (T1...
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WO/2006/082713A1 |
A control device executes control of overmodulation when a piston is decided to move with a maximum stroke, the modulation ratio of the PWM has reached the maximum modulation ratio, and the current stroke is smaller than the maximum stro...
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WO/2006/078437A1 |
A multi-stage cryocooler (100) includes a concentric second-stage pulse tube expander (130) in which a pulse tube (132) is located within a second-stage regenerator (131). In one embodiment, an inner wall of the regenerator also function...
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WO/2006/078643A2 |
A cryogenic biological preservation unit having a removable lid and an integrated cryocooler (6, 8) positioned apart from, or within a fixed portion (11) of, the lid (21) and which provides refrigeration to the upper portion of the inter...
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WO/2006/077805A1 |
A Stirling engine, wherein the inner yoke of a linear motor is installed on the outer peripheral surface of a cylinder. To keep a balance between a pressure in a compression space on one end side of a displacer and a pressure in a back p...
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WO/2006/075982A1 |
The present invention relates to valved cryogenic refrigerators, in particular, Gifford McMahon (GM) refrigerators, and GM type pulse tube refrigerators where gas is cycled between high and low pressures by a valve mechanism that connect...
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WO/2006/075981A1 |
The problems of reducing the torque required to turn the valve, eliminating wear dust, and extending the life of the valves in Gifford McMahon (G-M) type multi-port pulse tube refrigerators are solved by using a rotary spool valve having...
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WO/2006/073006A1 |
A thermoacoustic device (1) capable of securely producing a standing wave and a traveling wave with large sound pressures in a loop tube. The device comprises the loop tube (2) in which a working fluid is sealed, first stacks (3a) instal...
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