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WO/2012/012785 |
An improved cryogenic cooler with an expander is disclosed where the regenerator matrix for an embodiment is decoupled from the displacer or piston, thereby allowing the design of each to be optimized substantially independently. The reg...
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WO/2012/011017 |
The invention relates to a method for estimating a heat load imposed on a cryogenic refrigerator, to an associated computer program product, and to a method for controlling the cooling power output by said refrigerator. As the refrigerat...
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WO/2012/008868 |
The objective of the present invention is to intensify the convective component of heat transfer, which leads to increasing the energy efficiency of heat transfer device, reducing its weight and cost. The device includes a fan with direc...
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WO/2012/003906 |
The invention relates to a refrigeration system for cooling the interior of a mobile refrigerated space, for example a refrigerated container, comprising two speed-controlled compressors, which can be operated in parallel as a single sta...
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WO/2011/158281 |
The disclosed ultra-low temperature freezer (10) is provided with: a freezer that is provided with a displacer (14) that is driven within a cylinder (12) in order to intake/discharge a working gas; a compressor (30) that is for compressi...
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WO/2011/158411 |
Disclosed is a re-condensation device that allows an NMR analysis device to be reduced in overall size and also minimizes heat penetration into a liquid helium tank. Also disclosed is an NMR analysis device provided with said re-condensa...
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WO/2011/150940 |
The present invention relates to a cooling system and a non-azeotropic refrigerant mixture of environmentally friendly refrigerants comprises a first main group of refrigerants, which first main group comprises at least a mixture of the ...
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WO/2011/143862 |
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 bracket (14) and a support shelf (15). T...
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WO/2011/143398 |
In accordance with an embodiment of the invention, there is provided a system for cooling a load. The system comprises a closed loop primary refrigeration system comprising: a primary compressor taking in a primary refrigerant at a low p...
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WO/2011/137476 |
The invention relates to a device (1) and a method for converting thermal energy of low temperature to thermal energy of high temperature by means of mechanical energy and vice versa, said device comprising a rotor (2) that is rotatably ...
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WO/2011/139989 |
A system and a method for liquefaction of gases which are utilized in their liquid state as refrigerants in applications that require low temperatures, throughout various pressure ranges, from slightly above atmospheric pressures to pres...
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WO/2011/132231 |
A flow-generating device (18) for imparting flow to a refrigerant line (24) is provided to the outside of a low-temperature container (16) of the disclosed cooling system (10). A low-temperature fluid that has been routed through a super...
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WO/2011/132563 |
Disclosed are a rotary valve and a cryogenic refrigerator using same. The rotary valve has a valve body to which a body-side duct has been formed and a valve plate to which a plate-side duct has been formed, causes the body-side sliding ...
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WO/2011/129317 |
Disclosed is a cryogenic refrigerator having a cylinder to which refrigerant gas is supplied, a displacer which reciprocates within the cylinder, a drive device which reciprocates the displacer within the cylinder, and a coupling mechani...
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WO/2011/124790 |
The invention relates to a cooling device including a cooling tube (2) containing a cycle gas; a pressure oscillator (7) that is connected to a first end of the cooling tube in order to generate pressure oscillation and movement of the c...
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WO/2011/117499 |
A method for the pulsating load refrigeration of a component (1) of a tokamak (11), said method using a refrigeration device (2) subjecting a working fluid such as helium to a working cycle (3), the tokamak (11) comprising at least one o...
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WO/2011/115200 |
Disclosed is a helium-cooling type cold storage apparatus which cools and stores working gas, and which has at least two storage spaces along the temperature gradient direction in which the working gas circulates, said storage spaces acc...
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WO/2011/115201 |
Disclosed is a displacer wherein a cooling storage element is disposed on the inside of a cylindrical member, said displacer reciprocating within a cylinder so that working fluid compressed within the cylinder is expanded to generate col...
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WO/2011/115107 |
Disclosed is a helium-cooling type cold storage apparatus which cools and stores working gas, and which has a first compartment in which working gas circulates and a second compartment in which helium gas acting as a cold storage medium ...
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WO/2011/112411 |
Embodiments of apparatus, transport refrigeration units, and methods for operating the same can control defrost operations for a refrigerant vapor compression system. Embodiments can provide control for transitioning a refrigerant vapor ...
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WO/2011/110768 |
The invention relates to a method and device for pulsed charge refrigeration of a member (1) from a "Tokamak" (11), that is, a member (1) from a piece of intermittent plasma generation equipment (11). The method uses a refrigeration devi...
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WO/2011/112495 |
Embodiments of apparatus, transport refrigeration units, and methods for operating the same can control refrigerant compression device restart for a refrigerant vapor compression system. Embodiments can provide control for transitioning ...
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WO/2011/112500 |
Embodiments of apparatus, transport refrigeration units, and methods for operating the same can control cooling capacity for a refrigerant vapor compression system. Embodiments can provide use discharge pressure control for modulating co...
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WO/2011/105684 |
The present invention relates to a displacer valve for a cryogenic refrigerator, which is fastened to an annular side of a displacer cover by means of a bolt, and which opens/shuts a hole formed at the side of the displacer cover. The di...
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WO/2011/105682 |
According to the present invention, a cryogenic refrigerator comprises: a sealed shell; a fixed member which is arranged in the sealed shell and which includes a cylinder; a movable member including a piston, which reciprocates in an axi...
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WO/2011/104453 |
The invention relates to a method implementing liquid CO2 as a cryogenic fluid for transferring negative calories to products, said method being of the so-called indirect injection type wherein the liquid CO2 is sent into a heat exchange...
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WO/2011/105682 |
According to the present invention, a cryogenic refrigerator comprises: a sealed shell; a fixed member which is arranged in the sealed shell and which includes a cylinder; a movable member including a piston, which reciprocates in an axi...
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WO/2011/105681 |
According to the present invention, a cryogenic refrigerator comprises: a sealed shell; a fixed member which is arranged in the sealed shell and which includes a cylinder; a movable member including a piston which reciprocates in an axia...
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WO/2011/105683 |
The present invention relates to a cryogenic refrigerator, comprising: a piston which reciprocates in an axial direction within a cylinder; a displacer which reciprocates in the direction opposite to that of the piston; a compression spa...
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WO/2011/105683 |
The present invention relates to a cryogenic refrigerator, comprising: a piston which reciprocates in an axial direction within a cylinder; a displacer which reciprocates in the direction opposite to that of the piston; a compression spa...
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WO/2011/105684 |
The present invention relates to a displacer valve for a cryogenic refrigerator, which is fastened to an annular side of a displacer cover by means of a bolt, and which opens/shuts a hole formed at the side of the displacer cover. The di...
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WO/2011/100974 |
The apparatus comprises a cooling arrangement with an expander/compressor system, condenser and evaporator primarily for air conditioning. An external heat source is provided for transfer of heat to the expander housing. For example, thi...
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WO/2011/102858 |
A sensor for sensing the position of a reciprocating free piston in a free piston Stirling machine. The sensor has a disk mounted to an end face of the power piston coaxially with its cylinder and reciprocating with the piston The disk i...
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WO/2011/099933 |
An example revolving vane expander includes a cylinder. A rotor is housed within the cylinder to establish a working chamber between the cylinder and the rotor. The rotor is eccentrically mounted relative to the cylinder. A vane is secur...
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WO/2011/092881 |
Use of a double bond-containing hydrofluoroolefin refrigerant causes a problem that it generates hydrogen fluoride by cleavage and decomposition under influence of oxygen, leading to degradation of the materials and the refrigeration oil...
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WO/2011/093521 |
An object of the present invention is to provide a refrigerant composition having a reduced amount of comprehensive environmental load, in which the refrigerant composition has low GWP (direct impact on global warming is low), and has go...
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WO/2011/091014 |
A refrigerant vapor compression system (10) includes a plurality of components, including a flash tank (70), connected in a refrigerant flow circuit by a plurality of refrigerant lines (2, 4, 6, 8). The system internal volume equals to t...
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WO/2011/089768 |
Provided is a cold-storage-type cryocooler that can achieve stable cooling temperatures with a simple structure. The disclosed cold-storage-type cryocooler cools the cooling stage (32) to cryogenic temperatures by repetitively compressin...
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WO/2011/080630 |
When cooling a superconducting magnet for use in a magnetic resonance imaging (MRI) device, a two-stage cryocooler (42) employs a first stage cooler (52) to cool a working gas (e.g., Helium, Hydrogen, etc.) to approximately 25 K. The wor...
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WO/2011/077088 |
Non ozone depleting and non flammable refrigerant compositions with GWPs less than 2,000 ITH which replace R404A, R507, HCFC22 and CFC502 in refrigeration systems.
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WO/2011/073255 |
A refrigeration system (1) for circulating a refrigerant fluid (10) comprises a first compressor (2a) and a second compressor (2b) operable to compress said refrigerant fluid (10) in separate stages of compression and at least one turboe...
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WO/2011/070258 |
The invention relates to a method for low-temperature cooling/liquefaction of a working fluid, in particular a working fluid including helium or consisting of pure helium by means of a refrigerator/liquefier that includes a working circu...
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WO/2011/066214 |
The present disclosure provides a refrigerant vapor compression system includes a compressor (12) having a suction port and a discharge port, a refrigerant heat rejection heat exchanger (24) operatively coupled downstream to the discharg...
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WO/2011/062958 |
A heat exchanger device is provided. The device includes, but is not limited to, a vortex tube and a hollow tube. The vortex tube includes, but is not limited to, a fluid supply tube connected with a swirl chamber, an inlet of a first in...
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WO/2011/062958 |
A heat exchanger device is provided. The device includes, but is not limited to, a vortex tube (110) and a hollow tube (180). The vortex tube includes, but is not limited to, a fluid supply tube (120) connected with a swirl chamber (140)...
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WO/2011/056824 |
The present invention relates to a cascade refrigeration system which circulates a refrigerant comprising a fluoroolefin therethrough. The cascade refrigeration system includes a low temperature refrigeration loop and a medium temperatur...
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WO/2011/054396 |
A refrigerating system (2) according to exemplary embodiments of the invention comprises a refrigerant circuit having the following elements: a first compressor unit (4), a condenser/gas cooler (6), and a collecting container (10); a nor...
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WO/2011/054397 |
A refrigerating circuit (2) according to exemplary embodiments of the invention comprises a first compressor unit (4), a condenser/gas cooler (6), and a collecting container (10), a normal refrigeration branch coupled between the collect...
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WO/2011/049778 |
Embodiments of transport refrigeration systems, apparatus, and/or methods for the same can provide exemplary verification for operating characteristics thereof. In one embodiment, a calculated compressor mid stage pressure can be verifie...
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WO/2011/049767 |
A method is provided for protecting a refrigerant vapor compression system during a standstill period following shutdown of the refrigerant vapor compression system. A method is provided for detecting a low refrigerant charge level in a ...
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