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Class 62/54.2 - Controlled conversion of solidified gas to another phase


Subclass of Class 62 - Refrigeration
Definition: Process or apparatus wherein a product of refrigeration
No. of patents: 24
Last issue date: 02/19/2008


NumberTitleIssue Date
7331192Insulated container which can be evacuated, for an application to be cooled
The invention relates to an insulated container (11) which can be evacuated and has an application (12) to be cooled, in which insulated container (11) a vacuum can be built up by means of a vacuum pump (22). In order to allow the vacuum ...
02/19/2008
7299650Dry cryogenic shipping container
A dry cryogenic shipping container having a removable absorbent assembly is provided. The dry cryogenic shipping container is structured to be a Dewar's flask having a first, outer shell assembly, and second, inner shell assembly disposed within and spaced from the ...
11/27/2007
7201018Generation and delivery system for high pressure ultra high purity product
The invention relates to a process and apparatus for delivering an ultra high purity fluid comprising at least one component to a point of use at a required pressure without mechanical pumping. In one embodiment, a high purity feed comprising at least one component ...
04/10/2007
7076970System for supply and delivery of carbon dioxide with different purity requirements
A system for the bulk supply and delivery of a carbon dioxide product stream to at least one process tool in a plurality of applications at varying pressure, purity or other process parameter within a manufacturing facility and method comprising same is disclosed he...
07/18/2006
6968711Temperature controlled shipping containers
Novel sorption cooling devices capable of providing cooling over an extended period of time are disclosed. The sorption cooling devices are particularly useful for temperature-controlled shipping containers that are required to maintain a temperature below ambient f...
11/29/2005
6604366Solid cryogen cooling system for focal plane arrays
A cryogenic cooling system (12) for cooling electromagnetic energy detectors (50). The cooling system (12) includes a first mechanism (18) that accommodates cryogen fluid in one or more spaces (58, 60). A second mechanism (16, 42) freezes the cryogen flui...
08/12/2003
6079222Method for preparing deep-frozen liquid gas
The object of the invention is to provide a method for preparing deep-frozen liquid gas for the purpose of recovering process energy for a downstream process, with which the refrigerating capacity of the deep-frozen liquid gas can also be used in the down...
06/27/2000
6028235Gas hydrate regassification method and apparatus using steam or other heated gas or liquid
A method and apparatus for safely, conveniently, and inexpensively liberating gas from gas hydrates includes the use of a device, provided adjacent to or in the bulk gas hydrates, for exposing the gas hydrates to heat from a gas or liquid (preferably stea...
02/22/2000
5941081Solid phase latent heat vapor extraction and recovery system for liquified gases
The invention provides a system for unloading liquified gases from rail cars or other transport vehicles by using an energy buffer system which allows the shifting of electric demand to off-peak hours when electric power rates are lower. The system employ...
08/24/1999
5724820Permanent magnet system based on high-temperature superconductors with recooling and recharging capabilities
In a "permanent" magnet system based on high-temperature superconductors, a superconducting magnet is cooled to a temperature below its critical temperature with a cooler. The magnet is coupled to a cold body of solid nitrogen which is insulated to minimi...
03/10/1998
5697434Device having a reduced parasitic thermal load for terminating thermal conduit
A device for receiving thermal conduit comprising a thermally conductive material for coupling between an end of a conducting element of the thermal conduit and an end of an outer shell of the thermal conduit. The thermally conductive material is arranged...
12/16/1997
5615557Apparatus for self-sufficiently cooling high temperature superconducting components
A cooling apparatus especially for cooling high-temperature-superconducting lectronic components includes a cold gas cooling machine, such as a Stirling machine, thermally connected to a pressure vessel serving as a cold reservoir vessel. The pressure vess...
04/01/1997
5355684Cryogenic shipment or storage system for biological materials
A system for the storage or shipment of frozen or chilled biological materials consisting of a cryogenically insulated vessel which contains a heat sink material. The heat sink material is initially chilled to a very low temperature to keep the contents o...
10/18/1994
5214926Device, especially autonomous and portable for extracting heat from a hot source
Device for extracting heat from a hot source (7) and transferring it to an autonomous heat accumulator, which is portable, forming a cold source, this device having the special feature that the said accumulator is formed by an enclosure (1) containing amm...
06/01/1993
5074126Mobile refrigerated chamber for food products
An installation for generation of a refrigerated gas flow from a mass of refrigerating material in solid or liquid state, includes a closed vaporization chamber (4) containing a charge (7) of refrigerating material in liquid or solid state and capable of ...
12/24/1991
4843829Reliquefaction of boil-off from liquefied natural gas
The present invention relates to an improved process for the reliquefaction of boil-off gas containing up to 10% nitrogen resulting from the evaporation of liquefied natural gas (LNG) contained in a storage vessel. In the process, a closed-loop nitrogen r...
07/04/1989
4695302Production of large quantities of CO2 snow
Large quantities of CO2 snow are provided by a system and method which utilizes two reservoirs which maintain at least about 4500 pounds of CO2 at about its triple point, a substantial portion of which contains solid CO2. ...
09/22/1987
4693737Remote cooling CO2 applications
A plurality of work stations may be cooled and temperature-controlled with subcooled liquid CO2 without a plurality of mechanical units for cooling CO2 and high capital costs resulting therefrom. The system includes a plurality of sp...
09/15/1987
4546611UF6 -Recovery process utilizing desublimation
The invention is a UF6 -recovery process of the kind in which a stream of substantially pure gaseous UF6 is directed through an externally chilled desublimer to convert the UF6 directly to an annular solid ring adhering to...
10/15/1985
4507941Solid subliming cooler with radiatively-cooled vent line
The vent line of a space-borne solid subliming cooler is formed to provide a heat radiator which radiates much of the heat losses otherwise parasitically conducted back to the cooler thereby permitting the use of certain high heat capacity cryogens at ope...
04/02/1985
4326867Gas recovery
A gas recovery method and apparatus for the recovery and storage of a gas from a gas enclosure or circuit particularly for the recovery of sulphur hexafluoride (SF6) from the arc chamber of a high voltage/current circuit breaker. A gas bottle i...
04/27/1982
4166731Process for the continuous introduction of fine-grained and dust-like solids into a pressurized reaction space
Fine-grained solids including dust-like solids are introduced into a reaction space which is under pressure such as used in the gasifying of coal is effected by mixing carbon dioxide in the form of dry ice with the solids after the solids have been precoo...
09/04/1979
4127008Method and apparatus for cooling material using liquid CO2
Apparatus for supplying a refrigeration system with a low-temperature liquid CO2. High pressure liquid CO2 is supplied from a storage vessel system to a holding chamber where the pressure is reduced to create vapor and CO2...
11/28/1978
4127163Freezer-sublimer for gaseous diffusion plant
A method and apparatus is disclosed for freezing and subliming uranium hexafluoride (UF6) as part of a gaeous diffusion plant from which a quantity of the UF6 inventory is intermittently withdrawn and frozen to solidify it. A plurali...
11/28/1978
 
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