METHOD AND DEVICE FOR LOW-TEMPERATURE COOLING/LIQUEFACTION
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 circuit provided with a compressor station and a cold box. The refri...
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| creator | DURAND, FABIEN DELCAYRE, FRANCK ANDRIEU, FRÉDÉRIC GRABIE, VÉRONIQUE BERNHARDT, JEAN-MARC |
| description | 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 circuit provided with a compressor station and a cold box. The refrigerator/liquefier subjects the working gas within the working circuit to a cycle that includes, in series: compressing the working fluid within the compressor station, cooling and decompressing the working fluid in the cold box, and heating the working fluid with a view to the return thereof to the compressor station. The compressor station includes one or more compression levels, each one using one or more compressors mounted on landings. The method is characterized in that the refrigerator includes a device for injecting a seal gas that is separate from the working fluid on at least one landing of the compressor(s) so as to form a gas seal that guides the working fluid leaks, coming from the working circuit, to an area for recirculating and returning the fluid into the working circuit. |
| format | Patent |
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The refrigerator/liquefier subjects the working gas within the working circuit to a cycle that includes, in series: compressing the working fluid within the compressor station, cooling and decompressing the working fluid in the cold box, and heating the working fluid with a view to the return thereof to the compressor station. The compressor station includes one or more compression levels, each one using one or more compressors mounted on landings. The method is characterized in that the refrigerator includes a device for injecting a seal gas that is separate from the working fluid on at least one landing of the compressor(s) so as to form a gas seal that guides the working fluid leaks, coming from the working circuit, to an area for recirculating and returning the fluid into the working circuit.</description><language>eng ; pol</language><subject>BLASTING ; COMBINED HEATING AND REFRIGERATION SYSTEMS ; HEAT PUMP SYSTEMS ; HEATING ; LIGHTING ; LIQUEFACTION SOLIDIFICATION OF GASES ; LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS ; MANUFACTURE OR STORAGE OF ICE ; MECHANICAL ENGINEERING ; MIXTURES BY PRESSURE AND COLD TREATMENT ; REFRIGERATION MACHINES, PLANTS OR SYSTEMS ; REFRIGERATION OR COOLING ; WEAPONS</subject><creationdate>2014</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140331&DB=EPODOC&CC=PL&NR=2510292T3$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140331&DB=EPODOC&CC=PL&NR=2510292T3$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DURAND, FABIEN</creatorcontrib><creatorcontrib>DELCAYRE, FRANCK</creatorcontrib><creatorcontrib>ANDRIEU, FRÉDÉRIC</creatorcontrib><creatorcontrib>GRABIE, VÉRONIQUE</creatorcontrib><creatorcontrib>BERNHARDT, JEAN-MARC</creatorcontrib><title>METHOD AND DEVICE FOR LOW-TEMPERATURE COOLING/LIQUEFACTION</title><description>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 circuit provided with a compressor station and a cold box. The refrigerator/liquefier subjects the working gas within the working circuit to a cycle that includes, in series: compressing the working fluid within the compressor station, cooling and decompressing the working fluid in the cold box, and heating the working fluid with a view to the return thereof to the compressor station. The compressor station includes one or more compression levels, each one using one or more compressors mounted on landings. The method is characterized in that the refrigerator includes a device for injecting a seal gas that is separate from the working fluid on at least one landing of the compressor(s) so as to form a gas seal that guides the working fluid leaks, coming from the working circuit, to an area for recirculating and returning the fluid into the working circuit.</description><subject>BLASTING</subject><subject>COMBINED HEATING AND REFRIGERATION SYSTEMS</subject><subject>HEAT PUMP SYSTEMS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>LIQUEFACTION SOLIDIFICATION OF GASES</subject><subject>LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS</subject><subject>MANUFACTURE OR STORAGE OF ICE</subject><subject>MECHANICAL ENGINEERING</subject><subject>MIXTURES BY PRESSURE AND COLD TREATMENT</subject><subject>REFRIGERATION MACHINES, PLANTS OR SYSTEMS</subject><subject>REFRIGERATION OR COOLING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLDydQ3x8HdRcPRzUXBxDfN0dlVw8w9S8PEP1w1x9Q1wDXIMCQ1yVXD29_fx9HPX9_EMDHV1c3QO8fT342FgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8QE-RqaGBkaWRiEhxsbEqAEAv44piw</recordid><startdate>20140331</startdate><enddate>20140331</enddate><creator>DURAND, FABIEN</creator><creator>DELCAYRE, FRANCK</creator><creator>ANDRIEU, FRÉDÉRIC</creator><creator>GRABIE, VÉRONIQUE</creator><creator>BERNHARDT, JEAN-MARC</creator><scope>EVB</scope></search><sort><creationdate>20140331</creationdate><title>METHOD AND DEVICE FOR LOW-TEMPERATURE COOLING/LIQUEFACTION</title><author>DURAND, FABIEN ; DELCAYRE, FRANCK ; ANDRIEU, FRÉDÉRIC ; GRABIE, VÉRONIQUE ; BERNHARDT, JEAN-MARC</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_PL2510292TT33</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; pol</language><creationdate>2014</creationdate><topic>BLASTING</topic><topic>COMBINED HEATING AND REFRIGERATION SYSTEMS</topic><topic>HEAT PUMP SYSTEMS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>LIQUEFACTION SOLIDIFICATION OF GASES</topic><topic>LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS</topic><topic>MANUFACTURE OR STORAGE OF ICE</topic><topic>MECHANICAL ENGINEERING</topic><topic>MIXTURES BY PRESSURE AND COLD TREATMENT</topic><topic>REFRIGERATION MACHINES, PLANTS OR SYSTEMS</topic><topic>REFRIGERATION OR COOLING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>DURAND, FABIEN</creatorcontrib><creatorcontrib>DELCAYRE, FRANCK</creatorcontrib><creatorcontrib>ANDRIEU, FRÉDÉRIC</creatorcontrib><creatorcontrib>GRABIE, VÉRONIQUE</creatorcontrib><creatorcontrib>BERNHARDT, JEAN-MARC</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>DURAND, FABIEN</au><au>DELCAYRE, FRANCK</au><au>ANDRIEU, FRÉDÉRIC</au><au>GRABIE, VÉRONIQUE</au><au>BERNHARDT, JEAN-MARC</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD AND DEVICE FOR LOW-TEMPERATURE COOLING/LIQUEFACTION</title><date>2014-03-31</date><risdate>2014</risdate><abstract>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 circuit provided with a compressor station and a cold box. The refrigerator/liquefier subjects the working gas within the working circuit to a cycle that includes, in series: compressing the working fluid within the compressor station, cooling and decompressing the working fluid in the cold box, and heating the working fluid with a view to the return thereof to the compressor station. The compressor station includes one or more compression levels, each one using one or more compressors mounted on landings. The method is characterized in that the refrigerator includes a device for injecting a seal gas that is separate from the working fluid on at least one landing of the compressor(s) so as to form a gas seal that guides the working fluid leaks, coming from the working circuit, to an area for recirculating and returning the fluid into the working circuit.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; pol |
| recordid | cdi_epo_espacenet_PL2510292TT3 |
| source | esp@cenet |
| subjects | BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING MIXTURES BY PRESSURE AND COLD TREATMENT REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS |
| title | METHOD AND DEVICE FOR LOW-TEMPERATURE COOLING/LIQUEFACTION |
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