Stirling/pulse tube hybrid cryocooler with gas flow shunt
A two-stage hybrid cryocooler (20) includes a first-stage Stirling expander (22) having a first-stage regenerator (24) having a first-stage-regenerator inlet (26) a nd a first-stage-regenerator outlet (28), and a second-stage pulse tube expander (32). The second-stage pulse tube expander (32) includ...
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creator | PRICE, KENNETH D CICCARELLI, KEN J KIRKCONNELL, CARL S |
description | A two-stage hybrid cryocooler (20) includes a first-stage Stirling expander (22) having a first-stage regenerator (24) having a first-stage-regenerator inlet (26) a nd a first-stage-regenerator outlet (28), and a second-stage pulse tube expander (32). The second-stage pulse tube expander (32) includes a second-stage regenerator (34) having a second-stage regenerator inlet (36) in gaseous communication with the first-stage regenerator outlet (28), and a second-stage regenerator outlet (40), and a pulse tube (42) having a pulse-tube inlet (44) in gaseous communication with the second-stage regenerator outlet (40), and a pulse-tube outlet (48). The second-stage regenerator (34) and the pulse tube (42) together provide a first gas-flow path (43) between the first-stage regenerator (24) and the pulse-tube outlet (48). A pulse tube pressure drop structure (50) has a pulse-tube-pressure-drop inlet in gaseous communication with the pulse-tube outlet (48), and a pulse-tube pressure-drop outlet, and a gas volume is in gaseous communication with the pulse-tube pressure-drop outlet. A gas flow shunt (60) provides gaseous communication between the first-stage regenerator (24) and the pulse-tube outlet (48). The gas flow shunt (60) provides a second gas-flow path (62) between the first-stage regenerator (24) and the pulse-tube outlet (48). |
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The second-stage pulse tube expander (32) includes a second-stage regenerator (34) having a second-stage regenerator inlet (36) in gaseous communication with the first-stage regenerator outlet (28), and a second-stage regenerator outlet (40), and a pulse tube (42) having a pulse-tube inlet (44) in gaseous communication with the second-stage regenerator outlet (40), and a pulse-tube outlet (48). The second-stage regenerator (34) and the pulse tube (42) together provide a first gas-flow path (43) between the first-stage regenerator (24) and the pulse-tube outlet (48). A pulse tube pressure drop structure (50) has a pulse-tube-pressure-drop inlet in gaseous communication with the pulse-tube outlet (48), and a pulse-tube pressure-drop outlet, and a gas volume is in gaseous communication with the pulse-tube pressure-drop outlet. A gas flow shunt (60) provides gaseous communication between the first-stage regenerator (24) and the pulse-tube outlet (48). The gas flow shunt (60) provides a second gas-flow path (62) between the first-stage regenerator (24) and the pulse-tube outlet (48).</description><language>eng ; fre ; ger</language><subject>BLASTING ; COMBINED HEATING AND REFRIGERATION SYSTEMS ; HEAT PUMP SYSTEMS ; HEATING ; LIGHTING ; LIQUEFACTION SOLIDIFICATION OF GASES ; MANUFACTURE OR STORAGE OF ICE ; MECHANICAL ENGINEERING ; REFRIGERATION MACHINES, PLANTS OR SYSTEMS ; REFRIGERATION OR COOLING ; WEAPONS</subject><creationdate>2009</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=20090930&DB=EPODOC&CC=EP&NR=1503154B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20090930&DB=EPODOC&CC=EP&NR=1503154B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PRICE, KENNETH D</creatorcontrib><creatorcontrib>CICCARELLI, KEN J</creatorcontrib><creatorcontrib>KIRKCONNELL, CARL S</creatorcontrib><title>Stirling/pulse tube hybrid cryocooler with gas flow shunt</title><description>A two-stage hybrid cryocooler (20) includes a first-stage Stirling expander (22) having a first-stage regenerator (24) having a first-stage-regenerator inlet (26) a nd a first-stage-regenerator outlet (28), and a second-stage pulse tube expander (32). The second-stage pulse tube expander (32) includes a second-stage regenerator (34) having a second-stage regenerator inlet (36) in gaseous communication with the first-stage regenerator outlet (28), and a second-stage regenerator outlet (40), and a pulse tube (42) having a pulse-tube inlet (44) in gaseous communication with the second-stage regenerator outlet (40), and a pulse-tube outlet (48). The second-stage regenerator (34) and the pulse tube (42) together provide a first gas-flow path (43) between the first-stage regenerator (24) and the pulse-tube outlet (48). A pulse tube pressure drop structure (50) has a pulse-tube-pressure-drop inlet in gaseous communication with the pulse-tube outlet (48), and a pulse-tube pressure-drop outlet, and a gas volume is in gaseous communication with the pulse-tube pressure-drop outlet. A gas flow shunt (60) provides gaseous communication between the first-stage regenerator (24) and the pulse-tube outlet (48). The gas flow shunt (60) provides a second gas-flow path (62) between the first-stage regenerator (24) and the pulse-tube outlet (48).</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>MANUFACTURE OR STORAGE OF ICE</subject><subject>MECHANICAL ENGINEERING</subject><subject>REFRIGERATION MACHINES, PLANTS OR SYSTEMS</subject><subject>REFRIGERATION OR COOLING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2009</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLAMLsksysnMS9cvKM0pTlUoKU1KVcioTCrKTFFILqrMT87Pz0ktUijPLMlQSE8sVkjLyS9XKM4ozSvhYWBNSwRq4YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfGuAYamBsaGpiZOhsZEKAEADRUuiA</recordid><startdate>20090930</startdate><enddate>20090930</enddate><creator>PRICE, KENNETH D</creator><creator>CICCARELLI, KEN J</creator><creator>KIRKCONNELL, CARL S</creator><scope>EVB</scope></search><sort><creationdate>20090930</creationdate><title>Stirling/pulse tube hybrid cryocooler with gas flow shunt</title><author>PRICE, KENNETH D ; CICCARELLI, KEN J ; KIRKCONNELL, CARL S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP1503154B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2009</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>MANUFACTURE OR STORAGE OF ICE</topic><topic>MECHANICAL ENGINEERING</topic><topic>REFRIGERATION MACHINES, PLANTS OR SYSTEMS</topic><topic>REFRIGERATION OR COOLING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>PRICE, KENNETH D</creatorcontrib><creatorcontrib>CICCARELLI, KEN J</creatorcontrib><creatorcontrib>KIRKCONNELL, CARL S</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PRICE, KENNETH D</au><au>CICCARELLI, KEN J</au><au>KIRKCONNELL, CARL S</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Stirling/pulse tube hybrid cryocooler with gas flow shunt</title><date>2009-09-30</date><risdate>2009</risdate><abstract>A two-stage hybrid cryocooler (20) includes a first-stage Stirling expander (22) having a first-stage regenerator (24) having a first-stage-regenerator inlet (26) a nd a first-stage-regenerator outlet (28), and a second-stage pulse tube expander (32). The second-stage pulse tube expander (32) includes a second-stage regenerator (34) having a second-stage regenerator inlet (36) in gaseous communication with the first-stage regenerator outlet (28), and a second-stage regenerator outlet (40), and a pulse tube (42) having a pulse-tube inlet (44) in gaseous communication with the second-stage regenerator outlet (40), and a pulse-tube outlet (48). The second-stage regenerator (34) and the pulse tube (42) together provide a first gas-flow path (43) between the first-stage regenerator (24) and the pulse-tube outlet (48). A pulse tube pressure drop structure (50) has a pulse-tube-pressure-drop inlet in gaseous communication with the pulse-tube outlet (48), and a pulse-tube pressure-drop outlet, and a gas volume is in gaseous communication with the pulse-tube pressure-drop outlet. A gas flow shunt (60) provides gaseous communication between the first-stage regenerator (24) and the pulse-tube outlet (48). The gas flow shunt (60) provides a second gas-flow path (62) between the first-stage regenerator (24) and the pulse-tube outlet (48).</abstract><oa>free_for_read</oa></addata></record> |
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subjects | BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS |
title | Stirling/pulse tube hybrid cryocooler with gas flow shunt |
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