REFRIGERATION DEVICE
PROBLEM TO BE SOLVED: To provide a refrigeration device capable of improving cooling capacity and efficiency by controlling a high pressure-side pressure of a low stage-side refrigerant circuit to an optimum value.SOLUTION: In a refrigeration device 1 which includes a high stage-side refrigerant cir...
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| creator | SUDA JUNICHI HIJI HIROAKI OMOTE KAZUHIRO HAYAKAWA MASATAKA MIYAGI KOSUKE |
| description | PROBLEM TO BE SOLVED: To provide a refrigeration device capable of improving cooling capacity and efficiency by controlling a high pressure-side pressure of a low stage-side refrigerant circuit to an optimum value.SOLUTION: In a refrigeration device 1 which includes a high stage-side refrigerant circuit 4, first and second low stage-side refrigerant circuits 6A, 6B, and cascade heat exchangers 43A, 43B for cooling a high pressure-side refrigerant of the low stage-side refrigerant circuits 6A, 6B by evaporating a refrigerant in the high stage-side refrigerant circuit 4, and in which carbon dioxide is sealed in the refrigerant circuits 4, 6A, 6B as the refrigerant, a pressure regulation expansion valve 31 is disposed for regulating a high pressure-side pressure of the low stage-side refrigerant circuits 6A, 6B.
【課題】低段側冷媒回路の高圧側圧力を最適な値に制御して、冷却能力と効率を向上させることができる冷凍装置を提供する。【解決手段】高段側冷媒回路４と、第１、第２の低段側冷媒回路６Ａ、６Ｂと、高段側冷媒回路４の冷媒を蒸発させて低段側冷媒回路６Ａ、６Ｂの高圧側冷媒を冷却するカスケード熱交換器４３Ａ、４３Ｂとを備え、各冷媒回路４、６Ａ、６Ｂには二酸化炭素を冷媒として封入して成る冷凍装置１において、低段側冷媒回路６Ａ、６Ｂの高圧側圧力を調整するための圧力調整用膨張弁３１を設けた。【選択図】図１ |
| format | Patent |
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【課題】低段側冷媒回路の高圧側圧力を最適な値に制御して、冷却能力と効率を向上させることができる冷凍装置を提供する。【解決手段】高段側冷媒回路４と、第１、第２の低段側冷媒回路６Ａ、６Ｂと、高段側冷媒回路４の冷媒を蒸発させて低段側冷媒回路６Ａ、６Ｂの高圧側冷媒を冷却するカスケード熱交換器４３Ａ、４３Ｂとを備え、各冷媒回路４、６Ａ、６Ｂには二酸化炭素を冷媒として封入して成る冷凍装置１において、低段側冷媒回路６Ａ、６Ｂの高圧側圧力を調整するための圧力調整用膨張弁３１を設けた。【選択図】図１</description><language>eng ; jpn</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>2015</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=20151008&DB=EPODOC&CC=JP&NR=2015178919A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25568,76551</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20151008&DB=EPODOC&CC=JP&NR=2015178919A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SUDA JUNICHI</creatorcontrib><creatorcontrib>HIJI HIROAKI</creatorcontrib><creatorcontrib>OMOTE KAZUHIRO</creatorcontrib><creatorcontrib>HAYAKAWA MASATAKA</creatorcontrib><creatorcontrib>MIYAGI KOSUKE</creatorcontrib><title>REFRIGERATION DEVICE</title><description>PROBLEM TO BE SOLVED: To provide a refrigeration device capable of improving cooling capacity and efficiency by controlling a high pressure-side pressure of a low stage-side refrigerant circuit to an optimum value.SOLUTION: In a refrigeration device 1 which includes a high stage-side refrigerant circuit 4, first and second low stage-side refrigerant circuits 6A, 6B, and cascade heat exchangers 43A, 43B for cooling a high pressure-side refrigerant of the low stage-side refrigerant circuits 6A, 6B by evaporating a refrigerant in the high stage-side refrigerant circuit 4, and in which carbon dioxide is sealed in the refrigerant circuits 4, 6A, 6B as the refrigerant, a pressure regulation expansion valve 31 is disposed for regulating a high pressure-side pressure of the low stage-side refrigerant circuits 6A, 6B.
【課題】低段側冷媒回路の高圧側圧力を最適な値に制御して、冷却能力と効率を向上させることができる冷凍装置を提供する。【解決手段】高段側冷媒回路４と、第１、第２の低段側冷媒回路６Ａ、６Ｂと、高段側冷媒回路４の冷媒を蒸発させて低段側冷媒回路６Ａ、６Ｂの高圧側冷媒を冷却するカスケード熱交換器４３Ａ、４３Ｂとを備え、各冷媒回路４、６Ａ、６Ｂには二酸化炭素を冷媒として封入して成る冷凍装置１において、低段側冷媒回路６Ａ、６Ｂの高圧側圧力を調整するための圧力調整用膨張弁３１を設けた。【選択図】図１</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>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBAJcnUL8nR3DXIM8fT3U3BxDfN0duVhYE1LzClO5YXS3AxKbq4hzh66qQX58anFBYnJqXmpJfFeAUYGhqaG5haWhpaOxkQpAgC59R8m</recordid><startdate>20151008</startdate><enddate>20151008</enddate><creator>SUDA JUNICHI</creator><creator>HIJI HIROAKI</creator><creator>OMOTE KAZUHIRO</creator><creator>HAYAKAWA MASATAKA</creator><creator>MIYAGI KOSUKE</creator><scope>EVB</scope></search><sort><creationdate>20151008</creationdate><title>REFRIGERATION DEVICE</title><author>SUDA JUNICHI ; HIJI HIROAKI ; OMOTE KAZUHIRO ; HAYAKAWA MASATAKA ; MIYAGI KOSUKE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2015178919A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2015</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>SUDA JUNICHI</creatorcontrib><creatorcontrib>HIJI HIROAKI</creatorcontrib><creatorcontrib>OMOTE KAZUHIRO</creatorcontrib><creatorcontrib>HAYAKAWA MASATAKA</creatorcontrib><creatorcontrib>MIYAGI KOSUKE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SUDA JUNICHI</au><au>HIJI HIROAKI</au><au>OMOTE KAZUHIRO</au><au>HAYAKAWA MASATAKA</au><au>MIYAGI KOSUKE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>REFRIGERATION DEVICE</title><date>2015-10-08</date><risdate>2015</risdate><abstract>PROBLEM TO BE SOLVED: To provide a refrigeration device capable of improving cooling capacity and efficiency by controlling a high pressure-side pressure of a low stage-side refrigerant circuit to an optimum value.SOLUTION: In a refrigeration device 1 which includes a high stage-side refrigerant circuit 4, first and second low stage-side refrigerant circuits 6A, 6B, and cascade heat exchangers 43A, 43B for cooling a high pressure-side refrigerant of the low stage-side refrigerant circuits 6A, 6B by evaporating a refrigerant in the high stage-side refrigerant circuit 4, and in which carbon dioxide is sealed in the refrigerant circuits 4, 6A, 6B as the refrigerant, a pressure regulation expansion valve 31 is disposed for regulating a high pressure-side pressure of the low stage-side refrigerant circuits 6A, 6B.
【課題】低段側冷媒回路の高圧側圧力を最適な値に制御して、冷却能力と効率を向上させることができる冷凍装置を提供する。【解決手段】高段側冷媒回路４と、第１、第２の低段側冷媒回路６Ａ、６Ｂと、高段側冷媒回路４の冷媒を蒸発させて低段側冷媒回路６Ａ、６Ｂの高圧側冷媒を冷却するカスケード熱交換器４３Ａ、４３Ｂとを備え、各冷媒回路４、６Ａ、６Ｂには二酸化炭素を冷媒として封入して成る冷凍装置１において、低段側冷媒回路６Ａ、６Ｂの高圧側圧力を調整するための圧力調整用膨張弁３１を設けた。【選択図】図１</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 | REFRIGERATION DEVICE |
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