JP2020041718A5 - - Google Patents

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Publication number
JP2020041718A5
JP2020041718A5 JP2018167725A JP2018167725A JP2020041718A5 JP 2020041718 A5 JP2020041718 A5 JP 2020041718A5 JP 2018167725 A JP2018167725 A JP 2018167725A JP 2018167725 A JP2018167725 A JP 2018167725A JP 2020041718 A5 JP2020041718 A5 JP 2020041718A5
Authority
JP
Japan
Prior art keywords
displacer
collar
chamber
cryogenic refrigerator
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2018167725A
Other languages
English (en)
Japanese (ja)
Other versions
JP7195824B2 (ja
JP2020041718A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2018167725A priority Critical patent/JP7195824B2/ja
Priority claimed from JP2018167725A external-priority patent/JP7195824B2/ja
Priority to PCT/JP2019/031007 priority patent/WO2020049936A1/ja
Priority to CN201980057658.7A priority patent/CN112639378B/zh
Publication of JP2020041718A publication Critical patent/JP2020041718A/ja
Priority to US17/185,996 priority patent/US11774147B2/en
Publication of JP2020041718A5 publication Critical patent/JP2020041718A5/ja
Application granted granted Critical
Publication of JP7195824B2 publication Critical patent/JP7195824B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2018167725A 2018-09-07 2018-09-07 極低温冷凍機 Active JP7195824B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2018167725A JP7195824B2 (ja) 2018-09-07 2018-09-07 極低温冷凍機
PCT/JP2019/031007 WO2020049936A1 (ja) 2018-09-07 2019-08-06 極低温冷凍機
CN201980057658.7A CN112639378B (zh) 2018-09-07 2019-08-06 超低温制冷机
US17/185,996 US11774147B2 (en) 2018-09-07 2021-02-26 Cryocooler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018167725A JP7195824B2 (ja) 2018-09-07 2018-09-07 極低温冷凍機

Publications (3)

Publication Number Publication Date
JP2020041718A JP2020041718A (ja) 2020-03-19
JP2020041718A5 true JP2020041718A5 (https=) 2021-08-26
JP7195824B2 JP7195824B2 (ja) 2022-12-26

Family

ID=69722417

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018167725A Active JP7195824B2 (ja) 2018-09-07 2018-09-07 極低温冷凍機

Country Status (4)

Country Link
US (1) US11774147B2 (https=)
JP (1) JP7195824B2 (https=)
CN (1) CN112639378B (https=)
WO (1) WO2020049936A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7640298B2 (ja) * 2021-03-15 2025-03-05 住友重機械工業株式会社 極低温冷凍機
EP4423440A4 (en) * 2021-10-26 2025-08-20 Sumitomo Shi Cryogenics Of America Inc GIFFORD-MCMAHON GAS-FED REDUCER SEAL
CN118475803A (zh) * 2022-02-04 2024-08-09 住友重机械工业株式会社 吉福德-麦克马洪（gm）制冷机的第1级置换器、第1级置换器组件及吉福德-麦克马洪制冷机

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3044427C2 (de) * 1980-11-26 1986-10-30 Leybold-Heraeus GmbH, 5000 Köln Verdränger für Tieftemperatur-Kältemaschinen
US4526008A (en) * 1983-03-21 1985-07-02 Texas Instruments Incorporated Pneumatically controlled split cycle cooler
JPH0244662U (https=) * 1988-09-20 1990-03-27
JPH02197765A (ja) 1989-01-25 1990-08-06 Daikin Ind Ltd 極低温冷凍機の衝撃吸収装置
JPH08303889A (ja) * 1995-05-09 1996-11-22 Daikin Ind Ltd 極低温冷凍機
JPH08313094A (ja) * 1995-05-16 1996-11-29 Toshiba Corp 蓄冷式冷凍機
US6256997B1 (en) 2000-02-15 2001-07-10 Intermagnetics General Corporation Reduced vibration cooling device having pneumatically-driven GM type displacer
JP2007205608A (ja) * 2006-01-31 2007-08-16 Sumitomo Heavy Ind Ltd 蓄冷器式冷凍機
JP6202483B2 (ja) * 2012-06-12 2017-09-27 住友重機械工業株式会社 極低温冷凍機
JP6109057B2 (ja) * 2013-12-16 2017-04-05 住友重機械工業株式会社 蓄冷器式冷凍機
JP6188619B2 (ja) * 2014-04-02 2017-08-30 住友重機械工業株式会社 極低温冷凍機
US10634393B2 (en) * 2016-07-25 2020-04-28 Sumitomo (Shi) Cryogenic Of America, Inc. Cryogenic expander with collar bumper for reduced noise and vibration characteristics
WO2018101271A1 (ja) * 2016-11-30 2018-06-07 住友重機械工業株式会社 Ｇｍ冷凍機
CN110446897B (zh) * 2017-03-30 2020-11-20 住友重机械工业株式会社 超低温制冷机及磁屏蔽件
CN108931067B (zh) * 2017-05-24 2020-11-03 中南大学 一种蒸汽压缩制冷系统驱动的脉管式制冷装置

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