GB8500291D0 - Cryogenerator pumps - Google Patents

Cryogenerator pumps

Info

Publication number
GB8500291D0
GB8500291D0 GB858500291A GB8500291A GB8500291D0 GB 8500291 D0 GB8500291 D0 GB 8500291D0 GB 858500291 A GB858500291 A GB 858500291A GB 8500291 A GB8500291 A GB 8500291A GB 8500291 D0 GB8500291 D0 GB 8500291D0
Authority
GB
United Kingdom
Prior art keywords
cryogenerator
pumps
cryogenerator pumps
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
GB858500291A
Other versions
GB2153914A (en
GB2153914B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOC Group Ltd
Original Assignee
BOC Group Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BOC Group Ltd filed Critical BOC Group Ltd
Publication of GB8500291D0 publication Critical patent/GB8500291D0/en
Publication of GB2153914A publication Critical patent/GB2153914A/en
Application granted granted Critical
Publication of GB2153914B publication Critical patent/GB2153914B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/06—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for evacuating by thermal means
    • F04B37/08—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for evacuating by thermal means by condensing or freezing, e.g. cryogenic pumps
GB08500291A 1984-01-07 1985-01-07 Improvements in cryogenerator pumps Expired GB2153914B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848400349A GB8400349D0 (en) 1984-01-07 1984-01-07 Cryogenic pumps

Publications (3)

Publication Number Publication Date
GB8500291D0 true GB8500291D0 (en) 1985-02-13
GB2153914A GB2153914A (en) 1985-08-29
GB2153914B GB2153914B (en) 1987-08-05

Family

ID=10554663

Family Applications (2)

Application Number Title Priority Date Filing Date
GB848400349A Pending GB8400349D0 (en) 1984-01-07 1984-01-07 Cryogenic pumps
GB08500291A Expired GB2153914B (en) 1984-01-07 1985-01-07 Improvements in cryogenerator pumps

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB848400349A Pending GB8400349D0 (en) 1984-01-07 1984-01-07 Cryogenic pumps

Country Status (4)

Country Link
JP (1) JPS60228779A (en)
DE (1) DE3500320A1 (en)
FR (1) FR2557930A1 (en)
GB (2) GB8400349D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8526191D0 (en) * 1985-10-23 1985-11-27 Boc Group Plc Cryopumps
JP6466226B2 (en) 2015-03-31 2019-02-06 住友重機械工業株式会社 Cryopump

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3360949A (en) * 1965-09-20 1968-01-02 Air Reduction Cryopumping configuration
DE1816981A1 (en) * 1968-01-02 1969-08-21 Internat Res & Dev Company Ltd Cryogenic pump
DE2455712A1 (en) * 1974-11-25 1976-08-12 Eckhard Kellner Cryogenic adsorption vacuum pump - has metal plates with adsorbent lacquer within insulated casing shielded from radiation
DE2620880C2 (en) * 1976-05-11 1984-07-12 Leybold-Heraeus GmbH, 5000 Köln Cryopump
GB1603527A (en) * 1978-05-12 1981-11-25 Sciex Inc Multiple stage cryogenic pump and method of pumping
DE2830943C2 (en) * 1978-07-14 1986-06-12 Leybold-Heraeus GmbH, 5000 Köln Cryopump assembly
US4311018A (en) * 1979-12-17 1982-01-19 Varian Associates, Inc. Cryogenic pump
DE3216591A1 (en) * 1982-05-04 1983-11-10 Leybold-Heraeus GmbH, 5000 Köln Cryogenic pump with shutter-like baffle
US4438632A (en) * 1982-07-06 1984-03-27 Helix Technology Corporation Means for periodic desorption of a cryopump
US4446702A (en) * 1983-02-14 1984-05-08 Helix Technology Corporation Multiport cryopump
US4449373A (en) * 1983-02-28 1984-05-22 Helix Technology Corporation Reduced vacuum cryopump

Also Published As

Publication number Publication date
GB2153914A (en) 1985-08-29
DE3500320A1 (en) 1985-08-01
GB2153914B (en) 1987-08-05
JPH0451669B2 (en) 1992-08-19
JPS60228779A (en) 1985-11-14
FR2557930A1 (en) 1985-07-12
GB8400349D0 (en) 1984-02-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930107