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GB2058934B - Cryopumps - Google Patents

Cryopumps

Info

Publication number
GB2058934B
GB2058934B GB7932212A GB7932212A GB2058934B GB 2058934 B GB2058934 B GB 2058934B GB 7932212 A GB7932212 A GB 7932212A GB 7932212 A GB7932212 A GB 7932212A GB 2058934 B GB2058934 B GB 2058934B
Authority
GB
United Kingdom
Prior art keywords
cryopumps
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.)
Expired
Application number
GB7932212A
Other versions
GB2058934A (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 Ltd Australia
Original Assignee
BOC Ltd Australia
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 Ltd Australia filed Critical BOC Ltd Australia
Priority to GB7932212A priority Critical patent/GB2058934B/en
Publication of GB2058934A publication Critical patent/GB2058934A/en
Application granted granted Critical
Publication of GB2058934B publication Critical patent/GB2058934B/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
GB7932212A 1979-09-17 1979-09-17 Cryopumps Expired GB2058934B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7932212A GB2058934B (en) 1979-09-17 1979-09-17 Cryopumps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7932212A GB2058934B (en) 1979-09-17 1979-09-17 Cryopumps

Publications (2)

Publication Number Publication Date
GB2058934A GB2058934A (en) 1981-04-15
GB2058934B true GB2058934B (en) 1983-03-30

Family

ID=10507884

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7932212A Expired GB2058934B (en) 1979-09-17 1979-09-17 Cryopumps

Country Status (1)

Country Link
GB (1) GB2058934B (en)

Also Published As

Publication number Publication date
GB2058934A (en) 1981-04-15

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Legal Events

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

Effective date: 19950917