FR1597256A - - Google Patents

Info

Publication number
FR1597256A
FR1597256A FR1597256DA FR1597256A FR 1597256 A FR1597256 A FR 1597256A FR 1597256D A FR1597256D A FR 1597256DA FR 1597256 A FR1597256 A FR 1597256A
Authority
FR
France
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1597256A publication Critical patent/FR1597256A/fr
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)
FR1597256D 1968-01-02 1968-12-27 Expired FR1597256A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB31968 1968-01-02

Publications (1)

Publication Number Publication Date
FR1597256A true FR1597256A (en) 1970-06-22

Family

ID=9702295

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1597256D Expired FR1597256A (en) 1968-01-02 1968-12-27

Country Status (2)

Country Link
DE (1) DE1816981A1 (en)
FR (1) FR1597256A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0079960A1 (en) * 1981-05-22 1983-06-01 Helix Tech Corp Improved cryopump.

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2620383C2 (en) * 1976-05-08 1986-05-15 Black & Decker Inc., Newark, Del. Insert tool for hand drills
DE2620880C2 (en) * 1976-05-11 1984-07-12 Leybold-Heraeus GmbH, 5000 Köln Cryopump
US4150549A (en) * 1977-05-16 1979-04-24 Air Products And Chemicals, Inc. Cryopumping method and apparatus
DE2907055A1 (en) * 1979-02-23 1980-08-28 Kernforschungsanlage Juelich HEAT RADIATION SHIELD FOR CRYOPUM PUMPS
GB8400349D0 (en) * 1984-01-07 1984-02-08 Boc Group Plc Cryogenic pumps
EP0223868A1 (en) * 1985-11-16 1987-06-03 NTG Neue Technologien GmbH & Co. KG Process for the reliquefaction of helium at or in a closed loop-operated bath cryo pump
JP3123126B2 (en) * 1991-07-15 2001-01-09 株式会社日立製作所 Vacuum container with cooler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0079960A1 (en) * 1981-05-22 1983-06-01 Helix Tech Corp Improved cryopump.
EP0079960A4 (en) * 1981-05-22 1983-09-20 Helix Tech Corp Improved cryopump.

Also Published As

Publication number Publication date
DE1816981A1 (en) 1969-08-21

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Legal Events

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