FR2220691B1 - - Google Patents

Info

Publication number
FR2220691B1
FR2220691B1 FR7407840A FR7407840A FR2220691B1 FR 2220691 B1 FR2220691 B1 FR 2220691B1 FR 7407840 A FR7407840 A FR 7407840A FR 7407840 A FR7407840 A FR 7407840A FR 2220691 B1 FR2220691 B1 FR 2220691B1
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
FR7407840A
Other languages
French (fr)
Other versions
FR2220691A1 (enrdf_load_stackoverflow
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
British Oxigen 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 British Oxigen Ltd filed Critical British Oxigen Ltd
Publication of FR2220691A1 publication Critical patent/FR2220691A1/fr
Application granted granted Critical
Publication of FR2220691B1 publication Critical patent/FR2220691B1/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
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F9/00—Diffusion pumps
    • F04F9/06—Arrangement of vapour traps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
FR7407840A 1973-03-08 1974-03-07 Expired FR2220691B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1133473A GB1448752A (en) 1973-03-08 1973-03-08 Vacuum pumping assembly

Publications (2)

Publication Number Publication Date
FR2220691A1 FR2220691A1 (enrdf_load_stackoverflow) 1974-10-04
FR2220691B1 true FR2220691B1 (enrdf_load_stackoverflow) 1978-02-10

Family

ID=9984343

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7407840A Expired FR2220691B1 (enrdf_load_stackoverflow) 1973-03-08 1974-03-07

Country Status (6)

Country Link
US (1) US3902330A (enrdf_load_stackoverflow)
JP (1) JPS5047210A (enrdf_load_stackoverflow)
DE (1) DE2410672A1 (enrdf_load_stackoverflow)
FR (1) FR2220691B1 (enrdf_load_stackoverflow)
GB (1) GB1448752A (enrdf_load_stackoverflow)
IT (1) IT1007414B (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2233879A5 (enrdf_load_stackoverflow) * 1973-06-15 1975-01-10 British Oxygen Co Ltd
US4718251A (en) * 1986-03-24 1988-01-12 British Aerospace De-contaminated fluid supply apparatus and cryogenic cooling systems using such apparatus
JP2719298B2 (ja) * 1993-07-29 1998-02-25 アプライド マテリアルズ インコーポレイテッド 真空装置の冷却構造
GB9504260D0 (en) * 1995-03-03 1995-04-19 Boc Group Plc Improvements in diffusion pumps
US7194861B2 (en) 2004-11-26 2007-03-27 Bishop Lloyd E Two stroke steam-to-vacuum engine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2934257A (en) * 1956-01-25 1960-04-26 Edwards High Vacuum Ltd Vapour vacuum pumps
US3122896A (en) * 1962-10-31 1964-03-03 Cryovac Inc Pump heat radiation shield
GB1066971A (en) * 1963-05-30 1967-04-26 Edwards High Vacuum Int Ltd Improvements in or relating to vacuum pumps
US3423947A (en) * 1967-07-17 1969-01-28 Yosimaro Moriya Vacuum traps utilizing electronic refrigerating elements
FR1587077A (enrdf_load_stackoverflow) * 1968-08-01 1970-03-13
GB1313135A (en) * 1969-04-28 1973-04-11 Edwards High Vacuum Int Ltd Vapour trap for a vapour vacuum pump
US3719052A (en) * 1971-05-04 1973-03-06 G White Vacuum system cold trap
FR2163945A5 (enrdf_load_stackoverflow) * 1971-12-07 1973-07-27 Cit Alcatel

Also Published As

Publication number Publication date
JPS5047210A (enrdf_load_stackoverflow) 1975-04-26
US3902330A (en) 1975-09-02
IT1007414B (it) 1976-10-30
FR2220691A1 (enrdf_load_stackoverflow) 1974-10-04
DE2410672A1 (de) 1974-09-12
GB1448752A (en) 1976-09-08

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Legal Events

Date Code Title Description
ST Notification of lapse