GB0202744D0 - Improvements in diffusion pumps - Google Patents

Improvements in diffusion pumps

Info

Publication number
GB0202744D0
GB0202744D0 GBGB0202744.9A GB0202744A GB0202744D0 GB 0202744 D0 GB0202744 D0 GB 0202744D0 GB 0202744 A GB0202744 A GB 0202744A GB 0202744 D0 GB0202744 D0 GB 0202744D0
Authority
GB
United Kingdom
Prior art keywords
diffusion pumps
pumps
diffusion
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.)
Ceased
Application number
GBGB0202744.9A
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
London Chemical Co
Original Assignee
BOC Group Ltd
London Chemical Co
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, London Chemical Co filed Critical BOC Group Ltd
Priority to GBGB0202744.9A priority Critical patent/GB0202744D0/en
Publication of GB0202744D0 publication Critical patent/GB0202744D0/en
Priority to EP03250705A priority patent/EP1336762A1/en
Priority to US10/358,948 priority patent/US20030210986A1/en
Priority to JP2003068880A priority patent/JP2003301800A/en
Ceased 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
    • F04F9/08—Control
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
GBGB0202744.9A 2002-02-06 2002-02-06 Improvements in diffusion pumps Ceased GB0202744D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GBGB0202744.9A GB0202744D0 (en) 2002-02-06 2002-02-06 Improvements in diffusion pumps
EP03250705A EP1336762A1 (en) 2002-02-06 2003-02-04 Improvements in diffusion pumps
US10/358,948 US20030210986A1 (en) 2002-02-06 2003-02-05 Diffusion pumps
JP2003068880A JP2003301800A (en) 2002-02-06 2003-02-06 Diffusion pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0202744.9A GB0202744D0 (en) 2002-02-06 2002-02-06 Improvements in diffusion pumps

Publications (1)

Publication Number Publication Date
GB0202744D0 true GB0202744D0 (en) 2002-03-27

Family

ID=9930514

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB0202744.9A Ceased GB0202744D0 (en) 2002-02-06 2002-02-06 Improvements in diffusion pumps

Country Status (4)

Country Link
US (1) US20030210986A1 (en)
EP (1) EP1336762A1 (en)
JP (1) JP2003301800A (en)
GB (1) GB0202744D0 (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB411911A (en) * 1932-12-16 1934-06-18 Gen Electric Co Ltd Improvements in or relating to evacuating arrangements for evacuating apparatus, for example, mercury arc rectifiers
GB465831A (en) * 1935-11-21 1937-05-18 British Thomson Houston Co Ltd Improvements in and relating to mercury vapour vacuum pumps
GB514767A (en) * 1937-05-18 1939-11-16 Eastman Kodak Co Improvements in high vacuum condensation or diffusion pumps
US2153189A (en) * 1937-05-18 1939-04-04 Distillation Products Inc High vacuum pump
GB613468A (en) * 1945-05-11 1948-11-29 Distillation Products Inc Improvements in high vacuum condensation or diffusion pumps
US2840297A (en) * 1953-06-05 1958-06-24 Cons Electrodynamics Corp Vapor operated ejector vacuum pump
US2892416A (en) * 1954-12-13 1959-06-30 Alexander Rolf Conveyance of liquids through pipelines
GB843764A (en) * 1955-12-09 1960-08-10 N G N Electrical Ltd Improvements in or relating to vacuum pumping apparatus
GB9617887D0 (en) * 1996-08-28 1996-10-09 Boc Group Plc Improvements in diffusion pumps

Also Published As

Publication number Publication date
EP1336762A1 (en) 2003-08-20
JP2003301800A (en) 2003-10-24
US20030210986A1 (en) 2003-11-13

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)