GB2101687B - Rotary pumping apparatus - Google Patents

Rotary pumping apparatus

Info

Publication number
GB2101687B
GB2101687B GB08121798A GB8121798A GB2101687B GB 2101687 B GB2101687 B GB 2101687B GB 08121798 A GB08121798 A GB 08121798A GB 8121798 A GB8121798 A GB 8121798A GB 2101687 B GB2101687 B GB 2101687B
Authority
GB
United Kingdom
Prior art keywords
pumping apparatus
rotary pumping
rotary
pumping
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
GB08121798A
Other versions
GB2101687A (en
Inventor
Leslie John Budgen
Henryk Wycliffe
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
BOC Ltd Great Britain
Original Assignee
BOC Ltd Great Britain
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 BOC Ltd Great Britain, British Oxigen Ltd filed Critical BOC Ltd Great Britain
Priority to GB08121798A priority Critical patent/GB2101687B/en
Publication of GB2101687A publication Critical patent/GB2101687A/en
Application granted granted Critical
Publication of GB2101687B publication Critical patent/GB2101687B/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
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
GB08121798A 1981-07-15 1981-07-15 Rotary pumping apparatus Expired GB2101687B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08121798A GB2101687B (en) 1981-07-15 1981-07-15 Rotary pumping apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08121798A GB2101687B (en) 1981-07-15 1981-07-15 Rotary pumping apparatus

Publications (2)

Publication Number Publication Date
GB2101687A GB2101687A (en) 1983-01-19
GB2101687B true GB2101687B (en) 1984-08-30

Family

ID=10523255

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08121798A Expired GB2101687B (en) 1981-07-15 1981-07-15 Rotary pumping apparatus

Country Status (1)

Country Link
GB (1) GB2101687B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3741286C2 (en) * 1987-09-04 1996-02-22 Gutehoffnungshuette Man Charger
DE29905249U1 (en) * 1999-03-22 1999-12-30 Werner Rietschle GmbH + Co. KG, 79650 Schopfheim Pump for generating pressure and negative pressure
US6729863B2 (en) 1999-03-22 2004-05-04 Werner Rietschle Gmbh & Co. Kg Rotary pump having high and low pressure ports in the housing cover
CN103047145A (en) * 2012-12-29 2013-04-17 中国科学院沈阳科学仪器股份有限公司 Vacuum pump transmission structure

Also Published As

Publication number Publication date
GB2101687A (en) 1983-01-19

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Legal Events

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

Effective date: 19990715