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GB868269A - Improvements in and relating to gas ballast pumps - Google Patents

Improvements in and relating to gas ballast pumps

Info

Publication number
GB868269A
GB868269A GB14018/59A GB1401859A GB868269A GB 868269 A GB868269 A GB 868269A GB 14018/59 A GB14018/59 A GB 14018/59A GB 1401859 A GB1401859 A GB 1401859A GB 868269 A GB868269 A GB 868269A
Authority
GB
United Kingdom
Prior art keywords
gas ballast
relating
pumps
ballast pumps
hochvakuumtechnik
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
GB14018/59A
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.)
OC Oerlikon Balzers AG
Original Assignee
Balzers AG
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 Balzers AG filed Critical Balzers AG
Publication of GB868269A publication Critical patent/GB868269A/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
    • F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
    • F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
    • 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
    • F04C2220/00—Application
    • F04C2220/50—Pumps with means for introducing gas under pressure for ballasting
    • 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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/02—Liquid sealing for high-vacuum pumps or for compressors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

868,269. Rotary pumps. BALZERS AKTIENGESELLSCHAFT FUR HOCHVAKUUMTECHNIK UND DUNNE SCHICHTEN. April 24, 1959 [May 7, 1958], No. 14018/59. Class 110 (2). A multi-stage vacuum pump assembly comprises three pumps 8, 3, 1 arranged in series and provided with gas ballast intake valves 10, 7, 5 disposed as shown. In a modification the unit 3, 10 is dispensed with (see Fig. 1, not shown).
GB14018/59A 1958-05-07 1959-04-24 Improvements in and relating to gas ballast pumps Expired GB868269A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH359237T 1958-05-07

Publications (1)

Publication Number Publication Date
GB868269A true GB868269A (en) 1961-05-17

Family

ID=4512182

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14018/59A Expired GB868269A (en) 1958-05-07 1959-04-24 Improvements in and relating to gas ballast pumps

Country Status (2)

Country Link
CH (1) CH359237A (en)
GB (1) GB868269A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008057548A1 (en) * 2008-11-08 2010-05-12 Oerlikon Leybold Vacuum Gmbh Method for operating an oil-sealed vacuum pump and oil-sealed vacuum pump

Also Published As

Publication number Publication date
CH359237A (en) 1961-12-31

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