GB166519A - Improvements in rotary and the like pumps - Google Patents

Improvements in rotary and the like pumps

Info

Publication number
GB166519A
GB166519A GB16801/21A GB1680121A GB166519A GB 166519 A GB166519 A GB 166519A GB 16801/21 A GB16801/21 A GB 16801/21A GB 1680121 A GB1680121 A GB 1680121A GB 166519 A GB166519 A GB 166519A
Authority
GB
United Kingdom
Prior art keywords
pumps
rotary
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
GB16801/21A
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.)
GLEICHRICHTER AG
Original Assignee
GLEICHRICHTER 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 GLEICHRICHTER AG filed Critical GLEICHRICHTER AG
Publication of GB166519A publication Critical patent/GB166519A/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
    • 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)
GB16801/21A 1920-07-17 1921-06-18 Improvements in rotary and the like pumps Expired GB166519A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH166519X 1920-07-17

Publications (1)

Publication Number Publication Date
GB166519A true GB166519A (en) 1921-11-17

Family

ID=4419074

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16801/21A Expired GB166519A (en) 1920-07-17 1921-06-18 Improvements in rotary and the like pumps

Country Status (1)

Country Link
GB (1) GB166519A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1190134B (en) * 1957-02-07 1965-04-01 Edwards High Vacuum Ltd Rotary piston vacuum pump with oil-superimposed exhaust valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1190134B (en) * 1957-02-07 1965-04-01 Edwards High Vacuum Ltd Rotary piston vacuum pump with oil-superimposed exhaust valve

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