CH452777A - Rotary piston vacuum pump - Google Patents

Rotary piston vacuum pump

Info

Publication number
CH452777A
CH452777A CH1279867A CH1279867A CH452777A CH 452777 A CH452777 A CH 452777A CH 1279867 A CH1279867 A CH 1279867A CH 1279867 A CH1279867 A CH 1279867A CH 452777 A CH452777 A CH 452777A
Authority
CH
Switzerland
Prior art keywords
vacuum pump
rotary piston
piston vacuum
rotary
pump
Prior art date
Application number
CH1279867A
Other languages
German (de)
Inventor
Hansen Dr Pfaff
Maximilian Dr Wutz
Sinn Hartmut
Original Assignee
Leybold Heraeus Gmbh & Co Kg
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 Leybold Heraeus Gmbh & Co Kg filed Critical Leybold Heraeus Gmbh & Co Kg
Publication of CH452777A publication Critical patent/CH452777A/en

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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/22—Rotary-piston pumps specially adapted for elastic fluids of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth equivalents than the outer member
    • 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
    • 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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
CH1279867A 1966-10-07 1967-09-12 Rotary piston vacuum pump CH452777A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH0060679 1966-10-07

Publications (1)

Publication Number Publication Date
CH452777A true CH452777A (en) 1968-03-15

Family

ID=7161077

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1279867A CH452777A (en) 1966-10-07 1967-09-12 Rotary piston vacuum pump

Country Status (3)

Country Link
US (1) US3458120A (en)
CH (1) CH452777A (en)
NL (1) NL6711186A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH494347A (en) * 1968-05-02 1970-07-31 Leybold Heraeus Verwaltung Vacuum pump based on the rotary piston principle
FR2389382B1 (en) * 1977-05-06 1982-07-09 Anvar
RU2486369C1 (en) * 2012-01-17 2013-06-27 Сергей Алексеевич Уфимцев Vacuum pump-compressor
US10087758B2 (en) * 2013-06-05 2018-10-02 Rotoliptic Technologies Incorporated Rotary machine
CN112867843A (en) 2018-09-11 2021-05-28 勒托力提科技有限公司 Seal in a spiral trochoid rotary machine
US11815094B2 (en) 2020-03-10 2023-11-14 Rotoliptic Technologies Incorporated Fixed-eccentricity helical trochoidal rotary machines
US11802558B2 (en) 2020-12-30 2023-10-31 Rotoliptic Technologies Incorporated Axial load in helical trochoidal rotary machines

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1390199A (en) * 1963-08-14 1965-02-26 Renault Improvements to rotary engine cylinder heads
US3303830A (en) * 1966-04-22 1967-02-14 American Motors Corp Rotor for rotary combustion engine

Also Published As

Publication number Publication date
NL6711186A (en) 1968-04-08
US3458120A (en) 1969-07-29

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