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CH452776A - Rotary piston vacuum pump - Google Patents

Rotary piston vacuum pump

Info

Publication number
CH452776A
CH452776A CH1279767A CH1279767A CH452776A CH 452776 A CH452776 A CH 452776A CH 1279767 A CH1279767 A CH 1279767A CH 1279767 A CH1279767 A CH 1279767A CH 452776 A CH452776 A CH 452776A
Authority
CH
Switzerland
Prior art keywords
vacuum pump
rotary piston
piston vacuum
rotary
pump
Prior art date
Application number
CH1279767A
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 CH452776A publication Critical patent/CH452776A/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)
CH1279767A 1966-10-07 1967-09-12 Rotary piston vacuum pump CH452776A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH0060680 1966-10-07

Publications (1)

Publication Number Publication Date
CH452776A true CH452776A (en) 1968-03-15

Family

ID=7161078

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1279767A CH452776A (en) 1966-10-07 1967-09-12 Rotary piston vacuum pump

Country Status (2)

Country Link
CH (1) CH452776A (en)
NL (1) NL6711182A (en)

Also Published As

Publication number Publication date
NL6711182A (en) 1968-04-08

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