CH389817A - Vakuumpumpeinrichtung - Google Patents

Vakuumpumpeinrichtung

Info

Publication number
CH389817A
CH389817A CH912460A CH912460A CH389817A CH 389817 A CH389817 A CH 389817A CH 912460 A CH912460 A CH 912460A CH 912460 A CH912460 A CH 912460A CH 389817 A CH389817 A CH 389817A
Authority
CH
Switzerland
Prior art keywords
pumping device
vacuum pumping
vacuum
pumping
Prior art date
Application number
CH912460A
Other languages
English (en)
Inventor
Albert Dr Lorenz
Original Assignee
Albert Dr Lorenz
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 Albert Dr Lorenz filed Critical Albert Dr Lorenz
Publication of CH389817A publication Critical patent/CH389817A/de

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
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/082—Details specially related to intermeshing engagement type pumps
    • F04C18/084—Toothed wheels
    • 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
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/126—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
CH912460A 1959-08-11 1960-08-11 Vakuumpumpeinrichtung CH389817A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH0037148 1959-08-11

Publications (1)

Publication Number Publication Date
CH389817A true CH389817A (de) 1965-03-31

Family

ID=7153236

Family Applications (1)

Application Number Title Priority Date Filing Date
CH912460A CH389817A (de) 1959-08-11 1960-08-11 Vakuumpumpeinrichtung

Country Status (2)

Country Link
CH (1) CH389817A (de)
GB (1) GB953799A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5152684A (en) * 1990-08-27 1992-10-06 Leybold Aktiengesellschaft Rotor profile for a roots vacuum pump
DE102006004525A1 (de) * 2006-02-01 2007-08-02 Leybold Vacuum Gmbh Wälzkolben-Vakuumpumpe

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6415485A (en) * 1987-07-07 1989-01-19 Fuji Heavy Ind Ltd Root's blower
GB0319344D0 (en) * 2003-08-18 2003-09-17 Boc Group Plc Reducing exhaust pulsation in dry pumps

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5152684A (en) * 1990-08-27 1992-10-06 Leybold Aktiengesellschaft Rotor profile for a roots vacuum pump
DE102006004525A1 (de) * 2006-02-01 2007-08-02 Leybold Vacuum Gmbh Wälzkolben-Vakuumpumpe

Also Published As

Publication number Publication date
GB953799A (en) 1964-04-02

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