FR1224547A - Roots type vacuum pump - Google Patents

Roots type vacuum pump

Info

Publication number
FR1224547A
FR1224547A FR794758A FR794758A FR1224547A FR 1224547 A FR1224547 A FR 1224547A FR 794758 A FR794758 A FR 794758A FR 794758 A FR794758 A FR 794758A FR 1224547 A FR1224547 A FR 1224547A
Authority
FR
France
Prior art keywords
vacuum pump
type vacuum
roots type
roots
pump
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
FR794758A
Other languages
French (fr)
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.)
Micafil AG
Original Assignee
Micafil 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 Micafil AG filed Critical Micafil AG
Application granted granted Critical
Publication of FR1224547A publication Critical patent/FR1224547A/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
    • 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)
FR794758A 1958-07-07 1959-05-15 Roots type vacuum pump Expired FR1224547A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1224547X 1958-07-07

Publications (1)

Publication Number Publication Date
FR1224547A true FR1224547A (en) 1960-06-24

Family

ID=3687454

Family Applications (1)

Application Number Title Priority Date Filing Date
FR794758A Expired FR1224547A (en) 1958-07-07 1959-05-15 Roots type vacuum pump

Country Status (1)

Country Link
FR (1) FR1224547A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3121529A (en) * 1962-05-02 1964-02-18 Polysius Gmbh Blower
DE1258543B (en) * 1960-07-16 1968-01-11 Philipp Bormuth Dipl Ing Roots blower with pre-flow into the piston chambers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1258543B (en) * 1960-07-16 1968-01-11 Philipp Bormuth Dipl Ing Roots blower with pre-flow into the piston chambers
US3121529A (en) * 1962-05-02 1964-02-18 Polysius Gmbh Blower

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