FR949960A - Improvements to blowers - Google Patents

Improvements to blowers

Info

Publication number
FR949960A
FR949960A FR949960DA FR949960A FR 949960 A FR949960 A FR 949960A FR 949960D A FR949960D A FR 949960DA FR 949960 A FR949960 A FR 949960A
Authority
FR
France
Prior art keywords
blowers
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
Other languages
French (fr)
Inventor
Marcel-Rene-Armand Chabay
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 filed Critical
Application granted granted Critical
Publication of FR949960A publication Critical patent/FR949960A/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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/04—Heating; Cooling; Heat insulation
    • 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
    • F04C18/123—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 or approximately radially from the rotor body extending tooth-like elements, co-operating with recesses in the other rotor, e.g. one tooth

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
FR949960D 1947-07-23 1947-07-23 Improvements to blowers Expired FR949960A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR949960T 1947-07-23

Publications (1)

Publication Number Publication Date
FR949960A true FR949960A (en) 1949-09-14

Family

ID=9474820

Family Applications (1)

Application Number Title Priority Date Filing Date
FR949960D Expired FR949960A (en) 1947-07-23 1947-07-23 Improvements to blowers

Country Status (3)

Country Link
CH (1) CH293767A (en)
DE (1) DE819442C (en)
FR (1) FR949960A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1026036B (en) * 1954-10-28 1958-03-13 Heraeus Gmbh W C Cooling of a mechanical high vacuum blower pump based on the Roots principle
DE1021530B (en) * 1955-01-17 1957-12-27 Leybolds Nachfolger E Rotary piston blower

Also Published As

Publication number Publication date
DE819442C (en) 1951-10-31
CH293767A (en) 1953-10-15

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