FR580019A - Sealing device for pumps - Google Patents

Sealing device for pumps

Info

Publication number
FR580019A
FR580019A FR580019DA FR580019A FR 580019 A FR580019 A FR 580019A FR 580019D A FR580019D A FR 580019DA FR 580019 A FR580019 A FR 580019A
Authority
FR
France
Prior art keywords
pumps
sealing device
sealing
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
Louis Balfet
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 FR580019A publication Critical patent/FR580019A/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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps 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 toothed rotary pistons
    • 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps 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 toothed rotary pistons
    • F04C2/18—Rotary-piston machines or pumps 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 toothed rotary pistons with similar tooth forms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR580019D 1924-04-10 1924-04-10 Sealing device for pumps Expired FR580019A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR580019T 1924-04-10

Publications (1)

Publication Number Publication Date
FR580019A true FR580019A (en) 1924-10-28

Family

ID=8956514

Family Applications (1)

Application Number Title Priority Date Filing Date
FR580019D Expired FR580019A (en) 1924-04-10 1924-04-10 Sealing device for pumps

Country Status (1)

Country Link
FR (1) FR580019A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2516589A (en) * 1947-01-10 1950-07-25 Engineering Products Inc Fluid pump
US4153395A (en) * 1976-09-04 1979-05-08 Howden Compressors Limited Compressors
US4770617A (en) * 1986-07-31 1988-09-13 Barmag Ag Gear pump with leakage fluid intermittently communicated to expanding fluid cells

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2516589A (en) * 1947-01-10 1950-07-25 Engineering Products Inc Fluid pump
US4153395A (en) * 1976-09-04 1979-05-08 Howden Compressors Limited Compressors
US4770617A (en) * 1986-07-31 1988-09-13 Barmag Ag Gear pump with leakage fluid intermittently communicated to expanding fluid cells

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