FR672946A - Variable flow rate rotary gear pump - Google Patents

Variable flow rate rotary gear pump

Info

Publication number
FR672946A
FR672946A FR672946DA FR672946A FR 672946 A FR672946 A FR 672946A FR 672946D A FR672946D A FR 672946DA FR 672946 A FR672946 A FR 672946A
Authority
FR
France
Prior art keywords
flow rate
gear pump
variable flow
rotary gear
rate rotary
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
August Frisch
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 FR672946A publication Critical patent/FR672946A/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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
    • F04C14/185—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by varying the useful pumping length of the cooperating members in the axial direction
    • 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)
FR672946D 1928-12-04 1929-04-11 Variable flow rate rotary gear pump Expired FR672946A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE672946X 1928-12-04

Publications (1)

Publication Number Publication Date
FR672946A true FR672946A (en) 1930-01-08

Family

ID=6590825

Family Applications (1)

Application Number Title Priority Date Filing Date
FR672946D Expired FR672946A (en) 1928-12-04 1929-04-11 Variable flow rate rotary gear pump

Country Status (1)

Country Link
FR (1) FR672946A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2887960A (en) * 1955-11-23 1959-05-26 Tobias Jordan Automatic hydraulic transmission
FR2439882A1 (en) * 1978-10-25 1980-05-23 Bross Eric Variable flow gear tooth pump - has sliding gear to vary axial length of tooth engagement

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2887960A (en) * 1955-11-23 1959-05-26 Tobias Jordan Automatic hydraulic transmission
FR2439882A1 (en) * 1978-10-25 1980-05-23 Bross Eric Variable flow gear tooth pump - has sliding gear to vary axial length of tooth engagement

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