FR455981A - Hydraulic pump with control lever whose arm ratio varies automatically according to the pressure - Google Patents

Hydraulic pump with control lever whose arm ratio varies automatically according to the pressure

Info

Publication number
FR455981A
FR455981A FR455981A FR455981DA FR455981A FR 455981 A FR455981 A FR 455981A FR 455981 A FR455981 A FR 455981A FR 455981D A FR455981D A FR 455981DA FR 455981 A FR455981 A FR 455981A
Authority
FR
France
Prior art keywords
pressure
hydraulic pump
control lever
automatically according
ratio varies
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
FR455981A
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.)
MARMONIER FILS SUCCESSEUR DE FELIX MARMONI Ste
Original Assignee
MARMONIER FILS SUCCESSEUR DE FELIX MARMONI Ste
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 MARMONIER FILS SUCCESSEUR DE FELIX MARMONI Ste filed Critical MARMONIER FILS SUCCESSEUR DE FELIX MARMONI Ste
Application granted granted Critical
Publication of FR455981A publication Critical patent/FR455981A/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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/12—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR455981A 1913-03-25 1913-03-25 Hydraulic pump with control lever whose arm ratio varies automatically according to the pressure Expired FR455981A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR455981T 1913-03-25

Publications (1)

Publication Number Publication Date
FR455981A true FR455981A (en) 1913-08-13

Family

ID=1495816

Family Applications (1)

Application Number Title Priority Date Filing Date
FR455981A Expired FR455981A (en) 1913-03-25 1913-03-25 Hydraulic pump with control lever whose arm ratio varies automatically according to the pressure

Country Status (1)

Country Link
FR (1) FR455981A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2423162A (en) * 1943-07-05 1947-07-01 Hpm Dev Corp Variable stroke hand pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2423162A (en) * 1943-07-05 1947-07-01 Hpm Dev Corp Variable stroke hand pump

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