GB2243881B - Pressurized fluid mechanism,such as a hydraulic motor or pump,having several operational cylinder capacities - Google Patents

Pressurized fluid mechanism,such as a hydraulic motor or pump,having several operational cylinder capacities

Info

Publication number
GB2243881B
GB2243881B GB9108535A GB9108535A GB2243881B GB 2243881 B GB2243881 B GB 2243881B GB 9108535 A GB9108535 A GB 9108535A GB 9108535 A GB9108535 A GB 9108535A GB 2243881 B GB2243881 B GB 2243881B
Authority
GB
United Kingdom
Prior art keywords
pump
hydraulic motor
pressurized fluid
several operational
fluid mechanism
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 - Fee Related
Application number
GB9108535A
Other languages
English (en)
Other versions
GB2243881A (en
GB9108535D0 (en
Inventor
Gilles G Lemaire
Louis Bigo
Jacky Mefort
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.)
Poclain Hydraulics France SA
Original Assignee
Poclain Hydraulics France SA
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 Poclain Hydraulics France SA filed Critical Poclain Hydraulics France SA
Publication of GB9108535D0 publication Critical patent/GB9108535D0/en
Publication of GB2243881A publication Critical patent/GB2243881A/en
Application granted granted Critical
Publication of GB2243881B publication Critical patent/GB2243881B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
    • F03C1/04—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinders in star or fan arrangement
    • F03C1/0447—Controlling
    • F03C1/045—Controlling by using a valve in a system with several pump or motor chambers, wherein the flow path through the chambers can be changed, e.g. series-parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
    • F03C1/04—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinders in star or fan arrangement
    • F03C1/0403—Details, component parts specially adapted of such engines
    • F03C1/0409—Cams

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Motors (AREA)
  • Reciprocating Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
GB9108535A 1990-04-26 1991-04-22 Pressurized fluid mechanism,such as a hydraulic motor or pump,having several operational cylinder capacities Expired - Fee Related GB2243881B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9005339A FR2661456B1 (fr) 1990-04-26 1990-04-26 Mecanisme a fluide sous pression, tel qu'un moteur ou une pompe hydraulique, a plusieurs cylindrees de fonctionnement.

Publications (3)

Publication Number Publication Date
GB9108535D0 GB9108535D0 (en) 1991-06-05
GB2243881A GB2243881A (en) 1991-11-13
GB2243881B true GB2243881B (en) 1993-07-07

Family

ID=9396123

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9108535A Expired - Fee Related GB2243881B (en) 1990-04-26 1991-04-22 Pressurized fluid mechanism,such as a hydraulic motor or pump,having several operational cylinder capacities

Country Status (7)

Country Link
JP (1) JPH04228878A (fi)
BR (1) BR9101687A (fi)
CS (1) CS118991A3 (fi)
DE (1) DE4113413A1 (fi)
FI (1) FI911769A (fi)
FR (1) FR2661456B1 (fi)
GB (1) GB2243881B (fi)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK292690D0 (da) * 1990-12-10 1990-12-10 Htc As Motor- eller pumpeaggregat
FR2710111B1 (fr) * 1993-09-15 1995-12-01 Poclain Hydraulics Sa Moteur hydraulique muni d'un dispositif de sélection de sa cylindrée active.
DE19602770C2 (de) * 1996-01-26 1998-01-29 Sauer Sundstrand Gmbh & Co Kolbenrollen-Führung für Radialkolbenaggregat
JP3127842B2 (ja) * 1996-11-01 2001-01-29 ダイキン工業株式会社 カムモータ装置
EP3489509A1 (en) * 2017-11-23 2019-05-29 Robert Bosch GmbH Cam profile for a hydrostatic radial piston machine, and hydrostatic radial piston machine
EP4345284A1 (en) * 2022-09-29 2024-04-03 Robert Bosch GmbH Multi piston machine with constant relationship between fluid volume and rotation angle in each rotational position

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2127268A5 (fi) * 1971-03-02 1972-10-13 Poclain Sa
US3760691A (en) * 1971-12-17 1973-09-25 Deere & Co Step variable displacement hydraulic motor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE711653A (fi) * 1968-03-04 1968-07-15
JPS4820082Y1 (fi) * 1970-09-24 1973-06-09

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2127268A5 (fi) * 1971-03-02 1972-10-13 Poclain Sa
US3760691A (en) * 1971-12-17 1973-09-25 Deere & Co Step variable displacement hydraulic motor

Also Published As

Publication number Publication date
DE4113413A1 (de) 1991-10-31
GB2243881A (en) 1991-11-13
FI911769A0 (fi) 1991-04-12
FI911769A (fi) 1991-10-27
BR9101687A (pt) 1991-11-26
GB9108535D0 (en) 1991-06-05
CS118991A3 (en) 1992-01-15
FR2661456B1 (fr) 1992-08-14
JPH04228878A (ja) 1992-08-18
FR2661456A1 (fr) 1991-10-31

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Legal Events

Date Code Title Description
730A Proceeding under section 30 patents act 1977
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060422