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
Authority: GB; United Kingdom
Prior art keywords: pump; hydraulic motor; pressurized fluid; several operational; fluid mechanism
Prior art date: 1990-04-26
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.)

1990-04-26

Filing date

1991-04-22

Publication date

1993-07-07

1991-04-22 Application filed by Poclain Hydraulics France SA filed Critical Poclain Hydraulics France SA

1991-06-05 Publication of GB9108535D0 publication Critical patent/GB9108535D0/en

1991-11-13 Publication of GB2243881A publication Critical patent/GB2243881A/en

1993-07-07 Application granted granted Critical

1993-07-07 Publication of GB2243881B publication Critical patent/GB2243881B/en

2011-04-22 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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 (pt)
BR (1)	BR9101687A (pt)
CS (1)	CS118991A3 (pt)
DE (1)	DE4113413A1 (pt)
FI (1)	FI911769A7 (pt)
FR (1)	FR2661456B1 (pt)
GB (1)	GB2243881B (pt)

Families Citing this family (8)

* 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
CN114658591B (zh) *	2020-12-23	2025-07-15	宁波恒通诺达液压股份有限公司	一种具有磁电感应变速功能的马达及工程车
CN114658590B (zh) *	2020-12-23	2025-10-28	宁波恒通诺达液压股份有限公司	一种具变速功能的马达及工程车
EP4345284B1 (en) *	2022-09-29	2025-12-10	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 (pt) *	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 (pt) *	1968-03-04	1968-07-15
JPS4820082Y1 (pt) *	1970-09-24	1973-06-09

1990
- 1990-04-26 FR FR9005339A patent/FR2661456B1/fr not_active Expired - Lifetime
1991
- 1991-04-06 BR BR919101687A patent/BR9101687A/pt unknown
- 1991-04-12 FI FI911769A patent/FI911769A7/fi not_active Application Discontinuation
- 1991-04-22 GB GB9108535A patent/GB2243881B/en not_active Expired - Fee Related
- 1991-04-25 DE DE4113413A patent/DE4113413A1/de not_active Ceased
- 1991-04-25 CS CS911189A patent/CS118991A3/cs unknown
- 1991-04-26 JP JP3122950A patent/JPH04228878A/ja active Pending

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2127268A5 (pt) *	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
FI911769A0 (fi)	1991-04-12
GB2243881A (en)	1991-11-13
FR2661456A1 (fr)	1991-10-31
DE4113413A1 (de)	1991-10-31
FI911769A7 (fi)	1991-10-27
JPH04228878A (ja)	1992-08-18
BR9101687A (pt)	1991-11-26
CS118991A3 (en)	1992-01-15
GB9108535D0 (en)	1991-06-05
FR2661456B1 (fr)	1992-08-14

Publication	Publication Date	Title
GB9117610D0 (en)	1991-10-02	Hydraulic radialtype piston pump
GB2278892B (en)	1996-08-28	Hydraulic oil well pump drive system
GB2238086B (en)	1993-04-07	Hydraulic mechanism,motor or pump
AU6544094A (en)	1994-11-21	Hydraulic fluid-driven, multicylinder, modular, reciprocating piston pump
CS449790A3 (en)	1991-09-15	Hydraulic mechanism, engine or pump
EP0608144A3 (en)	1994-12-21	Axial piston pump.
GB2243881B (en)	1993-07-07	Pressurized fluid mechanism,such as a hydraulic motor or pump,having several operational cylinder capacities
GB9213495D0 (en)	1992-08-12	Pressurised fluid mechanism with at least two distinct operational cylinder capacities
GB2275740B (en)	1996-01-03	Hydraulic pump
DE19681706T1 (de)	1998-11-26	Druckschalter für eine Hydraulikpumpe
EP0666419A3 (en)	1995-10-18	Hydraulic pressure device with swash plate.
GB2286018B (en)	1997-05-21	Hydraulic piston machines
AU1318895A (en)	1995-07-17	Multi-piston hydraulic pump for a free-piston engine
GB9409277D0 (en)	1994-06-29	Hydraulic pump
CS350291A3 (en)	1992-12-16	Mechanism with working cylinders employing a liquid as a motor or a pump
GB2293213B (en)	1996-08-28	Hydraulic oil well pump drive system
GB2277558B (en)	1996-06-12	Hydraulic pump
GB9102480D0 (en)	1991-03-20	Hydraulic rotary radial piston pump
GB9013748D0 (en)	1990-08-08	Hydraulic rotary radial piston pumps
GB9016709D0 (en)	1990-09-12	Hydraulic rotary radial piston pumps
GB9106124D0 (en)	1991-05-08	A rotary fluid machine,such as an engine,a pump
GB9211520D0 (en)	1992-07-15	A rotary fluid machine,such as an engine,a pump,a compressor
PL56548Y1 (en)	1998-10-30	Hydraulic pump piston
GB8911477D0 (en)	1989-07-05	Radial piston device,particularly a radial piston pump,radial piston motor or the like
GB9422726D0 (en)	1995-01-04	Hydraulic pump

Legal Events

Date	Code	Title	Description
1991-05-29	730A	Proceeding under section 30 patents act 1977
2000-03-01	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2006-12-27	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20060422