IT986034B - Motore idraulico a cilindrata variabile a gradini - Google Patents

Motore idraulico a cilindrata variabile a gradini

Info

Publication number: IT986034B
Authority: IT; Italy
Prior art keywords: hydraulic motor; variable displacement; displacement hydraulic; steps variable; steps
Prior art date: 1971-12-17

Application number

IT54783/72A

Other languages

English (en)

Original Assignee

Deere & Co

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.)

1971-12-17

Filing date

1972-12-15

Publication date

1975-01-10

1972-12-15 Application filed by Deere & Co filed Critical Deere & Co

1975-01-10 Application granted granted Critical

1975-01-10 Publication of IT986034B publication Critical patent/IT986034B/it

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)

IT54783/72A 1971-12-17 1972-12-15 Motore idraulico a cilindrata variabile a gradini IT986034B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US20915471A	1971-12-17	1971-12-17

Publications (1)

Publication Number	Publication Date
IT986034B true IT986034B (it)	1975-01-10

Family

ID=22777576

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT54783/72A IT986034B (it)	1971-12-17	1972-12-15	Motore idraulico a cilindrata variabile a gradini

Country Status (6)

Country	Link
US (1)	US3760691A (it)
CA (1)	CA964930A (it)
DE (1)	DE2256975A1 (it)
FR (1)	FR2165503A5 (it)
GB (1)	GB1381366A (it)
IT (1)	IT986034B (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2847952A1 (de) *	1978-11-04	1980-05-08	Rexroth Gmbh G L	Hydraulischer axialkolbenmotor
US4505185A (en) *	1981-03-20	1985-03-19	Power-Train, Inc.	Through-shaft energy converter transmission
AU566382B2 (en) *	1982-12-24	1987-10-15	Renold Plc	Cam driven piston pump with variable capacity control
US4581895A (en) *	1984-06-18	1986-04-15	Deere & Company	Hydrostatic transaxle assembly
FR2588616B1 (fr) *	1985-10-16	1988-01-08	Poclain Hydraulics Sa	Mecanisme, moteur a pompe, a au moins deux cylindrees actives distinctes.
FR2611816B1 (fr) *	1987-02-25	1989-07-13	Poclain Hydraulics Sa	Mecanisme a fluide sous pression, moteur ou pompe, a plusieurs cylindrees
FR2661456B1 (fr) *	1990-04-26	1992-08-14	Poclain Hydraulics Sa	Mecanisme a fluide sous pression, tel qu'un moteur ou une pompe hydraulique, a plusieurs cylindrees de fonctionnement.
DE4313025A1 (de) *	1993-04-21	1994-10-27	Zahnradfabrik Friedrichshafen	Hydrostatisch-mechanisches Getriebe zum Antrieb einer Mischtrommel
JP2003278883A (ja) *	2002-03-26	2003-10-02	Komatsu Ltd	可変油圧モータ及びこれを用いた無限軌道式車両の走行駆動減速機
US8132868B2 (en) *	2004-12-17	2012-03-13	Walker Frank H	Hydraulic regenerative braking system for a vehicle
US20080210500A1 (en) *	2005-05-11	2008-09-04	Walker Frank H	Hydraulic Regenerative Braking System For a Vehicle
DE102006058076A1 (de) *	2006-12-07	2008-06-19	Zf Friedrichshafen Ag	Hydraulischer Radialkolbenmotor
US8162621B2 (en) *	2007-02-12	2012-04-24	Walker Frank H	Hydraulic machine arrangement
US8176838B2 (en) *	2007-02-12	2012-05-15	Walker Frank H	Hydraulic machine arrangement
FR2955903B1 (fr) *	2010-02-01	2012-03-16	Poclain Hydraulics Ind	Sous-ensemble formant hydrobase pour moteurs hydrauliques et procede d'assemblage
FR3030645B1 (fr) *	2014-12-17	2019-10-11	Poclain Hydraulics Industrie	Appareil hydraulique a pistons radiaux
US10465354B2 (en)	2016-12-15	2019-11-05	Caterpillar Inc.	Hydraulic fluid systems for machine implements
EP3608535B1 (en) *	2018-08-09	2021-06-09	Robert Bosch GmbH	Hydrostatic radial piston machine
EP4102051A1 (en) *	2021-06-07	2022-12-14	Robert Bosch GmbH	Multi piston machine with at least three switchable displacement volumes

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2160612A (en) *	1934-02-01	1939-05-30	American Eng Co Ltd	Hydraulic transmission
FR1411046A (fr) *	1964-06-03	1965-09-17	Poclain Sa	Perfectionnements aux moteurs hydrauliques à bloc cylindre rotatif
FR1460752A (fr) *	1965-10-08	1966-01-07	Poclain Sa	Procédé et dispositif de changement de vitesses pour moteur hydraulique
FR1563866A (it) *	1968-02-07	1969-04-18
US3511131A (en) *	1968-06-24	1970-05-12	Deere & Co	Hydraulic motor

1971
- 1971-12-17 US US00209154A patent/US3760691A/en not_active Expired - Lifetime
1972
- 1972-06-22 CA CA145,440A patent/CA964930A/en not_active Expired
- 1972-11-21 DE DE2256975A patent/DE2256975A1/de active Pending
- 1972-12-13 FR FR7244306A patent/FR2165503A5/fr not_active Expired
- 1972-12-15 IT IT54783/72A patent/IT986034B/it active
- 1972-12-15 GB GB5807472A patent/GB1381366A/en not_active Expired

Also Published As

Publication number	Publication date
CA964930A (en)	1975-03-25
DE2256975A1 (de)	1973-06-20
FR2165503A5 (it)	1973-08-03
US3760691A (en)	1973-09-25
GB1381366A (en)	1975-01-22

Publication	Publication Date	Title
IT986034B (it)	1975-01-10	Motore idraulico a cilindrata variabile a gradini
IT952886B (it)	1973-07-30	Motore idraulico rotativo a piu velocita
IT994208B (it)	1975-10-20	Motore passo a passo
SE401393B (sv)	1978-05-02	Reversibel hydraulisk motor
IT1021201B (it)	1978-01-30	Controllo di motore a due velocita per trasmissioni idrostatiche doppie
CH540813A (de)	1973-08-31	Verstell-Schiffspropeller
NL7512682A (nl)	1976-05-04	Waterkrachtmotor.
BE778504A (fr)	1972-05-16	Pompe perfectionnee a engrenage
IT1043905B (it)	1980-02-29	Motore idraulico volumethico
AR209786A1 (es)	1977-05-31	Un motor hidraulico
IT964686B (it)	1974-01-31	Motore a stantuffo rotante
BR7207856D0 (pt)	1973-08-21	Motor hidraulico
AR208165A1 (es)	1976-12-09	Un motor hidraulico
IT940899B (it)	1973-02-20	Motore a pistoni rotanti
SE385231B (sv)	1976-06-14	Hydraulisk kugghjulsmotor
AR198397A1 (es)	1974-06-21	Motor hidraulico
IT1022236B (it)	1978-03-20	Motore idraulico
IT1015962B (it)	1977-05-20	Pompa o motore a ingranaggi
IT1044344B (it)	1980-03-20	Servomotore idraulico
BE778503A (fr)	1972-05-16	Pompe a engrenage
IT1021145B (it)	1978-01-30	Motore idraulico passo a passo
IT1017678B (it)	1977-08-10	Motore a pressione idraulica
BR7301898D0 (pt)	1974-06-27	Motor hidraulico motor hidraulico
BE778282A (fr)	1972-05-16	Moteur a piston rotatif
IT1003459B (it)	1976-06-10	Motore idraulico reversibile