IT986034B - STEPS VARIABLE DISPLACEMENT HYDRAULIC MOTOR - Google Patents

STEPS VARIABLE DISPLACEMENT HYDRAULIC MOTOR

Info

Publication number
IT986034B
IT986034B IT54783/72A IT5478372A IT986034B IT 986034 B IT986034 B IT 986034B IT 54783/72 A IT54783/72 A IT 54783/72A IT 5478372 A IT5478372 A IT 5478372A IT 986034 B IT986034 B IT 986034B
Authority
IT
Italy
Prior art keywords
hydraulic motor
variable displacement
displacement hydraulic
steps variable
steps
Prior art date
Application number
IT54783/72A
Other languages
Italian (it)
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.)
Filing date
Publication date
Application filed by Deere & Co filed Critical Deere & Co
Application granted granted Critical
Publication of IT986034B publication Critical patent/IT986034B/en

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
IT54783/72A 1971-12-17 1972-12-15 STEPS VARIABLE DISPLACEMENT HYDRAULIC MOTOR IT986034B (en)

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 (en) 1975-01-10

Family

ID=22777576

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54783/72A IT986034B (en) 1971-12-17 1972-12-15 STEPS VARIABLE DISPLACEMENT HYDRAULIC MOTOR

Country Status (6)

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

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2847952A1 (en) * 1978-11-04 1980-05-08 Rexroth Gmbh G L HYDRAULIC AXIAL PISTON ENGINE
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 (en) * 1985-10-16 1988-01-08 Poclain Hydraulics Sa MECHANISM, PUMP MOTOR, HAVING AT LEAST TWO SEPARATE ACTIVE CYLINDERS.
FR2611816B1 (en) * 1987-02-25 1989-07-13 Poclain Hydraulics Sa MULTI-CYLINDER PRESSURE FLUID MECHANISM, MOTOR OR PUMP
FR2661456B1 (en) * 1990-04-26 1992-08-14 Poclain Hydraulics Sa PRESSURE FLUID MECHANISM, SUCH AS A MOTOR OR A HYDRAULIC PUMP, WITH MULTIPLE OPERATING CYLINDERS.
DE4313025A1 (en) * 1993-04-21 1994-10-27 Zahnradfabrik Friedrichshafen Hydrostatic-mechanical gear for driving a mixing drum
JP2003278883A (en) * 2002-03-26 2003-10-02 Komatsu Ltd Variable hydraulic motor, and travel driving reduction gear for crawler type vehicle using the same
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 (en) * 2006-12-07 2008-06-19 Zf Friedrichshafen Ag Hydraulic radial piston motor
WO2008100953A1 (en) * 2007-02-12 2008-08-21 Walker Frank H Hydraulic machine arrangement
US8162621B2 (en) * 2007-02-12 2012-04-24 Walker Frank H Hydraulic machine arrangement
FR2955903B1 (en) * 2010-02-01 2012-03-16 Poclain Hydraulics Ind HYDROBASE-FORMING SUBASSEMBLY FOR HYDRAULIC ENGINES AND METHOD OF ASSEMBLY
FR3030645B1 (en) * 2014-12-17 2019-10-11 Poclain Hydraulics Industrie RADIAL PISTON HYDRAULIC APPARATUS
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 (en) * 1964-06-03 1965-09-17 Poclain Sa Improvements to hydraulic motors with rotary cylinder block
FR1460752A (en) * 1965-10-08 1966-01-07 Poclain Sa Method and device for changing gear for a hydraulic motor
FR1563866A (en) * 1968-02-07 1969-04-18
US3511131A (en) * 1968-06-24 1970-05-12 Deere & Co Hydraulic motor

Also Published As

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

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