CA964930A - Step variable displacement hydraulic motor - Google Patents
Step variable displacement hydraulic motorInfo
- Publication number
- CA964930A CA964930A CA145,440A CA145440A CA964930A CA 964930 A CA964930 A CA 964930A CA 145440 A CA145440 A CA 145440A CA 964930 A CA964930 A CA 964930A
- Authority
- CA
- Canada
- Prior art keywords
- hydraulic motor
- variable displacement
- displacement hydraulic
- step variable
- motor
- 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
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20915471A | 1971-12-17 | 1971-12-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA964930A true CA964930A (en) | 1975-03-25 |
Family
ID=22777576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA145,440A Expired CA964930A (en) | 1971-12-17 | 1972-06-22 | Step 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)
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 |
WO2006122241A2 (en) * | 2005-05-11 | 2006-11-16 | 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 |
US8162621B2 (en) * | 2007-02-12 | 2012-04-24 | Walker Frank H | Hydraulic machine arrangement |
WO2008100953A1 (en) * | 2007-02-12 | 2008-08-21 | 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)
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 |
-
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/en active Pending
- 1972-12-13 FR FR7244306A patent/FR2165503A5/fr not_active Expired
- 1972-12-15 IT IT54783/72A patent/IT986034B/en active
- 1972-12-15 GB GB5807472A patent/GB1381366A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2165503A5 (en) | 1973-08-03 |
US3760691A (en) | 1973-09-25 |
DE2256975A1 (en) | 1973-06-20 |
IT986034B (en) | 1975-01-10 |
GB1381366A (en) | 1975-01-22 |
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