CA990578A - Variable displacement hydraulic pump - Google Patents
Variable displacement hydraulic pumpInfo
- Publication number
- CA990578A CA990578A CA180,911A CA180911A CA990578A CA 990578 A CA990578 A CA 990578A CA 180911 A CA180911 A CA 180911A CA 990578 A CA990578 A CA 990578A
- Authority
- CA
- Canada
- Prior art keywords
- hydraulic pump
- variable displacement
- displacement hydraulic
- variable
- pump
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/08—Regulating by delivery pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Fluid-Pressure Circuits (AREA)
- Reciprocating Pumps (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN251/CAL/74A IN140492B (ja) | 1973-09-13 | 1974-02-06 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00315944A US3820920A (en) | 1972-12-18 | 1972-12-18 | Power transmission |
Publications (1)
Publication Number | Publication Date |
---|---|
CA990578A true CA990578A (en) | 1976-06-08 |
Family
ID=23226778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA180,911A Expired CA990578A (en) | 1972-12-18 | 1973-09-13 | Variable displacement hydraulic pump |
Country Status (9)
Country | Link |
---|---|
US (1) | US3820920A (ja) |
JP (1) | JPS5916111B2 (ja) |
AU (1) | AU474404B2 (ja) |
CA (1) | CA990578A (ja) |
DE (1) | DE2350766A1 (ja) |
FR (1) | FR2211055A5 (ja) |
GB (1) | GB1448997A (ja) |
IT (1) | IT996263B (ja) |
SE (1) | SE394016B (ja) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU6079573A (en) * | 1972-10-11 | 1975-03-27 | Sperry Rand Ltd | Pressure control in hydraulic systems |
US3941513A (en) * | 1974-09-05 | 1976-03-02 | Parker-Hannifin Corporation | Variable displacement pump control assembly |
US3945764A (en) * | 1974-09-05 | 1976-03-23 | Parker-Hannifin Corporation | Variable displacement pump control assembly |
DE2461897A1 (de) * | 1974-12-31 | 1976-07-08 | Bosch Gmbh Robert | Regeleinrichtung fuer eine pumpe |
DE2531492C2 (de) * | 1975-07-15 | 1982-09-16 | Robert Bosch Gmbh, 7000 Stuttgart | Verstellbare hydrostatische Pumpe |
SE396239B (sv) * | 1976-02-05 | 1977-09-12 | Hytec Ab | Metod och anordning for reglering av den effekt som tillfors ett hydrauliskt, ett pneumatiskt eller ett hydraulpneumatiskt system |
DE2723074A1 (de) * | 1977-05-21 | 1978-11-30 | Bosch Gmbh Robert | Verdraengermaschine mit einem druckregler |
JPS5530910U (ja) * | 1978-08-18 | 1980-02-28 | ||
DE2840687A1 (de) * | 1978-09-19 | 1980-04-03 | Bosch Gmbh Robert | Einrichtung zur regelung des foerderstroms und zur begrenzung des foerderdrucks einer verstellbaren pumpe. |
US4293284A (en) * | 1979-10-09 | 1981-10-06 | Double A Products Company | Power limiting control apparatus for pressure-flow compensated variable displacement pump assemblies |
US4348159A (en) * | 1980-01-07 | 1982-09-07 | Rexnord Inc. | Convertible pump servo-valve control |
US4449606A (en) * | 1980-07-18 | 1984-05-22 | Veda, Inc. | Vehicle frame assembly |
US4514978A (en) * | 1980-07-18 | 1985-05-07 | Veda, Inc. | Fluid pressure power transmission |
US4373600A (en) * | 1980-07-18 | 1983-02-15 | Veda, Inc. | Three wheel drive vehicle |
US4523430A (en) * | 1981-03-19 | 1985-06-18 | Daikin Kogyo Co., Ltd. | Fluid flow control system |
US4600364A (en) * | 1983-06-20 | 1986-07-15 | Kabushiki Kaisha Komatsu Seisakusho | Fluid operated pump displacement control system |
DE3339165A1 (de) * | 1983-10-28 | 1985-05-23 | J.M. Voith Gmbh, 7920 Heidenheim | Verstelleinrichtung fuer das verdraengungsvolumen einer verdraengermaschine |
US4617797A (en) * | 1984-05-09 | 1986-10-21 | Sundstrand Corporation | Multi-function valve |
FR2570521B1 (fr) * | 1984-09-18 | 1987-12-11 | Renault | Dispositif de regulation a deux domaines de pression |
DE3443265A1 (de) * | 1984-11-28 | 1986-06-12 | Mannesmann Rexroth GmbH, 8770 Lohr | Regelventil fuer eine verstellpumpe |
US4892465A (en) * | 1988-09-14 | 1990-01-09 | Hagglunds Denison Corporation | Automatic control for variable displacement pump |
US5183393A (en) * | 1992-02-10 | 1993-02-02 | Schaffner Larey D | Power limiter control for a variable displacement axial piston pump |
US5222870A (en) * | 1992-06-03 | 1993-06-29 | Caterpillar Inc. | Fluid system having dual output controls |
DE19612412B4 (de) | 1996-03-28 | 2006-07-06 | Siemens Ag | Regelung für ein Druckfluid-Versorgungssystem, insbesondere für den Hochdruck in einem Kraftstoff-Einspritzsystem |
US5800130A (en) * | 1996-12-19 | 1998-09-01 | Caterpillar Inc. | Pressure control system for a variable displacement hydraulic pump |
US6460510B1 (en) | 2000-05-30 | 2002-10-08 | Robert H. Breeden | Pump assembly and method |
US6647965B1 (en) | 2003-01-08 | 2003-11-18 | Robert H. Breeden | Pump assembly and method |
US7025044B1 (en) | 2003-07-16 | 2006-04-11 | R. H. Sheppard Co., Inc. | Pump assembly and method |
CA2879202C (en) * | 2012-07-27 | 2017-06-06 | Volvo Construction Equipment Ab | Hydraulic system for construction machine |
US10626986B2 (en) * | 2016-10-31 | 2020-04-21 | Hydraforce, Inc. | Hydraulic motor drive system for controlling high inertial load rotary components |
CN110043526B (zh) * | 2019-04-26 | 2020-03-10 | 燕山大学 | 一种直动式溢流马达及其液压源回路 |
-
1972
- 1972-12-18 US US00315944A patent/US3820920A/en not_active Expired - Lifetime
-
1973
- 1973-09-13 CA CA180,911A patent/CA990578A/en not_active Expired
- 1973-09-13 AU AU60290/73A patent/AU474404B2/en not_active Expired
- 1973-10-04 IT IT52923/73A patent/IT996263B/it active
- 1973-10-10 DE DE19732350766 patent/DE2350766A1/de not_active Ceased
- 1973-11-13 JP JP48127637A patent/JPS5916111B2/ja not_active Expired
- 1973-11-20 FR FR7341252A patent/FR2211055A5/fr not_active Expired
- 1973-12-10 GB GB5706373A patent/GB1448997A/en not_active Expired
- 1973-12-17 SE SE7317030A patent/SE394016B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1448997A (en) | 1976-09-08 |
DE2350766A1 (de) | 1974-07-11 |
JPS5916111B2 (ja) | 1984-04-13 |
AU474404B2 (en) | 1976-07-22 |
IT996263B (it) | 1975-12-10 |
AU6029073A (en) | 1975-03-13 |
FR2211055A5 (ja) | 1974-07-12 |
US3820920A (en) | 1974-06-28 |
SE394016B (sv) | 1977-05-31 |
JPS4989201A (ja) | 1974-08-26 |
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