FR2646688B1 - - Google Patents
Info
- Publication number
- FR2646688B1 FR2646688B1 FR9005638A FR9005638A FR2646688B1 FR 2646688 B1 FR2646688 B1 FR 2646688B1 FR 9005638 A FR9005638 A FR 9005638A FR 9005638 A FR9005638 A FR 9005638A FR 2646688 B1 FR2646688 B1 FR 2646688B1
- Authority
- FR
- France
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
- F15B11/05—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed specially adapted to maintain constant speed, e.g. pressure-compensated, load-responsive
- F15B11/055—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed specially adapted to maintain constant speed, e.g. pressure-compensated, load-responsive by adjusting the pump output or bypass
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen
- C01B3/50—Separation of hydrogen or hydrogen-containing gases from gaseous mixtures, e.g. purification
- C01B3/508—Separation of hydrogen or hydrogen-containing gases from gaseous mixtures, e.g. purification by using hydrogen storage media
-
- 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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/26—Control
- F04B1/30—Control of machines or pumps with rotary cylinder blocks
- F04B1/32—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
- F04B1/324—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the swash plate
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20546—Type of pump variable capacity
- F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
- F16H61/433—Pump capacity control by fluid pressure control means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3914904A DE3914904C2 (de) | 1989-05-05 | 1989-05-05 | Regelung für eine lastabhängig arbeitende Verstellpumpe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2646688A1 FR2646688A1 (fr) | 1990-11-09 |
| FR2646688B1 true FR2646688B1 (enExample) | 1994-12-02 |
Family
ID=6380193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9005638A Granted FR2646688A1 (fr) | 1989-05-05 | 1990-05-04 | Regulation pour une pompe a cylindree variable en fonction de la charge |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5077975A (enExample) |
| DE (1) | DE3914904C2 (enExample) |
| FR (1) | FR2646688A1 (enExample) |
| GB (1) | GB2231691A (enExample) |
| IT (1) | IT1240030B (enExample) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5245827A (en) * | 1992-08-03 | 1993-09-21 | Deere & Company | Supply valve arrangement for closed center hydraulic system |
| DE4491979T1 (de) * | 1993-03-26 | 1996-03-07 | Komatsu Mfg Co Ltd | Steuereinrichtung für eine Hydraulikantriebsmaschine |
| US5454223A (en) * | 1993-05-28 | 1995-10-03 | Dana Corporation | Hydraulic load sensing system with poppet valve having an orifice therein |
| KR100212645B1 (ko) * | 1994-09-30 | 1999-08-02 | 토니헬샴 | 유압펌프의 토출유량 제어장치 |
| DE19541190A1 (de) * | 1995-11-04 | 1997-05-07 | Rexroth Mannesmann Gmbh | Hydraulische Anordnung zur Steuerung des Hubwerks einer mobilen Arbeitsmaschine |
| US6334308B1 (en) * | 1998-03-04 | 2002-01-01 | Komatsu Ltd. | Pressure compensating valve, unloading pressure control valve and hydraulically operated device |
| WO2001017330A1 (en) * | 1999-09-03 | 2001-03-15 | Wojanis James R | Hydraulic plow balancing system |
| GB2395768B (en) * | 2002-11-27 | 2006-01-25 | Komatsu Uk Ltd | Vehicle speed limiting system of hydraulic travelling vehicle |
| US6874318B1 (en) * | 2003-09-18 | 2005-04-05 | Sauer-Danfoss, Inc. | Automatic remote pressure compensation in an open circuit pump |
| WO2005093263A1 (de) | 2004-03-09 | 2005-10-06 | Bucher Hydraulics Gmbh | Hydraulisches steuersystem |
| DE102004061555A1 (de) * | 2004-12-21 | 2006-06-22 | Bosch Rexroth Aktiengesellschaft | Hydraulische Steueranordnung |
| CN101968067A (zh) * | 2010-10-24 | 2011-02-09 | 绍兴市肯特机械电子有限公司 | 一种高精度的泵控系统 |
| US9347200B2 (en) * | 2012-06-04 | 2016-05-24 | Cnh Industrial America Llc | Fluid control system for work vehicle |
| DE102014013252A1 (de) * | 2014-09-08 | 2016-03-10 | Hydac International Gmbh | Antriebseinrichtung für eine Güllepumpe |
| US10495220B2 (en) | 2015-02-09 | 2019-12-03 | Uusi, Llc | Hydraulic control system for auxiliary power source |
| US11187321B2 (en) | 2015-02-09 | 2021-11-30 | Uusi, Llc | Control system for auxiliary power source |
| CA3115492C (en) * | 2020-04-17 | 2026-02-24 | Oshkosh Corporation | Refuse vehicle control systems and methods |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1801137A1 (de) * | 1968-10-04 | 1970-04-16 | Bosch Gmbh Robert | Hydraulikanlage mit einer verstellbaren Pumpe |
| US3543508A (en) * | 1968-10-16 | 1970-12-01 | Hyster Co | Hydrostatic transmission with pressure control |
| US3750405A (en) * | 1971-08-16 | 1973-08-07 | Int Harvester Co | Closed center hydraulic system |
| US4011721A (en) * | 1976-04-14 | 1977-03-15 | Eaton Corporation | Fluid control system utilizing pressure drop valve |
| US4074529A (en) * | 1977-01-04 | 1978-02-21 | Tadeusz Budzich | Load responsive system pump controls |
| US4103489A (en) * | 1977-04-15 | 1978-08-01 | Deere & Company | Total power fluid system |
| US4091617A (en) * | 1977-05-11 | 1978-05-30 | Eaton Corporation | Hydraulic controller |
| US4199942A (en) * | 1978-09-28 | 1980-04-29 | Eaton Corporation | Load sensing control for hydraulic system |
| US4293284A (en) * | 1979-10-09 | 1981-10-06 | Double A Products Company | Power limiting control apparatus for pressure-flow compensated variable displacement pump assemblies |
| DE3001167A1 (de) * | 1980-01-15 | 1981-07-16 | G.L. Rexroth Gmbh, 8770 Lohr | Vorrichtung zum steuern eines hydromotors |
| US4382485A (en) * | 1980-05-27 | 1983-05-10 | Dresser Industries, Inc. | Hydraulic logic control for variable displacement pump |
| JPS5872762A (ja) * | 1980-08-06 | 1983-04-30 | Hitachi Constr Mach Co Ltd | 油圧駆動装置の制御装置 |
| JPS57501394A (enExample) * | 1980-09-12 | 1982-08-05 | ||
| US4364230A (en) * | 1980-10-07 | 1982-12-21 | J. I. Case Company | Hydrostatic transmission overspeed prevention circuit |
| DE3044515A1 (de) * | 1980-11-26 | 1982-06-03 | bso Steuerungstechnik GmbH, 6603 Sulzbach | Verstelleinrichtung fuer hydraulikpumpe mit verstellbarer foerdermenge |
| US4523430A (en) * | 1981-03-19 | 1985-06-18 | Daikin Kogyo Co., Ltd. | Fluid flow control system |
| DE3208250A1 (de) * | 1982-03-08 | 1983-09-15 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zum steuern und/oder regeln einer axialkolbenmaschine |
| US4658584A (en) * | 1984-03-07 | 1987-04-21 | Nippondenso Co., Ltd. | Power steering system for vehicles |
| DE3410071C2 (de) * | 1984-03-20 | 1994-06-01 | Bosch Gmbh Robert | Hydraulikanlage |
| DE3413913A1 (de) * | 1984-04-13 | 1985-10-24 | J.M. Voith Gmbh, 7920 Heidenheim | Verstelleinrichtung fuer das verdraengungsvolumen einer verdraengermaschine |
| CN1010794B (zh) * | 1986-01-11 | 1990-12-12 | 日立建机株式会社 | 液压泵输入功率控制系统 |
| US4823552A (en) * | 1987-04-29 | 1989-04-25 | Vickers, Incorporated | Failsafe electrohydraulic control system for variable displacement pump |
| DE3733677A1 (de) * | 1987-10-05 | 1989-04-13 | Rexroth Mannesmann Gmbh | Lastunabhaengige steuereinrichtung fuer hydraulische verbraucher |
| IN171213B (enExample) * | 1988-01-27 | 1992-08-15 | Hitachi Construction Machinery | |
| DE3805287C2 (de) * | 1988-02-19 | 1995-02-09 | Rexroth Mannesmann Gmbh | Ventilanordnung für mindestens einen von einer Pumpe mit veränderlichem Fördervolumen gespeisten hydraulischen Verbraucher |
| EP0329860A1 (en) * | 1988-02-25 | 1989-08-30 | RIVA CALZONI S.p.A. | Apparatus for the feed and the speed and torque control of a hydraulic motor with variable displacement at constant pressure |
-
1989
- 1989-05-05 DE DE3914904A patent/DE3914904C2/de not_active Expired - Fee Related
-
1990
- 1990-04-25 GB GB9009280A patent/GB2231691A/en not_active Withdrawn
- 1990-05-03 IT IT20193A patent/IT1240030B/it active IP Right Grant
- 1990-05-04 FR FR9005638A patent/FR2646688A1/fr active Granted
- 1990-05-04 US US07/519,191 patent/US5077975A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FR2646688A1 (fr) | 1990-11-09 |
| US5077975A (en) | 1992-01-07 |
| IT9020193A0 (it) | 1990-05-03 |
| IT1240030B (it) | 1993-11-27 |
| GB9009280D0 (en) | 1990-06-20 |
| DE3914904A1 (de) | 1990-11-08 |
| IT9020193A1 (it) | 1991-11-03 |
| GB2231691A (en) | 1990-11-21 |
| DE3914904C2 (de) | 1995-06-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse | ||
| ST | Notification of lapse |