FR2588327B1 - Entrainement hydraulique avec plusieurs equipements utilisateurs avec soupape de limitation de pression - Google Patents
Entrainement hydraulique avec plusieurs equipements utilisateurs avec soupape de limitation de pressionInfo
- Publication number
- FR2588327B1 FR2588327B1 FR8613923A FR8613923A FR2588327B1 FR 2588327 B1 FR2588327 B1 FR 2588327B1 FR 8613923 A FR8613923 A FR 8613923A FR 8613923 A FR8613923 A FR 8613923A FR 2588327 B1 FR2588327 B1 FR 2588327B1
- Authority
- FR
- France
- Prior art keywords
- user equipment
- hydraulic drive
- multiple user
- pressure limit
- limit valve
- 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 - 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
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
- F15B11/165—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for adjusting the pump output or bypass in response to demand
-
- 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
- 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
- F15B2211/25—Pressure control functions
- F15B2211/253—Pressure margin control, e.g. pump pressure in relation to load 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
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
-
- 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
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/329—Directional control characterised by the type of actuation actuated by fluid 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
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
- F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
-
- 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
- F15B2211/50—Pressure control
- F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
- F15B2211/5158—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and an output member
-
- 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
- F15B2211/50—Pressure control
- F15B2211/55—Pressure control for limiting a pressure up to a maximum pressure, e.g. by using a pressure relief valve
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/605—Load sensing circuits
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/605—Load sensing circuits
- F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
- F15B2211/6055—Load sensing circuits having valve means between output member and the load sensing circuit using pressure relief valves
-
- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7135—Combinations of output members of different types, e.g. single-acting cylinders with rotary motors
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853535771 DE3535771A1 (de) | 1985-10-07 | 1985-10-07 | Hydrostatischer antrieb mit mehreren verbrauchern |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2588327A1 FR2588327A1 (fr) | 1987-04-10 |
FR2588327B1 true FR2588327B1 (fr) | 1994-01-21 |
Family
ID=6282975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8613923A Expired - Fee Related FR2588327B1 (fr) | 1985-10-07 | 1986-10-07 | Entrainement hydraulique avec plusieurs equipements utilisateurs avec soupape de limitation de pression |
Country Status (5)
Country | Link |
---|---|
US (1) | US4738102A (fr) |
JP (1) | JPS6288803A (fr) |
DE (1) | DE3535771A1 (fr) |
FR (1) | FR2588327B1 (fr) |
GB (1) | GB2182463B (fr) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2582266B2 (ja) * | 1987-09-29 | 1997-02-19 | 新キヤタピラー三菱株式会社 | 流体圧制御システム |
US5048293A (en) * | 1988-12-29 | 1991-09-17 | Hitachi Construction Machinery Co., Ltd. | Pump controlling apparatus for construction machine |
DE3844398C2 (de) * | 1988-12-30 | 1997-07-31 | Rexroth Mannesmann Gmbh | Hydraulische Schaltung für eine Verstellpumpe |
EP0438604B1 (fr) * | 1989-08-16 | 1997-02-05 | Kabushiki Kaisha Komatsu Seisakusho | Dispositif de circuit hydraulique |
JP2828490B2 (ja) * | 1990-06-19 | 1998-11-25 | 日立建機株式会社 | ロードセンシング油圧駆動回路の制御装置 |
DE59104897D1 (de) * | 1990-12-15 | 1995-04-13 | Barmag Barmer Maschf | Hydrauliksystem. |
US5297381A (en) * | 1990-12-15 | 1994-03-29 | Barmag Ag | Hydraulic system |
DE4127342C2 (de) * | 1991-08-19 | 1995-02-16 | Danfoss As | Hydraulisches System mit einer Pumpe |
WO1993011364A1 (fr) * | 1991-11-25 | 1993-06-10 | Kabushiki Kaisha Komatsu Seisakusho | Circuit hydraulique pour l'actionnement de plusieurs activateurs et soupapes de compensation de pression et detecteurs de pression de charge maximum associes |
DE4201121A1 (de) * | 1992-01-17 | 1993-07-22 | Kloeckner Humboldt Deutz Ag | Hydraulisches wegeventil |
DE4221213A1 (de) * | 1992-06-27 | 1994-01-05 | Rexroth Mannesmann Gmbh | Druckbegrenzungsventil für hydraulische Anlagen |
DE4417987A1 (de) * | 1994-05-21 | 1995-11-23 | Lemfoerder Metallwaren Ag | Kraftfahrzeug mit einem Getriebeschalthebel und einem Handbremshebel in der Fahrzeugmitte |
GB2311385B (en) * | 1996-03-23 | 2000-07-19 | Trinova Ltd | A fluid power control circuit |
JP3497947B2 (ja) * | 1996-06-11 | 2004-02-16 | 日立建機株式会社 | 油圧駆動装置 |
DE19719636C2 (de) * | 1997-05-09 | 2000-11-30 | Wessel Hydraulik | Hydraulische Vorrichtung mit regelbarer Pumpe zur Versorgung eines ersten und eines zweiten Verbrauchers |
CA2297040C (fr) | 1998-05-28 | 2005-08-09 | Plustech Oy | Procede servant a regler une pression d'alimentation |
DE10216119A1 (de) * | 2002-04-12 | 2003-10-23 | Bosch Rexroth Ag | Hydraulische Steueranordnung in Load-Sensing Technik |
GB0303789D0 (en) * | 2003-02-19 | 2003-03-26 | Cnh Belgium Nv | Apparatus and method for providing hydraulic power to an agricultural implement |
DE102004024921B4 (de) * | 2004-05-19 | 2017-11-30 | Linde Hydraulics Gmbh & Co. Kg | Hydrostatisches Antriebssystem |
FI123814B (fi) * | 2006-09-27 | 2013-11-15 | Euroforest Oy | Painekompensointikaralla varustettu venttiili ja menetelmä sen ohjaamiseksi |
WO2012125320A1 (fr) * | 2011-03-17 | 2012-09-20 | Parker Hannifin Corporation | Système électro-hydraulique pour commander de multiples fonctions |
DE102011107222A1 (de) * | 2011-07-13 | 2013-01-17 | Linde Material Handling Gmbh | Hydrostatisches Antriebssystem mit einer im Fördervolumen verstellbaren Pumpe |
DE102011107218B4 (de) * | 2011-07-13 | 2021-09-02 | Linde Hydraulics Gmbh & Co. Kg | Hydrostatisches Antriebssystem |
FR3054008B1 (fr) * | 2016-07-13 | 2019-05-10 | Robert Bosch Gmbh | Installation de distributeur hydraulique equipee d'un absorbeur de chocs de pression |
WO2020132934A1 (fr) * | 2018-12-26 | 2020-07-02 | 潍柴动力股份有限公司 | Ensemble pompe variable hydraulique et excavateur |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3175800A (en) * | 1961-06-20 | 1965-03-30 | Int Harvester Co | Hydraulic control system and unloading valve therefor |
US3210939A (en) * | 1964-01-24 | 1965-10-12 | Chrysler Corp | Flow control device |
US3411416A (en) * | 1965-01-29 | 1968-11-19 | Eton Yale & Towne Inc | Adjustable, metered, directional flow control arrangement |
US3444689A (en) * | 1967-02-02 | 1969-05-20 | Weatherhead Co | Differential pressure compensator control |
DE2514624C3 (de) * | 1975-04-03 | 1986-10-23 | Danfoss A/S, Nordborg | Steuereinrichtung für mindestens einen hydraulisch betriebenen doppeltwirkenden Verbraucher |
US3987623A (en) * | 1976-01-23 | 1976-10-26 | Caterpillar Tractor Co. | Controlled priority fluid system of a crawler type vehicle |
US4010610A (en) * | 1976-04-09 | 1977-03-08 | J. I. Case Company | Hydraulic load-sensing system |
US4124333A (en) * | 1977-10-12 | 1978-11-07 | Caterpillar Tractor Co. | Externally adjustable load plus pump control assembly |
DE3044144A1 (de) * | 1980-11-24 | 1982-09-09 | Linde Ag, 6200 Wiesbaden | Hydrostatisches antriebssystem mit einer einstellbaren pumpe und mehreren verbrauchern |
JPS57157083A (en) * | 1981-03-23 | 1982-09-28 | Tokyo Keiki Co Ltd | Oil pressure controlling apparatus |
JPS5813203A (ja) * | 1981-07-17 | 1983-01-25 | Uchida Yuatsu Kiki Kogyo Kk | 流量制御装置 |
FR2517791B1 (fr) * | 1981-12-03 | 1986-02-28 | Rexroth Sigma | Perfectionnements apportes aux distributeurs hydrauliques |
US4553904A (en) * | 1981-12-21 | 1985-11-19 | Caterpillar Tractor Co. | Pump control with fluid responsive standby pressure |
DE3232695C2 (de) * | 1982-09-02 | 1984-08-16 | Hydromatik GmbH, 7915 Elchingen | Leistungsregel-Vorrichtung für eine Hydropumpe |
JPS5969504A (ja) * | 1982-10-14 | 1984-04-19 | Daikin Ind Ltd | キヤビテ−シヨン防止回路 |
JPS59226702A (ja) * | 1983-06-03 | 1984-12-19 | Sumiyoshi Seisakusho:Kk | 負荷感応型油圧装置 |
DE3436315A1 (de) * | 1984-10-04 | 1986-04-10 | Robert Bosch Gmbh, 7000 Stuttgart | Steuereinrichtung fuer die antriebsmaschine einer pumpe |
WO1986004963A1 (fr) * | 1985-02-23 | 1986-08-28 | Barmag Barmer Maschinenfabrik Aktiengesellschaft | Soupape proportionnelle avec precharge variable du ressort d'equilibrage non proportionnelle a la pression de la charge |
-
1985
- 1985-10-07 DE DE19853535771 patent/DE3535771A1/de active Granted
-
1986
- 1986-10-02 US US06/914,334 patent/US4738102A/en not_active Expired - Fee Related
- 1986-10-03 GB GB8623802A patent/GB2182463B/en not_active Expired
- 1986-10-06 JP JP61236372A patent/JPS6288803A/ja active Pending
- 1986-10-07 FR FR8613923A patent/FR2588327B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB8623802D0 (en) | 1986-11-05 |
GB2182463B (en) | 1989-09-13 |
FR2588327A1 (fr) | 1987-04-10 |
US4738102A (en) | 1988-04-19 |
JPS6288803A (ja) | 1987-04-23 |
DE3535771A1 (de) | 1987-04-09 |
DE3535771C2 (fr) | 1991-08-01 |
GB2182463A (en) | 1987-05-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |