DE1952034A1 - Steuereinrichtung fuer eine hydraulische Anlage und Ventil hierzu - Google Patents

Steuereinrichtung fuer eine hydraulische Anlage und Ventil hierzu

Info

Publication number
DE1952034A1
DE1952034A1 DE19691952034 DE1952034A DE1952034A1 DE 1952034 A1 DE1952034 A1 DE 1952034A1 DE 19691952034 DE19691952034 DE 19691952034 DE 1952034 A DE1952034 A DE 1952034A DE 1952034 A1 DE1952034 A1 DE 1952034A1
Authority
DE
Germany
Prior art keywords
valve
line
pump
control
additional
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.)
Ceased
Application number
DE19691952034
Other languages
German (de)
English (en)
Inventor
Walter Kropp
Siegfried Schurawski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Linde GmbH
Original Assignee
Linde GmbH
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 Linde GmbH filed Critical Linde GmbH
Priority to DE19691952034 priority Critical patent/DE1952034A1/de
Priority to US00080665A priority patent/US3720059A/en
Priority to FR7037120A priority patent/FR2065949A5/fr
Priority to SE13913/70A priority patent/SE366098B/xx
Priority to GB1290247D priority patent/GB1290247A/en
Priority to JP9083070A priority patent/JPS5417114B1/ja
Publication of DE1952034A1 publication Critical patent/DE1952034A1/de
Ceased legal-status Critical Current

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
    • F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
    • B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
    • B62D11/06—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source
    • B62D11/10—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears
    • B62D11/14—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source
    • B62D11/18—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source the additional power supply being supplied hydraulically
    • B62D11/183—Control systems therefor
    • 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
    • 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
    • F15B2211/20576—Systems with pumps with multiple pumps
    • 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
    • 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
    • F15B2211/30505—Non-return valves, i.e. check 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
    • F15B2211/30—Directional control
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3105—Neutral or centre positions
    • F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
    • 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
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • 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
    • F15B2211/40—Flow control
    • F15B2211/45—Control of bleed-off flow, e.g. control of bypass flow to the return line
    • 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
    • F15B2211/40—Flow control
    • F15B2211/46—Control of flow in the return line, i.e. meter-out control
    • 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
    • F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
    • F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve means
    • 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
    • F15B2211/7142—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
DE19691952034 1969-10-15 1969-10-15 Steuereinrichtung fuer eine hydraulische Anlage und Ventil hierzu Ceased DE1952034A1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE19691952034 DE1952034A1 (de) 1969-10-15 1969-10-15 Steuereinrichtung fuer eine hydraulische Anlage und Ventil hierzu
US00080665A US3720059A (en) 1969-10-15 1970-10-14 Hydraulic system and valve therefor
FR7037120A FR2065949A5 (US06312121-20011106-C00033.png) 1969-10-15 1970-10-14
SE13913/70A SE366098B (US06312121-20011106-C00033.png) 1969-10-15 1970-10-14
GB1290247D GB1290247A (US06312121-20011106-C00033.png) 1969-10-15 1970-10-14
JP9083070A JPS5417114B1 (US06312121-20011106-C00033.png) 1969-10-15 1970-10-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691952034 DE1952034A1 (de) 1969-10-15 1969-10-15 Steuereinrichtung fuer eine hydraulische Anlage und Ventil hierzu

Publications (1)

Publication Number Publication Date
DE1952034A1 true DE1952034A1 (de) 1971-04-22

Family

ID=5748310

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19691952034 Ceased DE1952034A1 (de) 1969-10-15 1969-10-15 Steuereinrichtung fuer eine hydraulische Anlage und Ventil hierzu

Country Status (6)

Country Link
US (1) US3720059A (US06312121-20011106-C00033.png)
JP (1) JPS5417114B1 (US06312121-20011106-C00033.png)
DE (1) DE1952034A1 (US06312121-20011106-C00033.png)
FR (1) FR2065949A5 (US06312121-20011106-C00033.png)
GB (1) GB1290247A (US06312121-20011106-C00033.png)
SE (1) SE366098B (US06312121-20011106-C00033.png)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2261626A1 (de) * 1971-12-13 1973-06-14 Caterpillar Tractor Co Ventil-anordnung fuer eine hydrauliksteuerung
FR2189589A1 (US06312121-20011106-C00033.png) * 1972-06-16 1974-01-25 Orenstein & Koppel Ag
DE2364282A1 (de) * 1973-12-22 1975-07-03 Orenstein & Koppel Ag Schaltung fuer hydrostatisch betriebene geraete
DE2736804A1 (de) * 1976-08-24 1978-03-02 Caterpillar Tractor Co Hydraulisches steuersystem
DE3007787A1 (de) * 1980-02-29 1981-09-17 Linde Ag, 6200 Wiesbaden Steuereinrichtung mit einem schieberventil mit feinsteuernuten am steuerschieber
DE3146508A1 (de) * 1980-11-24 1982-06-24 Linde Ag, 6200 Wiesbaden Antriebssystem mit mindestens zwei teilsystemen
DE3044144A1 (de) * 1980-11-24 1982-09-09 Linde Ag, 6200 Wiesbaden Hydrostatisches antriebssystem mit einer einstellbaren pumpe und mehreren verbrauchern
DE3221160A1 (de) * 1982-06-04 1983-12-08 Mannesmann Rexroth GmbH, 8770 Lohr Aus zwei steuerbloecken bestehende steuerventileinrichtung fuer mehrere hydraulische antriebe, insbesondere von mobilgeraeten
DE3919640A1 (de) * 1989-06-16 1990-12-20 Rexroth Mannesmann Gmbh Aus zwei steuerbloecken bestehende steuerventileinrichtung mit pumpensteuerung fuer mehrere hydraulische antriebe, insbesondere fuer mobilgeraete
DE19911440A1 (de) * 1999-03-04 2000-09-21 Komatsu Mining Germany Gmbh Vorrichtung und Verfahren zur Ansteuerung einer Hydraulikanlage einer Baumaschine, insbesondere eines Hydraulikbaggers
US6234764B1 (en) * 1996-04-19 2001-05-22 Karl Obermoser Hydraulic ram pump
EP2855945B1 (de) 2012-05-31 2018-03-14 Putzmeister Engineering GmbH Hydrauliksystem

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FR2148331B2 (US06312121-20011106-C00033.png) * 1971-08-06 1974-03-29 Poclain Sa
DE2148502B2 (de) * 1971-09-29 1978-11-02 G.L. Rexroth Gmbh, 8770 Lohr Ein- oder mehrkreisiges Hydrauliksystem
US3922855A (en) * 1971-12-13 1975-12-02 Caterpillar Tractor Co Hydraulic circuitry for an excavator
US4030623A (en) * 1971-12-13 1977-06-21 Caterpillar Tractor Co. Hydraulic circuitry for an excavator
JPS539346B2 (US06312121-20011106-C00033.png) * 1974-03-11 1978-04-05
US4179981A (en) * 1975-10-30 1979-12-25 Poclain Device for sequentially supplying several hydraulic motors
US4024710A (en) * 1976-03-25 1977-05-24 Koehring Company Load sensing hydraulic circuit having power matching means
US4210061A (en) * 1976-12-02 1980-07-01 Caterpillar Tractor Co. Three-circuit fluid system having controlled fluid combining
US4112821A (en) * 1976-12-03 1978-09-12 Caterpillar Tractor Co. Fluid control system for multiple circuited work elements
US4073141A (en) * 1977-03-17 1978-02-14 Caterpillar Tractor Co. Fluid control system with priority flow
US4142445A (en) * 1977-03-17 1979-03-06 Caterpillar Tractor Co. Crossover plural circuit fluid system
US4262554A (en) * 1978-08-18 1981-04-21 S.R.M. Hydromekanik Aktiebolag Hydraulic valve system for controlling particularly a vehicle gearbox
US4208874A (en) * 1978-08-28 1980-06-24 Caterpillar Tractor Co. Apparatus for producing different flow rates of a fluid
US4369625A (en) * 1979-06-27 1983-01-25 Hitachi Construction Machinery Co., Ltd. Drive system for construction machinery and method of controlling hydraulic circuit means thereof
DE2930107A1 (de) * 1979-07-25 1981-02-05 Zahnradfabrik Friedrichshafen Hochdruckpumpe mit druckregler
JPS56501057A (US06312121-20011106-C00033.png) * 1979-08-30 1981-07-30
JPS6129813Y2 (US06312121-20011106-C00033.png) * 1980-07-07 1986-09-02
JPS5751006A (en) * 1980-09-08 1982-03-25 Toshiba Mach Co Ltd Composite control valve for conflluence
DE3071525D1 (en) * 1980-12-24 1986-05-07 Caterpillar Tractor Co System with constant force actuator
US4372193A (en) * 1980-12-24 1983-02-08 Caterpillar Tractor Co. System with constant force actuator
US4378675A (en) * 1981-01-14 1983-04-05 Mobil Oil Corporation Hydraulic pump interlock system
US4561824A (en) * 1981-03-03 1985-12-31 Hitachi, Ltd. Hydraulic drive system for civil engineering and construction machinery
DE3216249C2 (de) * 1981-05-02 1986-08-21 Hitachi Construction Machinery Co. Ltd., Tokio/Tokyo Hydrauliksystem für Hoch- und Tiefbaumaschinen
JPS6056923B2 (ja) * 1981-05-14 1985-12-12 日立建機株式会社 油圧回路
JPS6056924B2 (ja) * 1981-05-14 1985-12-12 日立建機株式会社 油圧回路
US4545202A (en) * 1983-10-24 1985-10-08 Sundstrand Corporation Pressure-regulating system
IT1187892B (it) * 1986-02-04 1987-12-23 Chs Vickers Spa Circuito idraulico di comando per organi di lavoro di macchine movimento terra con frenatura centralizzata degli attuatori
US4787204A (en) * 1987-09-28 1988-11-29 J. I. Case Company Common relief valve
JP2511629Y2 (ja) * 1988-05-16 1996-09-25 株式会社小松製作所 油圧回路
WO1989012756A1 (en) * 1988-06-17 1989-12-28 Kabushiki Kaisha Kobe Seiko Sho Fluid control mechanism for power shovels
EP0425684B1 (en) * 1989-03-24 1994-12-14 Hitachi Construction Machinery Co., Ltd. Valve apparatus and hydraulic drive system
KR940009219B1 (ko) * 1989-03-30 1994-10-01 히다찌 겐끼 가부시기가이샤 장궤식차량의 유압구동장치
DE4100988C2 (de) * 1991-01-15 2001-05-10 Linde Ag Hydraulisches Antriebssystem
DE69221799T2 (de) * 1991-04-15 1998-02-12 Hitachi Construction Machinery Hydraulisches steuersystem einer erdbaumaschine
US5448148A (en) * 1992-06-11 1995-09-05 Caterpillar Inc. Apparatus for positioning an excavator housing
JP2000087904A (ja) * 1998-09-14 2000-03-28 Komatsu Ltd 圧油供給装置
JP3943779B2 (ja) * 1999-01-19 2007-07-11 日立建機株式会社 土木・建設機械の油圧駆動装置
JP3859405B2 (ja) * 1999-10-01 2006-12-20 カヤバ工業株式会社 フェールセーフ回路
US6357231B1 (en) * 2000-05-09 2002-03-19 Clark Equipment Company Hydraulic pump circuit for mini excavators
CA2374901C (en) 2002-03-07 2005-05-24 Leon's Mfg. Company Inc. Loader drive system
FI20030115A (fi) * 2003-01-24 2004-07-25 Sandvik Tamrock Oy Hydraulijärjestelmä louhintalaitetta varten ja menetelmä kallioporakoneen tehon säätämiseksi
DE10336334B3 (de) * 2003-08-08 2005-08-04 Cnh Baumaschinen Gmbh Hydraulisches Steuersystem für Baumaschinenen, insbesondere für Bagger
JP4151597B2 (ja) * 2004-03-31 2008-09-17 コベルコ建機株式会社 油圧制御回路および建設機械
JP4541209B2 (ja) * 2005-03-31 2010-09-08 ナブテスコ株式会社 油圧回路
KR100665113B1 (ko) * 2005-12-09 2007-01-04 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 중장비의 유압회로
CN102536932A (zh) * 2012-01-11 2012-07-04 中联重科股份有限公司 压缩垃圾车及其液压系统
JP6643913B2 (ja) * 2016-02-16 2020-02-12 株式会社クボタ 油圧ブロック
US9677577B1 (en) * 2016-12-09 2017-06-13 Ellicott Dredge Enterprises, Llc Dredge having modular hydraulic manifolds
IT201700107028A1 (it) * 2017-09-25 2019-03-25 Tesmec Spa Apparecchiatura idraulica per la tesatura di conduttori per elettrodotti

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US2643516A (en) * 1951-12-08 1953-06-30 Goodman Mfg Co Fluid pressure system
US2979908A (en) * 1960-01-04 1961-04-18 Warner Swasey Co Hydraulic control systems
US3146593A (en) * 1960-04-18 1964-09-01 Parker Hannifin Corp Dual pump system and control valve assembly therefor
US3037354A (en) * 1961-05-02 1962-06-05 Hydraulic Unit Specialities Co Hydraulic apparatus for variable load systems
US3183977A (en) * 1962-12-03 1965-05-18 Allis Chalmers Mfg Co Tractor power lift system
US3386344A (en) * 1966-09-30 1968-06-04 Caterpillar Tractor Co Self-loading scraper hydraulic circuit with diverter
US3535877A (en) * 1969-05-09 1970-10-27 Gen Signal Corp Three-pump hydraulic system incorporating an unloader

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2261626A1 (de) * 1971-12-13 1973-06-14 Caterpillar Tractor Co Ventil-anordnung fuer eine hydrauliksteuerung
FR2189589A1 (US06312121-20011106-C00033.png) * 1972-06-16 1974-01-25 Orenstein & Koppel Ag
DE2364282A1 (de) * 1973-12-22 1975-07-03 Orenstein & Koppel Ag Schaltung fuer hydrostatisch betriebene geraete
DE2736804A1 (de) * 1976-08-24 1978-03-02 Caterpillar Tractor Co Hydraulisches steuersystem
DE3007787A1 (de) * 1980-02-29 1981-09-17 Linde Ag, 6200 Wiesbaden Steuereinrichtung mit einem schieberventil mit feinsteuernuten am steuerschieber
DE3044144A1 (de) * 1980-11-24 1982-09-09 Linde Ag, 6200 Wiesbaden Hydrostatisches antriebssystem mit einer einstellbaren pumpe und mehreren verbrauchern
DE3146508A1 (de) * 1980-11-24 1982-06-24 Linde Ag, 6200 Wiesbaden Antriebssystem mit mindestens zwei teilsystemen
DE3221160A1 (de) * 1982-06-04 1983-12-08 Mannesmann Rexroth GmbH, 8770 Lohr Aus zwei steuerbloecken bestehende steuerventileinrichtung fuer mehrere hydraulische antriebe, insbesondere von mobilgeraeten
DE3919640A1 (de) * 1989-06-16 1990-12-20 Rexroth Mannesmann Gmbh Aus zwei steuerbloecken bestehende steuerventileinrichtung mit pumpensteuerung fuer mehrere hydraulische antriebe, insbesondere fuer mobilgeraete
US6234764B1 (en) * 1996-04-19 2001-05-22 Karl Obermoser Hydraulic ram pump
DE19911440A1 (de) * 1999-03-04 2000-09-21 Komatsu Mining Germany Gmbh Vorrichtung und Verfahren zur Ansteuerung einer Hydraulikanlage einer Baumaschine, insbesondere eines Hydraulikbaggers
DE19911440C2 (de) * 1999-03-04 2002-09-19 Komatsu Mining Germany Gmbh Vorrichtung und Verfahren zur Ansteuerung einer Hydraulikanlage einer Baumaschine, insbesondere eines Hydraulikbaggers
EP2855945B1 (de) 2012-05-31 2018-03-14 Putzmeister Engineering GmbH Hydrauliksystem

Also Published As

Publication number Publication date
GB1290247A (US06312121-20011106-C00033.png) 1972-09-20
SE366098B (US06312121-20011106-C00033.png) 1974-04-08
US3720059A (en) 1973-03-13
JPS5417114B1 (US06312121-20011106-C00033.png) 1979-06-27
FR2065949A5 (US06312121-20011106-C00033.png) 1971-08-06

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