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FI70075C - Hydrostatiskt drivsystem - Google Patents

Hydrostatiskt drivsystem Download PDF

Info

Publication number
FI70075C
FI70075C FI813748A FI813748A FI70075C FI 70075 C FI70075 C FI 70075C FI 813748 A FI813748 A FI 813748A FI 813748 A FI813748 A FI 813748A FI 70075 C FI70075 C FI 70075C
Authority
FI
Finland
Prior art keywords
pressure
line
control
valve
pump
Prior art date
Application number
FI813748A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI813748L (fi
FI70075B (fi
Inventor
Alfred Krusche
Original Assignee
Linde Ag
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 Ag filed Critical Linde Ag
Publication of FI813748L publication Critical patent/FI813748L/fi
Application granted granted Critical
Publication of FI70075B publication Critical patent/FI70075B/fi
Publication of FI70075C publication Critical patent/FI70075C/fi

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
    • F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement 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
    • 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
    • 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
    • F15B2211/20507—Type of prime mover
    • F15B2211/20523—Internal combustion engine
    • 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
    • F15B2211/205—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
    • F15B2211/30—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
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • F15B2211/3053—In combination with a pressure compensating valve
    • F15B2211/30535—In combination with a pressure compensating valve the pressure compensating valve is arranged between pressure source and 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
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
    • F15B2211/3057—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve having two valves, one for each port of a double-acting 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
    • F15B2211/30—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
    • F15B2211/30—Directional control
    • F15B2211/35—Directional control combined with flow control
    • F15B2211/351—Flow control by regulating means in feed line, i.e. meter-in 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
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40546—Flow control characterised by the type of flow control means or valve with flow combiners
    • 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
    • F15B2211/505—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
    • F15B2211/50536—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid 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
    • F15B2211/50—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
    • F15B2211/50545—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using braking valves to maintain a back 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
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5151—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a 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
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5153—Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member and a 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
    • F15B2211/50—Pressure control
    • F15B2211/52—Pressure control characterised by the type of actuation
    • F15B2211/528—Pressure 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
    • F15B2211/55—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
    • F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
    • F15B2211/6054—Load sensing circuits having valve means between output member and the load sensing circuit using shuttle 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
    • F15B2211/60—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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/605—Load sensing circuits
    • F15B2211/6058—Load sensing circuits with isolator 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/615—Filtering 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
    • F15B2211/60—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
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting output members
    • 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
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7058—Rotary output members
    • 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
    • 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
    • F15B2211/76—Control of force or torque of the output member

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Control Of Fluid Gearings (AREA)
  • Control Of Transmission Device (AREA)
FI813748A 1980-11-24 1981-11-24 Hydrostatiskt drivsystem FI70075C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803044144 DE3044144A1 (de) 1980-11-24 1980-11-24 Hydrostatisches antriebssystem mit einer einstellbaren pumpe und mehreren verbrauchern
DE3044144 1980-11-24

Publications (3)

Publication Number Publication Date
FI813748L FI813748L (fi) 1982-05-25
FI70075B FI70075B (fi) 1986-01-31
FI70075C true FI70075C (fi) 1986-09-12

Family

ID=6117399

Family Applications (1)

Application Number Title Priority Date Filing Date
FI813748A FI70075C (fi) 1980-11-24 1981-11-24 Hydrostatiskt drivsystem

Country Status (9)

Country Link
US (1) US4425759A (de)
EP (1) EP0053323B1 (de)
JP (1) JPS57116965A (de)
CS (1) CS238619B2 (de)
DE (1) DE3044144A1 (de)
ES (1) ES8300394A1 (de)
FI (1) FI70075C (de)
PL (1) PL139197B1 (de)
YU (1) YU267581A (de)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3321483A1 (de) * 1983-06-14 1984-12-20 Linde Ag, 6200 Wiesbaden Hydraulische einrichtung mit einer pumpe und mindestens zwei von dieser beaufschlagten verbrauchern hydraulischer energie
DE3422165A1 (de) * 1983-06-14 1984-12-20 Linde Ag, 6200 Wiesbaden Hydraulische einrichtung mit einer pumpe und mindestens zwei von dieser beaufschlagten verbrauchern hydraulischer energie
CA1246425A (en) * 1984-02-13 1988-12-13 Raud A. Wilke Post-pressure-compensated unitary hydraulic valve
JPS61175301A (ja) * 1985-01-29 1986-08-07 Uchida Yuatsu Kiki Kogyo Kk ロ−ドセンシング形マルチプルコントロ−ル弁のタンデム回路装置
DE3605312A1 (de) * 1985-02-22 1986-08-28 Linde Ag, 6200 Wiesbaden Schieberventil
US4719753A (en) * 1985-02-22 1988-01-19 Linde Aktiengesellschaft Slide valve for load sensing control in a hydraulic system
DE3535771A1 (de) * 1985-10-07 1987-04-09 Linde Ag Hydrostatischer antrieb mit mehreren verbrauchern
US4724673A (en) * 1986-06-30 1988-02-16 Vickers, Incorporated Power transmission
DE3634728A1 (de) * 1986-10-11 1988-04-21 Rexroth Mannesmann Gmbh Ventilanordnung zum lastunabhaengigen steuern mehrerer gleichzeitig betaetigter hydraulischer verbraucher
DE3640236A1 (de) * 1986-11-25 1988-06-01 Rexroth Mannesmann Gmbh Anordnung zum erzeugen hoher hydraulischer druecke
DE3716200C2 (de) * 1987-05-14 1997-08-28 Linde Ag Steuer- und Regeleinrichtung für ein hydrostatisches Antriebsaggregat und Verfahren zum Betreiben eines solchen
AU603907B2 (en) * 1987-06-30 1990-11-29 Hitachi Construction Machinery Co. Ltd. Hydraulic drive system
DE3883690T2 (de) * 1987-10-05 1994-03-17 Hitachi Construction Machinery Hydraulisches Antriebssystem.
DE3733679A1 (de) * 1987-10-05 1989-04-13 Rexroth Mannesmann Gmbh Steuerschaltung fuer einen mit einer verstellpumpe betriebenen hydraulischen kraftheber
DE3733677A1 (de) * 1987-10-05 1989-04-13 Rexroth Mannesmann Gmbh Lastunabhaengige steuereinrichtung fuer hydraulische verbraucher
KR920006546B1 (ko) * 1988-03-23 1992-08-08 히다찌 겐끼 가부시기가이샤 유압구동장치
US5186000A (en) * 1988-05-10 1993-02-16 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for construction machines
US5134853A (en) * 1988-05-10 1992-08-04 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for construction machines
DE68910721T2 (de) * 1988-05-12 1994-03-10 Hitachi Construction Machinery Hydraulische Antriebseinrichtung für Raupenbaufahrzeuge.
FI83256C (fi) * 1988-07-27 1991-06-10 Tampella Oy Ab Anordning foer anvaendning av hydrauliska manoeveranordningar i en bergborrsbom.
EP0411151B1 (de) * 1989-02-20 1994-07-06 Hitachi Construction Machinery Co., Ltd. Hydraulische schaltung für maschinen
US4986071A (en) * 1989-06-05 1991-01-22 Komatsu Dresser Company Fast response load sense control system
JPH0792090B2 (ja) * 1989-06-19 1995-10-09 株式会社小松製作所 油圧回路
DE69132071T2 (de) * 1990-05-15 2000-11-16 Kabushiki Kaisha Komatsu Seisakusho, Tokio/Tokyo Hydraulisches system
JP3061858B2 (ja) * 1990-07-05 2000-07-10 日立建機株式会社 油圧駆動装置及び弁装置
JPH04136507A (ja) * 1990-09-28 1992-05-11 Komatsu Ltd 油圧回路
JP3115887B2 (ja) * 1990-09-28 2000-12-11 株式会社小松製作所 クローズドセンタ・ロードセンシングシステムにおけるポンプの吐出容積の可変回路
US5315826A (en) * 1990-11-26 1994-05-31 Hitachi Construction Machinery Co., Inc. Hydraulic drive system and directional control valve
JPH04210101A (ja) * 1990-11-30 1992-07-31 Komatsu Ltd 油圧回路
JP3006777B2 (ja) * 1991-03-15 2000-02-07 株式会社小松製作所 ロ−ドセンシング油圧回路
US5226290A (en) * 1991-05-10 1993-07-13 Techco Corporation Bootstrap hydraulic systems
US5305604A (en) * 1991-05-10 1994-04-26 Techco Corporation Control valve for bootstrap hydraulic systems
US5249420A (en) * 1991-05-10 1993-10-05 Techco Corporation Control valve for bootstrap hydraulic systems
US5481872A (en) * 1991-11-25 1996-01-09 Kabushiki Kaisha Komatsu Seisakusho Hydraulic circuit for operating plural actuators and its pressure compensating valve and maximum load pressure detector
WO1993017245A1 (en) * 1992-02-25 1993-09-02 Techco Corporation Control valves having parasitic leakage orifices
JP2579202Y2 (ja) * 1992-04-10 1998-08-20 株式会社小松製作所 圧力補償弁を備えた操作弁
JPH06123123A (ja) * 1992-05-22 1994-05-06 Hitachi Constr Mach Co Ltd 油圧駆動装置
DE4417962A1 (de) * 1994-05-21 1995-11-23 Rexroth Mannesmann Gmbh Steueranordnung für wenigstens zwei hydraulische Verbraucher
KR0149708B1 (ko) * 1994-07-25 1998-10-15 석진철 선회 토르크 제어장치
US5499503A (en) * 1994-09-22 1996-03-19 Iowa Mold Tooling Company, Inc. Hydraulic swing circuit
DE19833489A1 (de) 1998-07-24 2000-01-27 Mannesmann Rexroth Ag Hydraulische Schaltung
CA2279435A1 (en) * 1999-07-30 2001-01-30 Michael Alexander Duff Linear actuator
US6382595B1 (en) * 2000-07-26 2002-05-07 Schlumberger Technology Corporation Differential hydrostatic transmission system
KR100704219B1 (ko) * 2003-08-20 2007-04-09 가부시키가이샤 고마쓰 세이사쿠쇼 유압구동 제어장치
JP2005098455A (ja) * 2003-09-26 2005-04-14 Mitsubishi Heavy Ind Ltd 産業機械の油圧制御装置
DE112004002768B4 (de) * 2004-03-09 2009-02-12 Bucher Hydraulics Gmbh Hydraulisches Steuersystem
CN103244501B (zh) * 2013-05-14 2016-07-13 三一汽车起重机械有限公司 一种液压控制阀组、液压系统和工程机械
US20150101322A1 (en) 2013-10-14 2015-04-16 Brian Riskas System architecture for mobile hydraulic equipment
DE102018202148B3 (de) * 2018-02-12 2019-03-07 Hawe Hydraulik Se Hydraulikventilverband mit Zwangsschaltung und Mobilhydrauliksystem

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2892312A (en) * 1958-01-27 1959-06-30 Deere & Co Demand compensated hydraulic system
GB1126873A (en) * 1964-09-22 1968-09-11 Sperry Rand Corp Improvements in hydraulic supply and control systems
LU52175A1 (de) * 1965-10-21 1966-12-19
DE1755065A1 (de) * 1968-03-26 1971-10-14 Linde Ag Steuereinrichtung fuer den hydrostatischen Antrieb eines Fahrzeuges mit einer hydraulisch angetriebenen Betriebseinrichtung
DE1728270A1 (de) * 1968-09-19 1972-03-09 Bosch Gmbh Robert Hydraulische Regelanlage
DE1801137A1 (de) * 1968-10-04 1970-04-16 Bosch Gmbh Robert Hydraulikanlage mit einer verstellbaren Pumpe
DE1952034A1 (de) * 1969-10-15 1971-04-22 Linde Ag Steuereinrichtung fuer eine hydraulische Anlage und Ventil hierzu
DE2038414B2 (de) * 1970-08-01 1977-03-17 Salzgitter Maschinen Ag, 3320 Salzgitter Regelvorrichtung fuer einen hydrostatischen fahrantrieb und einem hydrostatischen arbeitsgeraeteantrieb eines laderfahrzeuges mit gleisketten
DE2146585C3 (de) * 1971-09-17 1980-08-28 G.L. Rexroth Gmbh, 8770 Lohr Hydrostatischer Antrieb für Haspelanlagen
DE2159766A1 (de) * 1971-12-02 1973-06-07 Rexroth Gmbh G L Druckregelung mit verstellpumpe
BE794408A (fr) * 1972-01-24 1973-05-16 Clark Equipment Co Transmission hydrostatique pour vehicules a quatre roues motrices
US3827453A (en) * 1972-05-05 1974-08-06 Parker Hannifin Corp Directional control valve
DE2260457C2 (de) * 1972-12-11 1982-08-26 Wabco Fahrzeugbremsen Gmbh, 3000 Hannover Stromteilereinrichtung für ein Hydrauliksystem mit mehreren unterschiedlich belastbaren Verbrauchern
DE2413295B2 (de) * 1974-03-20 1978-02-02 Robert Bosch Gmbh, 7000 Stuttgart Regeleinrichtung fuer eine verstellbare pumpe
DE2440251A1 (de) * 1974-08-22 1976-03-04 Linde Ag Schaltung fuer zwei kreislaeufe zur vereinigung der foerderstroeme beider pumpen
DE2700803C2 (de) * 1977-01-11 1982-10-28 Sauer Getriebe KG, 2350 Neumünster Regelungssystem für eine Antriebseinrichtung
DD133698A1 (de) * 1977-11-28 1979-01-17 Stefan Hein Grenzlastregelung fuer hydrostatische antriebe
DE2754430A1 (de) * 1977-12-07 1979-06-13 Bosch Gmbh Robert Steuereinrichtung fuer mindestens zwei verstellbare pumpen
DE2810611C3 (de) * 1978-03-11 1982-03-04 Eberhard 5427 Bad Ems Heine Fertigteil zur Unterstützung von Fensterbänken
DE2823559A1 (de) * 1978-05-30 1979-12-06 Linde Ag Steuer- und regeleinrichtung fuer ein hydrostatisches getriebe

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PL233434A1 (de) 1982-08-02
JPH0249405B2 (de) 1990-10-30
CS238619B2 (en) 1985-12-16
PL139197B1 (en) 1986-12-31
FI813748L (fi) 1982-05-25
JPS57116965A (en) 1982-07-21
YU267581A (en) 1984-02-29
ES507204A0 (es) 1982-11-01
FI70075B (fi) 1986-01-31
DE3044144A1 (de) 1982-09-09
ES8300394A1 (es) 1982-11-01
EP0053323A1 (de) 1982-06-09
US4425759A (en) 1984-01-17
EP0053323B1 (de) 1986-04-16

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