AR217956A1 - Dispositivo para controlar el flujo de fluido a partir de una fuente de suministro de fluido variable a un dispositivo accionado por fluido - Google Patents

Dispositivo para controlar el flujo de fluido a partir de una fuente de suministro de fluido variable a un dispositivo accionado por fluido

Info

Publication number
AR217956A1
AR217956A1 AR278204A AR27820479A AR217956A1 AR 217956 A1 AR217956 A1 AR 217956A1 AR 278204 A AR278204 A AR 278204A AR 27820479 A AR27820479 A AR 27820479A AR 217956 A1 AR217956 A1 AR 217956A1
Authority
AR
Argentina
Prior art keywords
fluid
supply source
variable
controlling
driven device
Prior art date
Application number
AR278204A
Other languages
English (en)
Original Assignee
Eaton Corp
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 Eaton Corp filed Critical Eaton Corp
Application granted granted Critical
Publication of AR217956A1 publication Critical patent/AR217956A1/es

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
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
    • 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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump
    • 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
    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control 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
    • F15B2211/20—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
    • F15B2211/30—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
    • F15B2211/305—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
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3138—Directional control characterised by the positions of the valve element the positions being discrete
    • 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
    • F15B2211/3144—Directional control characterised by the positions of the valve element the positions being continuously variable, e.g. as realised by proportional 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
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/321—Directional control characterised by the type of actuation mechanically
    • F15B2211/324—Directional control characterised by the type of actuation mechanically manually, e.g. by using a lever or pedal
    • 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
    • F15B2211/40507—Flow control characterised by the type of flow control means or valve with constant 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
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41509—Flow control characterised by the connections of the flow 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
    • F15B2211/60—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
    • F15B2211/6058—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
    • F15B2211/665—Methods of control using electronic components
    • F15B2211/6652—Control of the pressure source, e.g. control of the swash plate angle
    • 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
    • F15B2211/7054—Having equal piston areas
    • 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)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
AR278204A 1978-09-28 1979-09-26 Dispositivo para controlar el flujo de fluido a partir de una fuente de suministro de fluido variable a un dispositivo accionado por fluido AR217956A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/946,915 US4199942A (en) 1978-09-28 1978-09-28 Load sensing control for hydraulic system

Publications (1)

Publication Number Publication Date
AR217956A1 true AR217956A1 (es) 1980-04-30

Family

ID=25485178

Family Applications (1)

Application Number Title Priority Date Filing Date
AR278204A AR217956A1 (es) 1978-09-28 1979-09-26 Dispositivo para controlar el flujo de fluido a partir de una fuente de suministro de fluido variable a un dispositivo accionado por fluido

Country Status (7)

Country Link
US (1) US4199942A (es)
EP (1) EP0010860B1 (es)
JP (1) JPS5554701A (es)
AR (1) AR217956A1 (es)
BR (1) BR7906319A (es)
CA (1) CA1113834A (es)
DE (1) DE2963501D1 (es)

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US4446697A (en) * 1978-05-18 1984-05-08 Eaton Corporation Hydraulic fan drive system including variable displacement pump
DE2910611A1 (de) * 1979-03-17 1980-09-18 Bosch Gmbh Robert Hydraulikanlage
US4334408A (en) * 1979-09-19 1982-06-15 Joy Manufacturing Company Pneumatic and hydraulic power control of drill
GB2081394B (en) * 1980-05-30 1983-12-07 Komatsu Mfg Co Ltd Hydraulic systems
JPS57110855A (en) * 1980-12-27 1982-07-09 Hitachi Constr Mach Co Ltd Controller of oil hydraulic device
US4571941A (en) * 1980-12-27 1986-02-25 Hitachi Construction Machinery Co, Ltd. Hydraulic power system
US4418710A (en) * 1981-10-05 1983-12-06 Eaton Corporation Pilot control valve for load sensing hydraulic system
US4479349A (en) * 1981-11-19 1984-10-30 General Signal Corporation Hydraulic control system
DE3413913A1 (de) * 1984-04-13 1985-10-24 J.M. Voith Gmbh, 7920 Heidenheim Verstelleinrichtung fuer das verdraengungsvolumen einer verdraengermaschine
JPS61163759A (ja) * 1985-01-14 1986-07-24 Oki Electric Ind Co Ltd ル−チング処理方式
DE3702000A1 (de) * 1987-01-23 1988-08-04 Hydromatik Gmbh Steuervorrichtung fuer ein hydrostatisches getriebe fuer wenigstens zwei verbraucher
US4823552A (en) * 1987-04-29 1989-04-25 Vickers, Incorporated Failsafe electrohydraulic control system for variable displacement pump
DE3910895A1 (de) * 1987-10-05 1990-10-11 Rexroth Mannesmann Gmbh Lastunabhaengige steuereinrichtung fuer hydraulische verbraucher
DE3733677A1 (de) * 1987-10-05 1989-04-13 Rexroth Mannesmann Gmbh Lastunabhaengige steuereinrichtung fuer hydraulische verbraucher
DE3805061A1 (de) * 1988-02-18 1989-08-31 Linde Ag Hydraulische schaltanordnung
DE3812753C2 (de) * 1988-04-16 1994-05-26 Rexroth Mannesmann Gmbh Ventilanordnung für eine verstellbare Pumpe
DE3900887C2 (de) * 1989-01-13 1994-09-29 Rexroth Mannesmann Gmbh Ventilanordnung zum Betätigen des Teleskopzylinders eines Lkw-Kippers
DE3914904C2 (de) * 1989-05-05 1995-06-29 Rexroth Mannesmann Gmbh Regelung für eine lastabhängig arbeitende Verstellpumpe
JPH03159879A (ja) * 1989-11-20 1991-07-09 Toyota Autom Loom Works Ltd 産業車両の荷役制御装置
US5046309A (en) * 1990-01-22 1991-09-10 Shin Caterpillar Mitsubishi Ltd. Energy regenerative circuit in a hydraulic apparatus
JPH04136507A (ja) * 1990-09-28 1992-05-11 Komatsu Ltd 油圧回路
DE4122164C1 (es) * 1991-07-04 1993-01-14 Danfoss A/S, Nordborg, Dk
US5245827A (en) * 1992-08-03 1993-09-21 Deere & Company Supply valve arrangement for closed center hydraulic system
US6094911A (en) * 1998-12-18 2000-08-01 Caterpillar Inc. Load sensing hydraulic system with high pressure cut-off bypass
WO2005093263A1 (de) 2004-03-09 2005-10-06 Bucher Hydraulics Gmbh Hydraulisches steuersystem
JP5118391B2 (ja) * 2007-05-31 2013-01-16 株式会社小松製作所 圧油供給制御装置および建設機械
JP2009019662A (ja) * 2007-07-10 2009-01-29 Komatsu Ltd 圧油供給制御装置および建設機械
JP5210248B2 (ja) * 2009-06-22 2013-06-12 株式会社クボタ 作業機の油圧装置
KR101609882B1 (ko) * 2009-12-17 2016-04-06 두산인프라코어 주식회사 건설기계의 유압시스템
US8435010B2 (en) * 2010-04-29 2013-05-07 Eaton Corporation Control of a fluid pump assembly
CN102927087A (zh) * 2012-11-16 2013-02-13 无锡汇虹机械制造有限公司 一种自适应负载压力的液压泵系统控制技术
US9404599B2 (en) * 2014-03-12 2016-08-02 Flextronics Automotive Inc. Dual/variable gain oil pump control valve
US11674534B2 (en) * 2020-04-17 2023-06-13 Oshkosh Corporation Refuse vehicle control systems and methods
SE545533C2 (en) * 2021-03-04 2023-10-17 Husqvarna Ab A hydraulic system for construction machines and a method for controlling the hydraulic system

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DE1750358B2 (de) * 1968-04-24 1974-09-19 Robert Bosch Gmbh, 7000 Stuttgart Elektrohydraulische Steuereinrichtung
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US4044786A (en) * 1976-07-26 1977-08-30 Eaton Corporation Load sensing steering system with dual power source

Also Published As

Publication number Publication date
CA1113834A (en) 1981-12-08
DE2963501D1 (en) 1982-09-30
US4199942A (en) 1980-04-29
EP0010860A1 (en) 1980-05-14
BR7906319A (pt) 1980-06-17
JPS5554701A (en) 1980-04-22
JPH0255642B2 (es) 1990-11-28
EP0010860B1 (en) 1982-08-04

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