ES8300959A1 - Instalacion hidraulica perfeccionada con al menos una bomba de desplazamiento controlada por una corriente de aceite en exceso. - Google Patents

Instalacion hidraulica perfeccionada con al menos una bomba de desplazamiento controlada por una corriente de aceite en exceso.

Info

Publication number
ES8300959A1
ES8300959A1 ES503127A ES503127A ES8300959A1 ES 8300959 A1 ES8300959 A1 ES 8300959A1 ES 503127 A ES503127 A ES 503127A ES 503127 A ES503127 A ES 503127A ES 8300959 A1 ES8300959 A1 ES 8300959A1
Authority
ES
Spain
Prior art keywords
flow
controllers
travel
power beyond
swing function
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
Application number
ES503127A
Other languages
English (en)
Other versions
ES503127A0 (es
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.)
Deere and Co
Original Assignee
Deere and Co
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 Deere and Co filed Critical Deere and Co
Publication of ES503127A0 publication Critical patent/ES503127A0/es
Publication of ES8300959A1 publication Critical patent/ES8300959A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E02F9/2246—Control of prime movers, e.g. depending on the hydraulic load of work tools
    • 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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • 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
    • E02F9/2292—Systems with two or more 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
    • F15B11/16—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
    • 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
    • F15B2211/20—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
    • F15B2211/60—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
    • F15B2211/65—Methods of control of the load sensing 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
    • F15B2211/70—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
    • 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
    • F15B2211/78—Control of multiple output members

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Lifting Devices For Agricultural Implements (AREA)

Abstract

INSTALACION HIDRAULICA CON UNA BOMBA DE DESPLAZAMIENTO CONTROLADA POR UNA CORRIENTE DE ACEITE EN EXCESO. CONSTA DE UNA BOMBA DE DESPLAZAMIENTO (66) A LA QUE ESTA CONECTADO UN MANDO DE DESPLAZAMIENTO DEPENDIENTE DE LA PRESION, QUE DISMINUYE EL CAUDAL DE IMPULSION AL RECIBIRSE UNA SEÑAL DE AUMENTO DE LA PRESION; DE UNA VALVULA DE MANDO (12) PRIORITARIA CON UNA ENTRADA CONECTADA A LA BOMBA DE DESPLAZAMIENTO, UNA SALIDA DE EXCEDENTE PRIORITARIA (44), ASI COMO CONEXIONES DE SALIDA PARA EJERCICIOS PRIORITARIOS DE FUNCION; DE UNA VALVULA DE MANDO (14) MONTADA AGUAS ABAJO CON UNA ENTRADA CONECTADA A LA CITADA SALIDA DE EXCEDENTE (44); Y DE UN DIVISOR DE LA CORRIENTE QUE ACTUA EN FUNCION DE LAS NECESIDADES, PREVISTO EN CADA UNA DE LAS MENCIONADAS VALVULAS DE MANDO (12, 14).
ES503127A 1980-06-19 1981-06-17 Instalacion hidraulica perfeccionada con al menos una bomba de desplazamiento controlada por una corriente de aceite en exceso. Expired ES8300959A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/161,082 US4335577A (en) 1980-06-19 1980-06-19 Hydraulic system having variable displacement pumps controlled by power beyond flow

Publications (2)

Publication Number Publication Date
ES503127A0 ES503127A0 (es) 1982-11-01
ES8300959A1 true ES8300959A1 (es) 1982-11-01

Family

ID=22579741

Family Applications (1)

Application Number Title Priority Date Filing Date
ES503127A Expired ES8300959A1 (es) 1980-06-19 1981-06-17 Instalacion hidraulica perfeccionada con al menos una bomba de desplazamiento controlada por una corriente de aceite en exceso.

Country Status (11)

Country Link
US (1) US4335577A (es)
EP (2) EP0042547B1 (es)
JP (1) JPS5729801A (es)
AR (1) AR227546A1 (es)
AU (1) AU544947B2 (es)
BR (1) BR8103841A (es)
CA (1) CA1148446A (es)
DE (1) DE3167292D1 (es)
ES (1) ES8300959A1 (es)
MX (1) MX153742A (es)
ZA (1) ZA814125B (es)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4479349A (en) * 1981-11-19 1984-10-30 General Signal Corporation Hydraulic control system
DE3513452A1 (de) * 1985-04-15 1986-10-16 Mannesmann Rexroth GmbH, 8770 Lohr Hydrauliksystem fuer die versorgung einer hydrostatischen lenkung
DE4100988C2 (de) * 1991-01-15 2001-05-10 Linde Ag Hydraulisches Antriebssystem
US5540050A (en) * 1994-03-01 1996-07-30 Caterpillar Inc. Hydraulic system providing a positive actuator force
US5615553A (en) * 1995-06-28 1997-04-01 Case Corporation Hydraulic circuit with load sensing feature
US6672399B2 (en) 2001-10-19 2004-01-06 Deere & Company Hydraulic diverting system for utility vehicle
US6735908B2 (en) 2002-04-22 2004-05-18 Inscape Corporation Straddle bin
SE0402233L (sv) * 2004-07-26 2006-02-28 Volvo Constr Equip Holding Se Arrangemang och förfarande för styrning av ett arbetsfordon
DE102004048684A1 (de) * 2004-10-06 2006-04-13 Bosch Rexroth Ag Hydraulische Steueranordnung
US7401465B2 (en) * 2005-11-16 2008-07-22 Deere & Company Dual pump dual pressure hydraulic circuit
US7954317B2 (en) * 2007-12-21 2011-06-07 Deere & Company Hydraulic system
US9133837B2 (en) * 2008-04-24 2015-09-15 Caterpillar Inc. Method of controlling a hydraulic system
US8483916B2 (en) 2011-02-28 2013-07-09 Caterpillar Inc. Hydraulic control system implementing pump torque limiting
EP2765244A4 (en) 2011-10-07 2015-05-27 Volvo Constr Equip Ab PRIORITY CONTROL SYSTEM FOR CONSTRUCTION MACHINES
US9347200B2 (en) 2012-06-04 2016-05-24 Cnh Industrial America Llc Fluid control system for work vehicle
GB201419777D0 (en) 2014-11-06 2014-12-24 Agco Int Gmbh Hydraulic pressure supply system
CN106678099B (zh) * 2017-01-20 2018-06-22 徐州徐工施维英机械有限公司 混凝土施工机械的双动力液压系统和混凝土施工机械
DE102017005479A1 (de) * 2017-06-08 2018-12-13 Hydac Systems & Services Gmbh Druckversorgungsvorrichtung
DE102017126505B4 (de) 2017-11-10 2023-06-15 Syn Trac Gmbh Hydrauliksystem für ein Fahrzeug sowie ein Fahrzeug mit einem solchen Hydrauliksystem
JP6917871B2 (ja) * 2017-11-22 2021-08-11 キャタピラー エス エー アール エル 建設機械の油圧制御回路
CN113638809B (zh) * 2021-07-26 2022-11-18 中国联合重型燃气轮机技术有限公司 重型燃机的危急遮断装置

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* Cited by examiner, † Cited by third party
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US2716995A (en) * 1950-09-23 1955-09-06 Gen Motors Corp Valve for reversible fluid pump
US2892311A (en) * 1958-01-08 1959-06-30 Deere & Co Hydraulic apparatus
LU52175A1 (es) * 1965-10-21 1966-12-19
US3455210A (en) * 1966-10-26 1969-07-15 Eaton Yale & Towne Adjustable,metered,directional flow control arrangement
US3465519A (en) * 1967-08-18 1969-09-09 Webster Electric Co Inc Hydraulic flow controlling apparatus
US3718159A (en) * 1971-01-20 1973-02-27 Hydraulic Industries Control valve
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DE2435602C3 (de) * 1974-07-24 1980-06-12 International Harvester Company Mbh, 4040 Neuss Selbsttätige Steuereinrichtung zur Verteilung des Druckmittels auf zwei Hydrauliksysteme
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US3998053A (en) * 1976-03-15 1976-12-21 Caterpillar Tractor Co. Three-pump - three-circuit fluid system of a work vehicle having controlled fluid-combining means
US3991571A (en) * 1976-03-15 1976-11-16 Caterpillar Tractor Co. Fluid system of a work vehicle having fluid combining means and signal combining means
US4024710A (en) * 1976-03-25 1977-05-24 Koehring Company Load sensing hydraulic circuit having power matching means
US4023364A (en) * 1976-07-19 1977-05-17 Caterpillar Tractor Co. Swing flow supplemental travel for an excavator
US4044786A (en) * 1976-07-26 1977-08-30 Eaton Corporation Load sensing steering system with dual power source
US4055046A (en) * 1976-12-22 1977-10-25 Caterpillar Tractor Co. Control system having override for fluid operated work elements
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Also Published As

Publication number Publication date
AU544947B2 (en) 1985-06-27
AR227546A1 (es) 1982-11-15
JPS5729801A (en) 1982-02-17
EP0042547A2 (de) 1981-12-30
BR8103841A (pt) 1982-03-09
ES503127A0 (es) 1982-11-01
MX153742A (es) 1986-12-30
ZA814125B (en) 1983-01-26
CA1148446A (en) 1983-06-21
EP0042547A3 (en) 1982-08-04
DE3167292D1 (en) 1985-01-03
EP0042547B1 (de) 1984-11-21
US4335577A (en) 1982-06-22
JPH0213164B2 (es) 1990-04-03
EP0105473B1 (de) 1988-10-05
AU7026181A (en) 1981-12-24
EP0105473A3 (en) 1987-01-28
EP0105473A2 (de) 1984-04-18

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