ES431959A1 - Un sistema de regulacion hidraulica. - Google Patents

Un sistema de regulacion hidraulica.

Info

Publication number
ES431959A1
ES431959A1 ES431959A ES431959A ES431959A1 ES 431959 A1 ES431959 A1 ES 431959A1 ES 431959 A ES431959 A ES 431959A ES 431959 A ES431959 A ES 431959A ES 431959 A1 ES431959 A1 ES 431959A1
Authority
ES
Spain
Prior art keywords
pump
auxiliary pump
main
flow
loader vehicle
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
ES431959A
Other languages
English (en)
Spanish (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.)
Massey Ferguson Services NV
Original Assignee
Massey Ferguson Services NV
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
Priority claimed from DE19732356809 external-priority patent/DE2356809C3/de
Application filed by Massey Ferguson Services NV filed Critical Massey Ferguson Services NV
Publication of ES431959A1 publication Critical patent/ES431959A1/es
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08Superstructures; Supports for superstructures
    • E02F9/0841Articulated frame, i.e. having at least one pivot point between two travelling gear units
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2203Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • E02F9/2207Arrangements for controlling the attitude of actuators, e.g. speed, floating function for reducing or compensating oscillations
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2221Control of flow rate; Load sensing arrangements
    • E02F9/2239Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2278Hydraulic circuits
    • E02F9/2292Systems with two or more pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/17Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08Servomotor systems incorporating electrically operated control means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/20576Systems with pumps with multiple pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/305Directional control characterised by the type of valves
    • F15B2211/30505Non-return valves, i.e. check valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/31Directional control characterised by the positions of the valve element
    • F15B2211/3105Neutral or centre positions
    • F15B2211/3116Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/505Pressure control characterised by the type of pressure control means
    • F15B2211/50509Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50536Pressure 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/52Pressure control characterised by the type of actuation
    • F15B2211/528Pressure control characterised by the type of actuation actuated by fluid pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/63Electronic controllers
    • F15B2211/6303Electronic controllers using input signals
    • F15B2211/6306Electronic controllers using input signals representing a pressure
    • F15B2211/6313Electronic controllers using input signals representing a pressure the pressure being a load pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/63Electronic controllers
    • F15B2211/6303Electronic controllers using input signals
    • F15B2211/634Electronic controllers using input signals representing a state of a valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71Multiple output members, e.g. multiple hydraulic motors or cylinders
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S60/00Power plants
    • Y10S60/911Fluid motor system incorporating electrical system

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Servomotors (AREA)
ES431959A 1973-11-14 1974-11-14 Un sistema de regulacion hidraulica. Expired ES431959A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732356809 DE2356809C3 (de) 1973-11-14 Hydraulikanlage für Fahrzeuge, insbesondere Baumaschinen

Publications (1)

Publication Number Publication Date
ES431959A1 true ES431959A1 (es) 1976-10-16

Family

ID=5898078

Family Applications (1)

Application Number Title Priority Date Filing Date
ES431959A Expired ES431959A1 (es) 1973-11-14 1974-11-14 Un sistema de regulacion hidraulica.

Country Status (7)

Country Link
US (1) US3916624A (zh)
BR (1) BR7409621A (zh)
CA (1) CA1025749A (zh)
ES (1) ES431959A1 (zh)
FR (1) FR2250908B3 (zh)
GB (1) GB1466605A (zh)
IT (1) IT1025707B (zh)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006662A (en) * 1972-11-22 1977-02-08 Danfoss A/S Hydraulic Steering apparatus
DE2535195C2 (de) * 1975-08-07 1985-01-31 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische Steuereinrichtung
US4188772A (en) * 1977-06-06 1980-02-19 Harrington Manufacturing Company Hydraulic speed control system for the pick-up reel of a peanut combine
US4537029A (en) * 1982-09-23 1985-08-27 Vickers, Incorporated Power transmission
IT1234937B (it) * 1985-02-14 1992-06-02 Cinotto Hydraulic Sistema antisaturazione per circuiti idraulici di comando con pompe e distributori compensati in pressione per organi di lavoro di macchine movimento terra
DE3516429A1 (de) * 1985-05-08 1986-11-13 Rudolf Hausherr & Söhne GmbH & Co KG, 4322 Sprockhövel Schaltungsanordnung fuer die hydraulische beaufschlagung der aggregate eines laders
WO1988005845A1 (en) * 1987-02-04 1988-08-11 Kabushiki Kaisha Komatsu Seisakusho Front frame of wheeled loader
GB2215700A (en) * 1988-03-16 1989-09-27 Massey Ferguson Mfg Hydraulic circuits
JP2511629Y2 (ja) * 1988-05-16 1996-09-25 株式会社小松製作所 油圧回路
JPH0751796B2 (ja) * 1989-04-18 1995-06-05 株式会社クボタ バックホウの油圧回路
WO1993019254A1 (de) * 1992-03-17 1993-09-30 Schneider Hans Sr Verfahren und vorrichtung zum entfernen der kiesschicht auf flachdächern
AT399130B (de) * 1992-03-18 1995-03-27 Hoerbiger Fluidtechnik Gmbh Anordnung zur hydraulischen betätigung eines fahrzeugverdeckes
GB9414694D0 (en) * 1994-07-21 1994-09-07 Thwaites Limited A dumper vehicle
AU720849B2 (en) * 1996-03-28 2000-06-15 Clark Equipment Company Multifunction valve stack
US6018895A (en) * 1996-03-28 2000-02-01 Clark Equipment Company Valve stack in a mini-excavator directing fluid under pressure from multiple pumps to actuable elements
IT1289120B1 (it) * 1996-07-04 1998-09-25 Fki Fai Komatsu Ind Spa Circuito idraulico di comando per organi di lavoro,in particolare in macchine movimento terra
US6241420B1 (en) 1999-08-31 2001-06-05 Caterpillar Paving Products Inc. Control system for a vibratory compactor
US6840334B2 (en) * 2002-10-23 2005-01-11 Lonnie L. Marquardt Grader attachment for a skid steer
US6901754B2 (en) * 2003-10-01 2005-06-07 Husco International, Inc. Power conserving hydraulic pump bypass compensator circuit
US7506719B2 (en) * 2005-03-23 2009-03-24 Clark Equipment Company Self-synchronizing hydraulic system
US7537079B2 (en) * 2005-03-23 2009-05-26 Clark Equipment Company Passively rephasing piston
US7316111B2 (en) * 2006-01-13 2008-01-08 Clark Equipment Company Multi-purpose hydraulic system
US7481052B2 (en) * 2006-04-17 2009-01-27 Clark Equipment Company Fluid circuit with multiple flows from a series valve
EP2065519B1 (en) * 2007-11-29 2011-01-26 Caterpillar Inc. Method of operating a machine having a hydraulic work arm system, and machine equipped with a hydraulic work arm system with boost possibility.
US8152407B1 (en) 2010-11-08 2012-04-10 Saudi Arabian Oil Company Auxiliary pressure relief reservoir for crash barrier
US8152406B1 (en) 2010-11-08 2012-04-10 Saudi Arabian Oil Company Crash barrier with over-pressure relief system
US8997478B2 (en) * 2011-09-22 2015-04-07 Deere & Company Multi-pump system with pump-flow diversion
JP2016080084A (ja) * 2014-10-17 2016-05-16 三菱重工業株式会社 保圧装置、工作機械及び工作機械における保圧装置の運転方法
US9470246B1 (en) * 2015-06-05 2016-10-18 Cnh Industrial America Llc Hydraulic actuation system for work machine
US9845590B2 (en) * 2015-08-06 2017-12-19 Caterpillar Inc. Hydraulic system for an earth moving machine
US10352335B2 (en) * 2015-12-22 2019-07-16 Kubota Corporation Hydraulic system of work machine
KR102394557B1 (ko) * 2016-12-12 2022-05-04 현대자동차 주식회사 Isg 차량용 자동 변속기의 유압 제어 시스템
CN115342091A (zh) * 2021-05-12 2022-11-15 哈威油液压技术(无锡)有限公司 液压控制系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2323519A (en) * 1941-01-24 1943-07-06 Ternstedt Mfg Co Vacuum operated window regulator
US3171247A (en) * 1962-05-24 1965-03-02 Webster Electric Co Inc Motor vehicle and hydraulic system
US3443380A (en) * 1968-01-02 1969-05-13 Allis Chalmers Mfg Co Two-pump system for lift cylinder

Also Published As

Publication number Publication date
BR7409621A (pt) 1976-05-25
DE2356809A1 (de) 1975-06-19
GB1466605A (en) 1977-03-09
US3916624A (en) 1975-11-04
IT1025707B (it) 1978-08-30
CA1025749A (en) 1978-02-07
FR2250908B3 (zh) 1977-08-12
FR2250908A1 (zh) 1975-06-06
DE2356809B2 (de) 1976-02-19

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