ES360774A1 - Perfeccionamientos en aparatos accionados hidraulicamente. - Google Patents

Perfeccionamientos en aparatos accionados hidraulicamente.

Info

Publication number
ES360774A1
ES360774A1 ES360774A ES360774A ES360774A1 ES 360774 A1 ES360774 A1 ES 360774A1 ES 360774 A ES360774 A ES 360774A ES 360774 A ES360774 A ES 360774A ES 360774 A1 ES360774 A1 ES 360774A1
Authority
ES
Spain
Prior art keywords
valve
line
spool
actuated
actuator
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
ES360774A
Other languages
English (en)
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Publication of ES360774A1 publication Critical patent/ES360774A1/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
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • 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
    • 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
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • 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
    • F15B2211/2053Type of pump
    • F15B2211/20538Type of pump constant capacity
    • 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
    • F15B2211/60Circuit components or control therefor
    • F15B2211/615Filtering 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
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7058Rotary output members
    • 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
    • F15B2211/7107Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being mechanically linked
    • 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
    • F15B2211/7135Combinations of output members of different types, e.g. single-acting cylinders with rotary motors

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)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
ES360774A 1967-11-24 1968-11-20 Perfeccionamientos en aparatos accionados hidraulicamente. Expired ES360774A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7529967 1967-11-24

Publications (1)

Publication Number Publication Date
ES360774A1 true ES360774A1 (es) 1970-10-16

Family

ID=13572213

Family Applications (1)

Application Number Title Priority Date Filing Date
ES360774A Expired ES360774A1 (es) 1967-11-24 1968-11-20 Perfeccionamientos en aparatos accionados hidraulicamente.

Country Status (8)

Country Link
US (1) US3543646A (es)
BE (1) BE724293A (es)
DE (1) DE1810509B2 (es)
ES (1) ES360774A1 (es)
FR (1) FR1597618A (es)
GB (1) GB1244864A (es)
NL (1) NL6816838A (es)
SE (1) SE342871B (es)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2138986C3 (de) * 1971-08-04 1978-09-07 G.L. Rexroth Gmbh, 8770 Lohr Steuerventileinrichtung für mehrere hydraulische Antriebe
US3828951A (en) * 1973-02-15 1974-08-13 A Fleming Proportional fluid distribution assembly for back hoe having reciprocating teeth
JPS5226599B2 (es) * 1973-10-31 1977-07-14
DE2364282C3 (de) * 1973-12-22 1983-01-13 O & K Orenstein & Koppel Ag, 1000 Berlin Schaltungsanordnung für Hydraulikmotoren
DE2539287A1 (de) * 1975-09-04 1977-03-17 Bosch Gmbh Robert Steuereinrichtung fuer arbeitszylinder
GB2129166B (en) * 1979-10-24 1984-10-31 Secr Defence Fluid-powered actuators
SE451399B (sv) * 1983-09-22 1987-10-05 Toolex Alpha Ab Ventilanordning for vexelvis tillforsel av ett upphettningsmedium och ett kylmedium
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
US5379594A (en) * 1992-04-06 1995-01-10 Crown Equipment Corporation Lift truck with noise attenuated hydraulic circuit
JP3174423B2 (ja) * 1993-02-17 2001-06-11 株式会社 神崎高級工機製作所 作業車両用の油圧供給装置
KR960011173A (ko) * 1994-09-30 1996-04-20 김무 유압모터의 캐비테이션 방지장치
SE525018C2 (sv) * 2003-03-21 2004-11-09 Parker Hannifin Ab Anordning för styrning av en hydrauliskt driven motor
SE525019C2 (sv) * 2003-03-21 2004-11-09 Parker Hannifin Ab Anordning för styrning av en hydraulisk motor
CN101614228B (zh) * 2008-06-27 2012-01-04 扬州威奥重工机械有限公司 一种矿用混凝土泵的液压控制系统
US20120098247A1 (en) * 2010-10-25 2012-04-26 Celsia, Llc Method of Creating and Exhibiting Fluid Dynamics
JP6643913B2 (ja) * 2016-02-16 2020-02-12 株式会社クボタ 油圧ブロック
JP6286482B2 (ja) * 2016-06-29 2018-02-28 Kyb株式会社 流体圧制御装置
CN109114053B (zh) * 2018-08-31 2020-06-09 武汉船用机械有限责任公司 一种多绞车液压系统

Also Published As

Publication number Publication date
US3543646A (en) 1970-12-01
NL6816838A (es) 1969-05-28
DE1810509B2 (de) 1972-02-24
DE1810509A1 (de) 1970-05-21
BE724293A (es) 1969-05-02
GB1244864A (en) 1971-09-02
FR1597618A (es) 1970-06-29
SE342871B (es) 1972-02-21

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