SE342871B - - Google Patents

Info

Publication number
SE342871B
SE342871B SE15019/68A SE1501968A SE342871B SE 342871 B SE342871 B SE 342871B SE 15019/68 A SE15019/68 A SE 15019/68A SE 1501968 A SE1501968 A SE 1501968A SE 342871 B SE342871 B SE 342871B
Authority
SE
Sweden
Application number
SE15019/68A
Inventor
K Iijima
Original Assignee
Mitsubishi Heavy Ind 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 Ind Ltd filed Critical Mitsubishi Heavy Ind Ltd
Publication of SE342871B publication Critical patent/SE342871B/xx

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
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use 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
    • F15B2211/2053—Type of pump
    • F15B2211/20538—Type of pump constant capacity
    • 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
    • F15B2211/615—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
    • F15B2211/70—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
    • F15B2211/7107—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being mechanically linked
    • 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
    • F15B2211/7135—Combinations 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)
SE15019/68A 1967-11-24 1968-11-06 SE342871B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SE342871B true SE342871B (en) 1972-02-21

Family

ID=13572213

Family Applications (1)

Application Number Title Priority Date Filing Date
SE15019/68A SE342871B (en) 1967-11-24 1968-11-06

Country Status (8)

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

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2138986C3 (en) * 1971-08-04 1978-09-07 G.L. Rexroth Gmbh, 8770 Lohr Control valve device for several hydraulic drives
US3828951A (en) * 1973-02-15 1974-08-13 A Fleming Proportional fluid distribution assembly for back hoe having reciprocating teeth
JPS5226599B2 (en) * 1973-10-31 1977-07-14
DE2364282C3 (en) * 1973-12-22 1983-01-13 O & K Orenstein & Koppel Ag, 1000 Berlin Circuit arrangement for hydraulic motors
DE2539287A1 (en) * 1975-09-04 1977-03-17 Bosch Gmbh Robert CONTROL DEVICE FOR WORK CYLINDERS
GB2129166B (en) * 1979-10-24 1984-10-31 Secr Defence Fluid-powered actuators
SE451399B (en) * 1983-09-22 1987-10-05 Toolex Alpha Ab VALVE DEVICE FOR EXCHANGE SUPPLY OF A HEATING MEDIUM AND A COOLING MEDIUM
IT1234937B (en) * 1985-02-14 1992-06-02 Cinotto Hydraulic ANTI-SATURATION SYSTEM FOR HYDRAULIC CONTROL CIRCUITS WITH PUMPS AND PRESSURE-CONTROLLED DISTRIBUTORS FOR WORKING PARTS OF EARTH-MOVING MACHINES
US5379594A (en) * 1992-04-06 1995-01-10 Crown Equipment Corporation Lift truck with noise attenuated hydraulic circuit
JP3174423B2 (en) * 1993-02-17 2001-06-11 株式会社 神崎高級工機製作所 Hydraulic supply device for work vehicles
KR960011173A (en) * 1994-09-30 1996-04-20 김무 Cavitation prevention device of hydraulic motor
SE525018C2 (en) * 2003-03-21 2004-11-09 Parker Hannifin Ab Device for controlling a hydraulically driven motor
SE525019C2 (en) * 2003-03-21 2004-11-09 Parker Hannifin Ab Device for controlling a hydraulic motor
CN101614228B (en) * 2008-06-27 2012-01-04 扬州威奥重工机械有限公司 Hydraulic controlling system for mining concrete pump
US20120098247A1 (en) * 2010-10-25 2012-04-26 Celsia, Llc Method of Creating and Exhibiting Fluid Dynamics
JP6643913B2 (en) * 2016-02-16 2020-02-12 株式会社クボタ Hydraulic block
JP6286482B2 (en) * 2016-06-29 2018-02-28 Ｋｙｂ株式会社 Fluid pressure control device
CN109114053B (en) * 2018-08-31 2020-06-09 武汉船用机械有限责任公司 Multi-winch hydraulic system

Also Published As

Publication number Publication date
GB1244864A (en) 1971-09-02
US3543646A (en) 1970-12-01
BE724293A (en) 1969-05-02
NL6816838A (en) 1969-05-28
ES360774A1 (en) 1970-10-16
DE1810509A1 (en) 1970-05-21
DE1810509B2 (en) 1972-02-24
FR1597618A (en) 1970-06-29

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