SE397390B - Anordning for hydraulisk styrning av centrerad flerleges riktningsventil - Google Patents

Anordning for hydraulisk styrning av centrerad flerleges riktningsventil

Info

Publication number
SE397390B
SE397390B SE7413991A SE7413991A SE397390B SE 397390 B SE397390 B SE 397390B SE 7413991 A SE7413991 A SE 7413991A SE 7413991 A SE7413991 A SE 7413991A SE 397390 B SE397390 B SE 397390B
Authority
SE
Sweden
Prior art keywords
multilege
centrated
hydraulic control
direction valve
valve
Prior art date
Application number
SE7413991A
Other languages
English (en)
Other versions
SE7413991L (sv
Inventor
L Askerlund
Original Assignee
Nordhydraulic Ab
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 Nordhydraulic Ab filed Critical Nordhydraulic Ab
Priority to SE7413991A priority Critical patent/SE397390B/sv
Priority to GB46173/75A priority patent/GB1494400A/en
Publication of SE7413991L publication Critical patent/SE7413991L/sv
Publication of SE397390B publication Critical patent/SE397390B/sv

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
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2267—Valves or distributors
    • 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
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2271—Actuators and supports therefor and protection therefor
    • 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
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/0422—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with manually-operated pilot valves, e.g. joysticks

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)
  • Servomotors (AREA)
SE7413991A 1974-11-07 1974-11-07 Anordning for hydraulisk styrning av centrerad flerleges riktningsventil SE397390B (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE7413991A SE397390B (sv) 1974-11-07 1974-11-07 Anordning for hydraulisk styrning av centrerad flerleges riktningsventil
GB46173/75A GB1494400A (en) 1974-11-07 1975-11-07 Device for hydraulic control of a centered multiposition directional control valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7413991A SE397390B (sv) 1974-11-07 1974-11-07 Anordning for hydraulisk styrning av centrerad flerleges riktningsventil

Publications (2)

Publication Number Publication Date
SE7413991L SE7413991L (sv) 1976-05-10
SE397390B true SE397390B (sv) 1977-10-31

Family

ID=20322639

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7413991A SE397390B (sv) 1974-11-07 1974-11-07 Anordning for hydraulisk styrning av centrerad flerleges riktningsventil

Country Status (2)

Country Link
GB (1) GB1494400A (sv)
SE (1) SE397390B (sv)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2517327A1 (de) * 1975-04-18 1976-10-28 Wabco Westinghouse Gmbh Handbetaetigtes vorsteuerventil fuer eine hydraulische steuereinrichtung
US4282898A (en) 1979-11-29 1981-08-11 Caterpillar Tractor Co. Flow metering valve with operator selectable boosted flow
WO1981003686A1 (en) * 1980-06-16 1981-12-24 Caterpillar Tractor Co Pressure reducing valve with floating stem for make-up vent
US4341243A (en) 1980-06-16 1982-07-27 Caterpillar Tractor Co. Pressure reducing valve with floating stem for make-up vent
US4354527A (en) 1980-10-09 1982-10-19 Caterpillar Tractor Co. Control system for pilot operated valve
US4342335A (en) * 1980-10-23 1982-08-03 Koehring Company Hydraulic valve detent mechanism
IT1144292B (it) * 1981-07-09 1986-10-29 Fiat Allis Macch Movi Dispositivo idraulico a comando manuale per il controllo di un distributore idraulico
US4469007A (en) * 1981-11-20 1984-09-04 Caterpillar Tractor Co. Single lever control with automatic valve latching
WO1983001820A1 (en) * 1981-11-20 1983-05-26 Melocik, Kurt, B. Single lever control with automatic valve latching
FR2540959B1 (fr) * 1983-02-15 1986-05-16 Rexroth Sigma Dispositif distributeur de fluide, notamment pour telecommande
US4794846A (en) * 1985-02-23 1989-01-03 Barmag Ag Proportional action valve with a biased spring unproportionately variable to the load pressure
FR2687205A1 (fr) * 1992-02-10 1993-08-13 Rexroth Sigma Dispositif distributeur de fluide hydraulique pour telecommande hydraulique.
US5638866A (en) * 1996-03-01 1997-06-17 Dana Corporation Detent arrangement for holding hydraulic valve members stroked
FR2793532B1 (fr) * 1999-05-12 2001-08-03 Mannesmann Rexroth Sa Dispositif distributeur de fluide notamment pour telecommande hydraulique
CN110005651B (zh) * 2018-11-07 2024-10-01 柳工常州机械有限公司 一种用于推土机的手先导阀和具有其的推土机
CN113586108B (zh) * 2021-07-19 2024-03-01 北京天玛智控科技股份有限公司 电液控比例换向阀
CN116292989A (zh) * 2023-03-13 2023-06-23 圣邦集团有限公司 一种先导阀及设有该先导阀的手柄操作机构
CN117249130B (zh) * 2023-08-29 2024-11-12 湖南凯恩利液压机械制造有限公司 一种先导阀体总成及液压机械

Also Published As

Publication number Publication date
SE7413991L (sv) 1976-05-10
GB1494400A (en) 1977-12-07

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