GB2034166B - Hydraulic control device - Google Patents

Hydraulic control device

Info

Publication number
GB2034166B
GB2034166B GB7938338A GB7938338A GB2034166B GB 2034166 B GB2034166 B GB 2034166B GB 7938338 A GB7938338 A GB 7938338A GB 7938338 A GB7938338 A GB 7938338A GB 2034166 B GB2034166 B GB 2034166B
Authority
GB
United Kingdom
Prior art keywords
control device
hydraulic control
hydraulic
control
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
GB7938338A
Other versions
GB2034166A (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.)
Kloeckner Humboldt Deutz AG
Original Assignee
Kloeckner Humboldt Deutz AG
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 Kloeckner Humboldt Deutz AG filed Critical Kloeckner Humboldt Deutz AG
Publication of GB2034166A publication Critical patent/GB2034166A/en
Application granted granted Critical
Publication of GB2034166B publication Critical patent/GB2034166B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F15B13/01—Locking-valves or other detent i.e. load-holding devices
    • F15B13/015—Locking-valves or other detent i.e. load-holding devices using an enclosed pilot flow valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Fluid-Pressure Circuits (AREA)
GB7938338A 1978-11-16 1979-11-06 Hydraulic control device Expired GB2034166B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782849704 DE2849704A1 (en) 1978-11-16 1978-11-16 HYDRAULIC CONTROL UNIT

Publications (2)

Publication Number Publication Date
GB2034166A GB2034166A (en) 1980-06-04
GB2034166B true GB2034166B (en) 1982-10-20

Family

ID=6054822

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7938338A Expired GB2034166B (en) 1978-11-16 1979-11-06 Hydraulic control device

Country Status (3)

Country Link
DE (1) DE2849704A1 (en)
FR (1) FR2441750A1 (en)
GB (1) GB2034166B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114087248A (en) * 2021-11-02 2022-02-25 浙江海宏液压科技股份有限公司 Reversing valve

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135273A1 (en) * 1981-09-05 1983-03-24 Klöckner-Humboldt-Deutz AG, 5000 Köln HYDRAULIC CONTROL UNIT
DE3635625A1 (en) * 1986-10-20 1988-04-28 Rexroth Mannesmann Gmbh CONTROLLER
DE3725906A1 (en) * 1987-08-05 1989-02-16 Hemscheidt Maschf Hermann Control valve with positive overlap
AT407662B (en) * 1999-03-18 2001-05-25 Hoerbiger Hydraulik HYDRAULIC CONTROL UNIT
JP7116584B2 (en) * 2018-05-07 2022-08-10 川崎重工業株式会社 valve device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB443808A (en) * 1935-03-13 1936-03-06 Ejnar Christiansen Improvements in or relating to variable speed friction gears
US2679263A (en) * 1950-02-28 1954-05-25 Case Co J I Hydraulic control valve
GB759820A (en) * 1954-09-03 1956-10-24 Sven Bernhard Rennerfelt Continuously variable speed gears
CH426341A (en) * 1960-12-27 1966-12-15 Hans Dipl Ing Molly Hydraulic lifting device, especially for regulating the plowing depth
DE1184583B (en) * 1962-11-15 1964-12-31 Reimers Getriebe K G Infinitely adjustable conical pulley gear with torque and transmission-dependent pressure of the axially movable conical pulleys
US3216448A (en) * 1963-02-25 1965-11-09 Parker Hannifin Corp Spool valve assembly
US3595271A (en) * 1969-06-30 1971-07-27 Int Harvester Co Directional flow control valve with float and check valve structure
US3662783A (en) * 1970-02-02 1972-05-16 Parker Hannifin Corp Spool valve assembly
GB1469776A (en) * 1974-03-05 1977-04-06 Cam Gears Ltd Speed control devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114087248A (en) * 2021-11-02 2022-02-25 浙江海宏液压科技股份有限公司 Reversing valve
CN114087248B (en) * 2021-11-02 2022-07-26 浙江海宏液压科技股份有限公司 Reversing valve

Also Published As

Publication number Publication date
DE2849704A1 (en) 1980-05-29
FR2441750A1 (en) 1980-06-13
GB2034166A (en) 1980-06-04
DE2849704C2 (en) 1989-11-16
FR2441750B1 (en) 1984-03-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee