DE2849704C2 - - Google Patents

Info

Publication number
DE2849704C2
DE2849704C2 DE19782849704 DE2849704A DE2849704C2 DE 2849704 C2 DE2849704 C2 DE 2849704C2 DE 19782849704 DE19782849704 DE 19782849704 DE 2849704 A DE2849704 A DE 2849704A DE 2849704 C2 DE2849704 C2 DE 2849704C2
Authority
DE
Germany
Prior art keywords
valve
slide
detent
spring
seat
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
DE19782849704
Other languages
German (de)
English (en)
Other versions
DE2849704A1 (de
Inventor
Heribert Dipl.-Landw. 5064 Roesrath De Adams
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
Priority to DE19782849704 priority Critical patent/DE2849704A1/de
Priority to GB7938338A priority patent/GB2034166B/en
Priority to FR7928362A priority patent/FR2441750A1/fr
Publication of DE2849704A1 publication Critical patent/DE2849704A1/de
Application granted granted Critical
Publication of DE2849704C2 publication Critical patent/DE2849704C2/de
Granted 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)
DE19782849704 1978-11-16 1978-11-16 Hydraulisches steuergeraet Granted DE2849704A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19782849704 DE2849704A1 (de) 1978-11-16 1978-11-16 Hydraulisches steuergeraet
GB7938338A GB2034166B (en) 1978-11-16 1979-11-06 Hydraulic control device
FR7928362A FR2441750A1 (fr) 1978-11-16 1979-11-16 Appareil de commande hydraulique notamment pour tracteur de machine agricole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782849704 DE2849704A1 (de) 1978-11-16 1978-11-16 Hydraulisches steuergeraet

Publications (2)

Publication Number Publication Date
DE2849704A1 DE2849704A1 (de) 1980-05-29
DE2849704C2 true DE2849704C2 (US08188275-20120529-C00054.png) 1989-11-16

Family

ID=6054822

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782849704 Granted DE2849704A1 (de) 1978-11-16 1978-11-16 Hydraulisches steuergeraet

Country Status (3)

Country Link
DE (1) DE2849704A1 (US08188275-20120529-C00054.png)
FR (1) FR2441750A1 (US08188275-20120529-C00054.png)
GB (1) GB2034166B (US08188275-20120529-C00054.png)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135273A1 (de) * 1981-09-05 1983-03-24 Klöckner-Humboldt-Deutz AG, 5000 Köln Hydraulisches steuergeraet
DE3635625A1 (de) * 1986-10-20 1988-04-28 Rexroth Mannesmann Gmbh Vorsteuergeraet
DE3725906A1 (de) * 1987-08-05 1989-02-16 Hemscheidt Maschf Hermann Steuerventil mit positiver ueberdeckung
AT407662B (de) * 1999-03-18 2001-05-25 Hoerbiger Hydraulik Hydraulische steuereinheit
JP7116584B2 (ja) * 2018-05-07 2022-08-10 川崎重工業株式会社 弁装置
CN114087248B (zh) * 2021-11-02 2022-07-26 浙江海宏液压科技股份有限公司 一种换向阀

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 (de) * 1960-12-27 1966-12-15 Hans Dipl Ing Molly Hydraulische Hebevorrichtung, insbesondere zum Regeln der Pflugtiefe
DE1184583B (de) * 1962-11-15 1964-12-31 Reimers Getriebe K G Stufenlos verstellbares Kegelscheibengetriebe mit drehmoment- und uebersetzungsabhaengiger Anpressung der axial verschiebbaren Kegelscheiben
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

Also Published As

Publication number Publication date
FR2441750A1 (fr) 1980-06-13
FR2441750B1 (US08188275-20120529-C00054.png) 1984-03-23
DE2849704A1 (de) 1980-05-29
GB2034166A (en) 1980-06-04
GB2034166B (en) 1982-10-20

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Legal Events

Date Code Title Description
8101 Request for examination as to novelty
8105 Search report available
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee