FR2441750A1 - Appareil de commande hydraulique notamment pour tracteur de machine agricole - Google Patents

Appareil de commande hydraulique notamment pour tracteur de machine agricole

Info

Publication number
FR2441750A1
FR2441750A1 FR7928362A FR7928362A FR2441750A1 FR 2441750 A1 FR2441750 A1 FR 2441750A1 FR 7928362 A FR7928362 A FR 7928362A FR 7928362 A FR7928362 A FR 7928362A FR 2441750 A1 FR2441750 A1 FR 2441750A1
Authority
FR
France
Prior art keywords
fluid under
hydraulic control
under pressure
agricultural machine
control apparatus
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.)
Granted
Application number
FR7928362A
Other languages
English (en)
French (fr)
Other versions
FR2441750B1 (enrdf_load_html_response
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 FR2441750A1 publication Critical patent/FR2441750A1/fr
Application granted granted Critical
Publication of FR2441750B1 publication Critical patent/FR2441750B1/fr
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)
FR7928362A 1978-11-16 1979-11-16 Appareil de commande hydraulique notamment pour tracteur de machine agricole Granted FR2441750A1 (fr)

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
FR2441750A1 true FR2441750A1 (fr) 1980-06-13
FR2441750B1 FR2441750B1 (enrdf_load_html_response) 1984-03-23

Family

ID=6054822

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7928362A Granted FR2441750A1 (fr) 1978-11-16 1979-11-16 Appareil de commande hydraulique notamment pour tracteur de machine agricole

Country Status (3)

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

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

Citations (4)

* 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
GB759820A (en) * 1954-09-03 1956-10-24 Sven Bernhard Rennerfelt Continuously variable speed gears
GB996933A (en) * 1962-11-15 1965-06-30 Werner Reimers Improvements in and relating to infinitely variable conical disk transmissions
GB1469776A (en) * 1974-03-05 1977-04-06 Cam Gears Ltd Speed control devices

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2679263A (en) * 1950-02-28 1954-05-25 Case Co J I Hydraulic control valve
CH426341A (de) * 1960-12-27 1966-12-15 Hans Dipl Ing Molly Hydraulische Hebevorrichtung, insbesondere zum Regeln der Pflugtiefe
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

Patent Citations (4)

* 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
GB759820A (en) * 1954-09-03 1956-10-24 Sven Bernhard Rennerfelt Continuously variable speed gears
GB996933A (en) * 1962-11-15 1965-06-30 Werner Reimers Improvements in and relating to infinitely variable conical disk transmissions
GB1469776A (en) * 1974-03-05 1977-04-06 Cam Gears Ltd Speed control devices

Also Published As

Publication number Publication date
GB2034166B (en) 1982-10-20
DE2849704A1 (de) 1980-05-29
FR2441750B1 (enrdf_load_html_response) 1984-03-23
GB2034166A (en) 1980-06-04
DE2849704C2 (enrdf_load_html_response) 1989-11-16

Similar Documents

Publication Publication Date Title
DE185478T1 (de) Erdbewegungsmaschine mit gegengewicht.
US2561032A (en) Hydraulic reversible disk plow
FR2441750A1 (fr) Appareil de commande hydraulique notamment pour tracteur de machine agricole
FR2366119A1 (fr) Dispositif de fermeture du moule d'une machine a mouler par injection
DE130258T1 (de) Rollballenpresse.
DE593355T1 (de) Baggergerät zum Graben von Tiefgräben mit Frästrommeln.
FR2367972A1 (fr) Distributeur hydraulique a commande electromagnetique
US3986288A (en) Automatic fishing machine
DE80705C (enrdf_load_html_response)
US2732803A (en) Meeker
US2765720A (en) Hoeing attachment for tractors
US3080003A (en) Control for hydraulic system
GB1186999A (en) Tractor-Implement Draft Control Device.
US3176777A (en) Elevational control mechanism for an implement carrier
SU490424A1 (ru) Устройство дл предохранени лемехов корнеклубнеуборочных машин от поломок
DE523215C (de) Furchenziehmaschine
DE839567C (de) Vorrichtung zum selbsttaetigen Ausheben eines an einen Schlepper angebauten Tragpfluges
JPS5912406Y2 (ja) トラクタの油圧シリンダ構造
DE691554C (de) Steuervorrichtung fuer eine Druckfluessigkeitsbremse
SU1605944A1 (ru) Устройство дл обработки почвы в садах
DE347459C (enrdf_load_html_response)
DE685299C (de) Einrichtung zum Versenken des Stoffschiebers
DE427644C (de) Abortspuelventil
SU139486A1 (ru) Культиватор дл виноградников
JPS586245Y2 (ja) ノウヨウトラクタ−トウニオケル ユアツソウチ

Legal Events

Date Code Title Description
ST Notification of lapse