GB1439656A - Agricultural vehicle having an electro-hydraulic power lift - Google Patents

Agricultural vehicle having an electro-hydraulic power lift

Info

Publication number
GB1439656A
GB1439656A GB3110973A GB3110973A GB1439656A GB 1439656 A GB1439656 A GB 1439656A GB 3110973 A GB3110973 A GB 3110973A GB 3110973 A GB3110973 A GB 3110973A GB 1439656 A GB1439656 A GB 1439656A
Authority
GB
United Kingdom
Prior art keywords
electro
relay
links
valve
draft links
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
GB3110973A
Other languages
English (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 GB1439656A publication Critical patent/GB1439656A/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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Vehicle Body Suspensions (AREA)
GB3110973A 1972-07-06 1973-06-29 Agricultural vehicle having an electro-hydraulic power lift Expired GB1439656A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722233174 DE2233174A1 (de) 1972-07-06 1972-07-06 Ackerschlepper bzw. universallandmaschine mit elektrohydraulischem kraftheber

Publications (1)

Publication Number Publication Date
GB1439656A true GB1439656A (en) 1976-06-16

Family

ID=5849869

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3110973A Expired GB1439656A (en) 1972-07-06 1973-06-29 Agricultural vehicle having an electro-hydraulic power lift

Country Status (3)

Country Link
DE (1) DE2233174A1 (enrdf_load_stackoverflow)
FR (1) FR2191831B1 (enrdf_load_stackoverflow)
GB (1) GB1439656A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4231432A (en) * 1978-09-22 1980-11-04 International Harvester Company Position and draft control system for plows
FR2500987A1 (fr) * 1981-03-04 1982-09-10 Massey Ferguson Services Nv Dispositif de commande asservie du systeme d'attelage d'un tracteur, tel qu'un tracteur agricole
US4413685A (en) * 1979-12-11 1983-11-08 Gremelspacher Philip E Planter implement with adjusting position-display apparatus and system thereof
GB2123670A (en) * 1982-07-16 1984-02-08 Kubota Ltd Controlling implements on three-point linkages
GB2187375A (en) * 1986-02-21 1987-09-09 Iseki Agricult Mach Control apparatus for ground treating devices
WO2008065237A1 (en) * 2006-10-16 2008-06-05 Lh Lift Oy Front lifting device for a tractor and method for operating a tractor's front lifting device

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7701445A (nl) * 1977-02-11 1978-08-15 Lely Nv C Van Der Trekker.
FR2539575B2 (fr) * 1979-02-16 1985-08-16 Lemoine Mecano Soudure Attelage " trois points " utilisable aussi bien a l'avant qu'a l'arriere d'un vehicule industriel, agricole, pour travaux publics, ou forestier, par exemple un tracteur
JPS5968012U (ja) * 1983-05-13 1984-05-08 ヤンマー農機株式会社 農作業機の水平制御装置
JPS5968013U (ja) * 1983-05-13 1984-05-08 ヤンマー農機株式会社 ロ−タリ作業機の水平制御装置
FR2568087B1 (fr) * 1984-07-24 1987-03-20 Defrancq Hubert Dispositif de commande de la position d'un systeme de relevage d'outil agricole
AT386721B (de) * 1987-05-25 1988-10-10 Steyr Daimler Puch Ag Hubwerk fuer ackerschlepper
US5957218A (en) * 1997-11-18 1999-09-28 Deere & Company Electrohydraulic control of implement lift cylinders
ATE295069T1 (de) * 1999-01-09 2005-05-15 Walterscheid Gmbh Gkn Hubwerk für die unterlenker einer anbauvorrichtung eines traktors
DE102009016919A1 (de) * 2009-04-08 2010-10-21 Jetter Ag Steuerung einer Hubvorrichtung

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4231432A (en) * 1978-09-22 1980-11-04 International Harvester Company Position and draft control system for plows
US4413685A (en) * 1979-12-11 1983-11-08 Gremelspacher Philip E Planter implement with adjusting position-display apparatus and system thereof
FR2500987A1 (fr) * 1981-03-04 1982-09-10 Massey Ferguson Services Nv Dispositif de commande asservie du systeme d'attelage d'un tracteur, tel qu'un tracteur agricole
GB2123670A (en) * 1982-07-16 1984-02-08 Kubota Ltd Controlling implements on three-point linkages
GB2187375A (en) * 1986-02-21 1987-09-09 Iseki Agricult Mach Control apparatus for ground treating devices
GB2187375B (en) * 1986-02-21 1989-12-13 Iseki Agricult Mach Control apparatus for ground treating devices
WO2008065237A1 (en) * 2006-10-16 2008-06-05 Lh Lift Oy Front lifting device for a tractor and method for operating a tractor's front lifting device

Also Published As

Publication number Publication date
DE2233174A1 (de) 1974-01-24
FR2191831A1 (enrdf_load_stackoverflow) 1974-02-08
FR2191831B1 (enrdf_load_stackoverflow) 1976-04-30

Similar Documents

Publication Publication Date Title
GB1439656A (en) Agricultural vehicle having an electro-hydraulic power lift
GB1515152A (en) Hydraulic control apparatus
DE1538636C3 (de) Einrichtung zur digitalen Lagerege lung
DE1801137A1 (de) Hydraulikanlage mit einer verstellbaren Pumpe
DE2102197A1 (de) Drucksteuereinrichtung
US2735405A (en) hipple
US3968730A (en) Method of and apparatus for synchronizing a plurality of fluid-operated rams
GB1450874A (en) Hydraulic system
US3731746A (en) Weight transfer hitch
US3454101A (en) Electronic circuit for automatic blade control for motor graders
US3372311A (en) Balancing circuit for electrically controlled hydraulic servo systems
SE7702722L (sv) Hydrauliskt styrsystem med variabel aterkoppling
US3710687A (en) Control for fluid ram
DE59600166D1 (de) Hydraulische Lenkeinrichtung mit Stromverstärkung
GB1105290A (en) Control system for the electrode feed movement of electric arc furnaces
US2427661A (en) Control of electrolytic processes
DE1951440B2 (de) Dreipunktregler mit zwei im Gegentakt zueinander geschalteten, durch Verstärker gebildeten Nullschwellenschalter
DE904459C (de) Anordnung zum gleichmaessigen Heben schwerer Lasten mittels mehrerer hydraulischer Hebeboecke
DE2419233A1 (de) Schaltungsanordnung zur bipolaren nullpunktjustage von messverstaerkern, deren eingangs- und ausgangssignal ein gleichstrom ist
DE2520933A1 (de) Elektro-mechanische stellungsregeleinrichtung
JPH04252003A (ja) 電磁式駆動装置の制御装置
DE2216748C3 (de) Hydraulisch betätigte Hubeinrichtung an Arbeitsfahrzeugen
DE2143501C3 (de) Pilotregler für Trägerfrequenzsysteme
US3886423A (en) Servo apparatus
GB1394415A (en) High and low pressure cutoff control valve

Legal Events

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