DE3465969D1 - Hydraulic system with proportional control - Google Patents

Hydraulic system with proportional control

Info

Publication number
DE3465969D1
DE3465969D1 DE8484302591T DE3465969T DE3465969D1 DE 3465969 D1 DE3465969 D1 DE 3465969D1 DE 8484302591 T DE8484302591 T DE 8484302591T DE 3465969 T DE3465969 T DE 3465969T DE 3465969 D1 DE3465969 D1 DE 3465969D1
Authority
DE
Germany
Prior art keywords
hydraulic system
proportional control
proportional
control
hydraulic
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
DE8484302591T
Other languages
German (de)
Inventor
George Joseph Trusock
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.)
Doosan Bobcat North America Inc
Original Assignee
Clark Equipment Co
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 Clark Equipment Co filed Critical Clark Equipment Co
Application granted granted Critical
Publication of DE3465969D1 publication Critical patent/DE3465969D1/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
    • F15B21/087—Control strategy, e.g. with block diagram
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/20—Means for actuating or controlling masts, platforms, or forks
    • B66F9/22—Hydraulic devices or systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Power Steering Mechanism (AREA)
DE8484302591T 1983-04-18 1984-04-17 Hydraulic system with proportional control Expired DE3465969D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US48620183A 1983-04-18 1983-04-18

Publications (1)

Publication Number Publication Date
DE3465969D1 true DE3465969D1 (en) 1987-10-15

Family

ID=23930995

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484302591T Expired DE3465969D1 (en) 1983-04-18 1984-04-17 Hydraulic system with proportional control

Country Status (7)

Country Link
EP (1) EP0122807B1 (en)
JP (1) JPS59217598A (en)
AU (1) AU2673284A (en)
CA (1) CA1221152A (en)
DE (1) DE3465969D1 (en)
ES (1) ES531559A0 (en)
ZA (1) ZA841931B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1007632B (en) * 1985-12-28 1990-04-18 日立建机株式会社 Control system of hydraulic constructional mechanism
JPS63230497A (en) * 1987-03-20 1988-09-26 日産自動車株式会社 Cargo gear for industrial car
JPH0326801U (en) * 1989-07-27 1991-03-19
DE4129858A1 (en) * 1991-09-07 1993-03-11 Kiwa Maschinenfabrik Gmbh METHOD AND CIRCUIT FOR CONTROLLING, IN PARTICULAR A CRANE SYSTEM
US6853271B2 (en) 2001-11-14 2005-02-08 Radio Frequency Systems, Inc. Triple-mode mono-block filter assembly
ITUA20164446A1 (en) * 2016-06-16 2017-12-16 Merlo Project Srl VEHICLE LIFT CONFIGURED FOR THE ATTACHMENT OF HIGH POWER HYDRAULIC EQUIPMENT

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1410193A (en) * 1972-04-14 1975-10-15 Lancer Boss Ltd Hydraulic control circuits
US4144946A (en) * 1977-07-05 1979-03-20 Towmotor Corporation Hydraulic priority circuit
JPS5822299A (en) * 1981-07-29 1983-02-09 日産自動車株式会社 Forklift
EP0072233B1 (en) * 1981-08-10 1986-04-02 Clark Equipment Company Vehicle and hydraulic system with single pump therefor

Also Published As

Publication number Publication date
ES8507234A1 (en) 1985-08-16
EP0122807B1 (en) 1987-09-09
EP0122807A1 (en) 1984-10-24
AU2673284A (en) 1984-10-25
JPS59217598A (en) 1984-12-07
ES531559A0 (en) 1985-08-16
ZA841931B (en) 1984-10-31
CA1221152A (en) 1987-04-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee