ZA705063B - Hydraulic system for a lift truck - Google Patents

Hydraulic system for a lift truck

Info

Publication number
ZA705063B
ZA705063B ZA705063A ZA705063A ZA705063B ZA 705063 B ZA705063 B ZA 705063B ZA 705063 A ZA705063 A ZA 705063A ZA 705063 A ZA705063 A ZA 705063A ZA 705063 B ZA705063 B ZA 705063B
Authority
ZA
South Africa
Prior art keywords
hydraulic system
lift truck
truck
lift
hydraulic
Prior art date
Application number
ZA705063A
Inventor
W Chichester
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
Publication of ZA705063B publication Critical patent/ZA705063B/en

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
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/022—Flow-dividers; Priority valves
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2514—Self-proportioning flow systems
    • Y10T137/2521—Flow comparison or differential response
    • Y10T137/2524—Flow dividers [e.g., reversely acting controls]

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Geology (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Fluid-Pressure Circuits (AREA)
ZA705063A 1969-09-08 1970-07-23 Hydraulic system for a lift truck ZA705063B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85595069A 1969-09-08 1969-09-08

Publications (1)

Publication Number Publication Date
ZA705063B true ZA705063B (en) 1971-04-28

Family

ID=25322510

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA705063A ZA705063B (en) 1969-09-08 1970-07-23 Hydraulic system for a lift truck

Country Status (6)

Country Link
US (1) US3568868A (en)
BE (1) BE755815A (en)
DE (1) DE2038060A1 (en)
FR (1) FR2061050A5 (en)
GB (1) GB1261295A (en)
ZA (1) ZA705063B (en)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814531A (en) * 1971-12-13 1974-06-04 Koehring Co Articulated roller assembly
USRE30291E (en) * 1972-12-15 1980-06-03 Trw Inc. Power steering system with auxiliary power capability
US3811363A (en) * 1973-05-10 1974-05-21 Caterpillar Tractor Co Priority system for series-type hydraulic circuits
US4005636A (en) * 1975-02-13 1977-02-01 J. I. Case Company Hydraulic system for a working machine
US3996838A (en) * 1975-06-04 1976-12-14 Trw Inc. Diverter valve for power steering with power beyond
US4139988A (en) * 1975-12-27 1979-02-20 Aisin Seiki Kabushiki Kaisha Vehicle hydraulic power operating system
US4010610A (en) * 1976-04-09 1977-03-08 J. I. Case Company Hydraulic load-sensing system
ZA763344B (en) * 1976-06-04 1978-01-25 Steel Eng Co Ltd Hydraulic rotary-percussive machines
US4230022A (en) * 1976-10-04 1980-10-28 Caterpillar Tractor Co. Hydraulic rock breaker circuit for an excavator
US4075840A (en) * 1976-10-06 1978-02-28 Clark Equipment Company Brake and steering system
US4144946A (en) * 1977-07-05 1979-03-20 Towmotor Corporation Hydraulic priority circuit
US4223646A (en) * 1978-02-16 1980-09-23 Trw Inc. Hydraulic fan drive system
US4308787A (en) * 1980-02-11 1982-01-05 J. I. Case Company Priority flow divider
US4485623A (en) * 1981-08-10 1984-12-04 Clark Equipment Company Vehicle hydraulic system with pump speed control
EP0072233B1 (en) * 1981-08-10 1986-04-02 Clark Equipment Company Vehicle and hydraulic system with single pump therefor
US4573319A (en) * 1981-08-10 1986-03-04 Clark Equipment Company Vehicle hydraulic system with single pump
GB2125519B (en) * 1982-08-19 1986-01-08 Cistermiser Ltd Fluid flow control valve
AU584794B2 (en) * 1986-04-24 1989-06-01 Steel Engineering Company Limited; The Hydraulically powered rotary percussive machines
US5201629A (en) * 1991-04-09 1993-04-13 Clark Material Handling Company Container transporter
DE4137963C2 (en) * 1991-10-30 1995-03-23 Rexroth Mannesmann Gmbh Valve arrangement for load-independent control of several hydraulic consumers
DE29802498U1 (en) * 1998-02-13 1998-04-16 Heilmeier & Weinlein Forklift control
DE102004060012A1 (en) * 2004-12-14 2006-06-22 Jungheinrich Ag Hydraulic system for supplying a main consumer and at least one secondary consumer in a truck
JP5309546B2 (en) * 2007-04-10 2013-10-09 株式会社豊田自動織機 Industrial vehicle control device
DE102009016431A1 (en) * 2009-04-04 2010-10-07 Mahle International Gmbh Hydraulic lifting device and forklift
DE102009028816A1 (en) * 2009-08-21 2011-02-24 Deere & Company, Moline Hydraulic arrangement
CN103029578A (en) * 2012-12-20 2013-04-10 龙工(上海)机械制造有限公司 Transmission and steering system of multi-functional loader
CN106050779B (en) * 2016-07-18 2018-01-23 江苏恒立液压科技有限公司 forklift multi-way valve
CN108557714B (en) * 2018-07-11 2019-12-20 宁波管通机械有限公司 Explosion-proof type fork truck hydraulic line tee bend connects

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2737196A (en) * 1952-06-04 1956-03-06 Eaton Mfg Co Flow divider valve
USRE24892E (en) * 1956-11-23 1960-10-25 Flow divider valve with relief valve and variable orifice

Also Published As

Publication number Publication date
GB1261295A (en) 1972-01-26
BE755815A (en) 1971-02-15
DE2038060A1 (en) 1971-03-11
FR2061050A5 (en) 1971-06-18
US3568868A (en) 1971-03-09

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