GB1261295A - Hydraulic circuits - Google Patents

Hydraulic circuits

Info

Publication number
GB1261295A
GB1261295A GB3472970A GB3472970A GB1261295A GB 1261295 A GB1261295 A GB 1261295A GB 3472970 A GB3472970 A GB 3472970A GB 3472970 A GB3472970 A GB 3472970A GB 1261295 A GB1261295 A GB 1261295A
Authority
GB
United Kingdom
Prior art keywords
port
spool
fluid
lift
aperture
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
GB3472970A
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.)
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
Publication of GB1261295A publication Critical patent/GB1261295A/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
    • 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)
GB3472970A 1969-09-08 1970-07-17 Hydraulic circuits Expired GB1261295A (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
GB1261295A true GB1261295A (en) 1972-01-26

Family

ID=25322510

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3472970A Expired GB1261295A (en) 1969-09-08 1970-07-17 Hydraulic circuits

Country Status (6)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2125519A (en) * 1982-08-19 1984-03-07 Cistermiser Ltd Fluid flow control valve
EP1671920A1 (fr) * 2004-12-14 2006-06-21 Jungheinrich Aktiengesellschaft Système hydraulique pour alimenter un consommateur principal et des consommateurs auxiliaires dans un chariot de manutention

Families Citing this family (26)

* 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
EP0072233B1 (fr) * 1981-08-10 1986-04-02 Clark Equipment Company Véhicule et système hydraulique avec pompe unique
US4573319A (en) * 1981-08-10 1986-03-04 Clark Equipment Company Vehicle hydraulic system with single pump
US4485623A (en) * 1981-08-10 1984-12-04 Clark Equipment Company Vehicle hydraulic system with pump speed control
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 (de) * 1991-10-30 1995-03-23 Rexroth Mannesmann Gmbh Ventilanordnung zur lastunabhängigen Steuerung mehrerer hydraulischer Verbraucher
DE29802498U1 (de) * 1998-02-13 1998-04-16 Heilmeier & Weinlein Staplersteuerung
JP5309546B2 (ja) * 2007-04-10 2013-10-09 株式会社豊田自動織機 産業車両の制御装置
DE102009016431A1 (de) * 2009-04-04 2010-10-07 Mahle International Gmbh Hydraulische Hebeeinrichtung sowie Gabelstapler
DE102009028816A1 (de) * 2009-08-21 2011-02-24 Deere & Company, Moline Hydraulische Anordnung
CN103029578A (zh) * 2012-12-20 2013-04-10 龙工(上海)机械制造有限公司 一种多功能装载机的传动和转向***
CN106050779B (zh) * 2016-07-18 2018-01-23 江苏恒立液压科技有限公司 叉车多路阀
CN108557714B (zh) * 2018-07-11 2019-12-20 宁波管通机械有限公司 一种防爆型叉车液压管路三通接头

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2125519A (en) * 1982-08-19 1984-03-07 Cistermiser Ltd Fluid flow control valve
EP1671920A1 (fr) * 2004-12-14 2006-06-21 Jungheinrich Aktiengesellschaft Système hydraulique pour alimenter un consommateur principal et des consommateurs auxiliaires dans un chariot de manutention

Also Published As

Publication number Publication date
BE755815A (fr) 1971-02-15
ZA705063B (en) 1971-04-28
DE2038060A1 (de) 1971-03-11
US3568868A (en) 1971-03-09
FR2061050A5 (fr) 1971-06-18

Similar Documents

Publication Publication Date Title
GB1261295A (en) Hydraulic circuits
GB1040379A (en) Fluid motor control system
GB1206060A (en) Servo-valve with ceramic force motor
GB1160619A (en) Adjustable, Metered, Directional Flow Control Arrangement
GB1488530A (en) Hydraulic control apparatus
US3263574A (en) Speed and directional control valve for double acting lift cylinder
GB917588A (en) Pressure-flow servo valve
GB1051690A (fr)
GB1469621A (en) Flow divider valve assembly
GB1403483A (en) Unloading and flow dividing valve
GB1177900A (en) Improved Hydraulic Control System for Lift Ram
GB1031258A (en) Hydraulic system
GB1476985A (en) Hydraulic system including a priority control valve
GB1154204A (en) Automatic Flow Diverter Valve
GB1414639A (en) Fluid control circuit
US2954052A (en) Pressure fluid control system and valve
GB1176508A (en) Pressure Compensated Diverter Valve
GB1258346A (fr)
US2974491A (en) Servo system
US2850879A (en) Multiple accessory control valve
GB1158618A (en) Valve Arrangement for Controlling Hydraulic Motors
GB1393289A (en) System for supplying a pumped liquid at graduated flow rates
GB1197167A (en) Lift Trucks
GB1376063A (en) Control valve means for fluid motors
GB1234924A (en) A control system for a hydraulic control device