GB2118250B - Fluid flow control system for an extensible jack - Google Patents

Fluid flow control system for an extensible jack

Info

Publication number
GB2118250B
GB2118250B GB08232352A GB8232352A GB2118250B GB 2118250 B GB2118250 B GB 2118250B GB 08232352 A GB08232352 A GB 08232352A GB 8232352 A GB8232352 A GB 8232352A GB 2118250 B GB2118250 B GB 2118250B
Authority
GB
United Kingdom
Prior art keywords
control system
fluid flow
flow control
extensible jack
extensible
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
GB08232352A
Other versions
GB2118250A (en
Inventor
Jesse L Field
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.)
Caterpillar Industrial Inc
Original Assignee
Towmotor Corp
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 Towmotor Corp filed Critical Towmotor Corp
Publication of GB2118250A publication Critical patent/GB2118250A/en
Application granted granted Critical
Publication of GB2118250B publication Critical patent/GB2118250B/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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/16—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type
    • 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
    • B66F9/08—Masts; Guides; Chains
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members
    • F15B11/205—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members the position of the actuator controlling the fluid flow to the subsequent actuator

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Forklifts And Lifting Vehicles (AREA)
GB08232352A 1981-07-30 1981-07-30 Fluid flow control system for an extensible jack Expired GB2118250B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1981/001022 WO1983000542A1 (en) 1981-07-30 1981-07-30 Fluid flow control system for an extensible jack

Publications (2)

Publication Number Publication Date
GB2118250A GB2118250A (en) 1983-10-26
GB2118250B true GB2118250B (en) 1984-08-22

Family

ID=22161341

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08232352A Expired GB2118250B (en) 1981-07-30 1981-07-30 Fluid flow control system for an extensible jack

Country Status (2)

Country Link
GB (1) GB2118250B (en)
WO (1) WO1983000542A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103671347A (en) * 2013-12-12 2014-03-26 北京二七轨道交通装备有限责任公司 Hydraulic oil cylinder
US9850923B2 (en) 2015-01-20 2017-12-26 Brookefield Hunter, Inc. Fluid flow regulator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3188917A (en) * 1962-08-10 1965-06-15 Yale & Towne Inc Telescoping lift ram
US3653208A (en) * 1970-06-26 1972-04-04 Philip A Kubik Fluid system
CA1081421A (en) * 1975-01-31 1980-07-15 Toyoaki Ueno Method of injecting a molten material under pressure and an apparatus performing the same
US4008648A (en) * 1975-11-11 1977-02-22 Cascade Corporation Telescopic ram
US4112823A (en) * 1975-12-17 1978-09-12 Carrier Corporation Methods and apparatus for controlling an hydraulic cylinder
JPS5819383B2 (en) * 1977-02-15 1983-04-18 東芝機械株式会社 injection molding equipment
US4191092A (en) * 1977-11-16 1980-03-04 Cascade Corporation Telescopic ram

Also Published As

Publication number Publication date
GB2118250A (en) 1983-10-26
WO1983000542A1 (en) 1983-02-17

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Legal Events

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