GB1288297A - - Google Patents

Info

Publication number
GB1288297A
GB1288297A GB6244169A GB6244169A GB1288297A GB 1288297 A GB1288297 A GB 1288297A GB 6244169 A GB6244169 A GB 6244169A GB 6244169 A GB6244169 A GB 6244169A GB 1288297 A GB1288297 A GB 1288297A
Authority
GB
United Kingdom
Prior art keywords
valve
chambers
hand
dominion
steer
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
GB6244169A
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 filed Critical
Publication of GB1288297A publication Critical patent/GB1288297A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/80—Component parts
    • E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
    • 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
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)

Abstract

1288297 DOMINION ROAD MACHINERY CO Ltd 22 Dec 1969 [30 Jan 1969] 62441/69 Heading B7H A multiple valve having a one piece body 10 has a series of valve chambers 16 arranged circumferentially of the body around a steering shaft 44 carrying a steering wheel 74 of a motor vehicle, such that the driver may actuate a valve control lever 76 with one hand and steer with the other hand. The control levers 76 are connected to valve spools 12 slidable in the chambers 16, each spool having neck portions 64, 66 separated by a central land 68. The valve may be connected to a lock valve (88) Fig. 5 (not shown), which is connected by lines (96, 98) to a double-acting hydraulic cylinder (100).
GB6244169A 1969-01-30 1969-12-22 Expired GB1288297A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA877735A CA877735A (en) 1969-01-30 1969-01-30 Multiple hydraulic valve unit

Publications (1)

Publication Number Publication Date
GB1288297A true GB1288297A (en) 1972-09-06

Family

ID=4084857

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6244169A Expired GB1288297A (en) 1969-01-30 1969-12-22

Country Status (2)

Country Link
CA (1) CA877735A (en)
GB (1) GB1288297A (en)

Also Published As

Publication number Publication date
CA877735A (en) 1971-08-10

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees