GB1330566A - Hydraulic control device for a drive mechanism - Google Patents

Hydraulic control device for a drive mechanism

Info

Publication number
GB1330566A
GB1330566A GB2454471A GB2454471A GB1330566A GB 1330566 A GB1330566 A GB 1330566A GB 2454471 A GB2454471 A GB 2454471A GB 2454471 A GB2454471 A GB 2454471A GB 1330566 A GB1330566 A GB 1330566A
Authority
GB
United Kingdom
Prior art keywords
bores
valve
ports
stems
motors
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
GB2454471A
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.)
Deere and Co
Original Assignee
Deere and 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 Deere and Co filed Critical Deere and Co
Publication of GB1330566A publication Critical patent/GB1330566A/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
    • E02F3/7636—Graders with the scraper blade mounted under the tractor chassis
    • E02F3/764—Graders with the scraper blade mounted under the tractor chassis with the scraper blade being pivotable about a vertical axis
    • 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

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)
  • Hydraulic Motors (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Fluid-Pressure Circuits (AREA)
GB2454471A 1970-03-18 1971-04-19 Hydraulic control device for a drive mechanism Expired GB1330566A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2072670A 1970-03-18 1970-03-18

Publications (1)

Publication Number Publication Date
GB1330566A true GB1330566A (en) 1973-09-19

Family

ID=21800211

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2454471A Expired GB1330566A (en) 1970-03-18 1971-04-19 Hydraulic control device for a drive mechanism

Country Status (3)

Country Link
DE (1) DE2112571C3 (https=)
FR (1) FR2083372B1 (https=)
GB (1) GB1330566A (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2167979C2 (ru) * 1999-02-19 2001-05-27 ОАО "Брянский Арсенал" Привод поворотного круга автогрейдера
CN114382937B (zh) * 2021-11-29 2024-05-28 武汉船用机械有限责任公司 电液球阀的液压控制装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB819864A (en) * 1955-06-08 1959-09-09 Taylor & Sons Manchester Ltd F Improvements in or relating to slewing motors for jibbed machines and the like
US3143814A (en) * 1962-02-23 1964-08-11 Deere & Co Scrapers

Also Published As

Publication number Publication date
FR2083372A1 (https=) 1971-12-17
FR2083372B1 (https=) 1974-10-11
DE2112571C3 (de) 1980-08-28
DE2112571B2 (de) 1979-12-20
DE2112571A1 (de) 1971-09-30

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Legal Events

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