FI70108C - Hydrauliskt kontrollsystem foer traktor - Google Patents

Hydrauliskt kontrollsystem foer traktor Download PDF

Info

Publication number
FI70108C
FI70108C FI801400A FI801400A FI70108C FI 70108 C FI70108 C FI 70108C FI 801400 A FI801400 A FI 801400A FI 801400 A FI801400 A FI 801400A FI 70108 C FI70108 C FI 70108C
Authority
FI
Finland
Prior art keywords
valve
actuator
main control
control
hydraulic
Prior art date
Application number
FI801400A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI70108B (fi
FI801400A (fi
Inventor
Robert Ernest Yapp
Derek John Smith
Original Assignee
Massey Ferguson Services Nv
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 Massey Ferguson Services Nv filed Critical Massey Ferguson Services Nv
Publication of FI801400A publication Critical patent/FI801400A/fi
Publication of FI70108B publication Critical patent/FI70108B/fi
Application granted granted Critical
Publication of FI70108C publication Critical patent/FI70108C/fi

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
    • A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
    • A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
    • A01B63/1006—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means the hydraulic or pneumatic means structurally belonging to the tractor
    • A01B63/1013—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means the hydraulic or pneumatic means structurally belonging to the tractor and being located inside the tractor body
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
    • A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
    • A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
    • A01B63/111—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements
    • A01B63/1117—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements using a hitch position sensor

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
FI801400A 1979-05-09 1980-04-30 Hydrauliskt kontrollsystem foer traktor FI70108C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7915993 1979-05-09
GB7915993 1979-05-09

Publications (3)

Publication Number Publication Date
FI801400A FI801400A (fi) 1980-11-10
FI70108B FI70108B (fi) 1986-02-28
FI70108C true FI70108C (fi) 1986-09-15

Family

ID=10505026

Family Applications (1)

Application Number Title Priority Date Filing Date
FI801400A FI70108C (fi) 1979-05-09 1980-04-30 Hydrauliskt kontrollsystem foer traktor

Country Status (14)

Country Link
US (1) US4492080A (no)
EP (1) EP0037397B1 (no)
JP (1) JPS6332405B2 (no)
BR (1) BR8008865A (no)
DE (1) DE3066245D1 (no)
ES (1) ES8200202A1 (no)
FI (1) FI70108C (no)
IN (1) IN154910B (no)
IT (1) IT1131166B (no)
MX (1) MX150373A (no)
NO (1) NO150781C (no)
WO (1) WO1980002355A1 (no)
YU (1) YU121780A (no)
ZA (1) ZA802501B (no)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4949805A (en) * 1988-07-27 1990-08-21 Clark Equipment Company Electrically controlled auxiliary hydraulic system for a skid steer loader
US6293077B1 (en) 2000-05-02 2001-09-25 Mtd Products Inc Deck attachment and lift system
CN104343755B (zh) * 2014-10-28 2016-08-31 广西柳工机械股份有限公司 液控随动阀及负载敏感模拟阀

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB813204A (en) * 1956-10-29 1959-05-13 Ford Motor Co Improved hydraulic system for tractors
US2316926A (en) * 1941-03-11 1943-04-20 Vickers Inc Power transmission
US2600702A (en) * 1945-11-29 1952-06-17 William T Stephens Control valve
GB741804A (en) * 1950-03-15 1955-12-14 Ferguson Harry Inc Improvements relating to hydraulic power lift systems for tractors
US2888805A (en) * 1953-02-18 1959-06-02 Massey Harris Ferguson Ltd Hydraulic systems for tractors
GB747488A (en) * 1953-02-18 1956-04-04 Massey Harris Ferguson Ltd Improvements in or relating to hydraulic control systems especially for tractor-actuated implements
GB839689A (en) * 1955-08-31 1960-06-29 Massey Harris Ferguson Inc Improvements relating to a control mechanism for a tractor hydraulic system
US3048981A (en) * 1959-05-21 1962-08-14 Massey Ferguson Inc Control mechanism for tractor hydraulic systems
US3239012A (en) * 1960-08-26 1966-03-08 Massey Ferguson Inc Hydraulic power unit and control system for tractors
US3171496A (en) * 1961-12-04 1965-03-02 Int Harvester Co Hydraulic control system
GB1046622A (en) * 1962-08-01 1966-10-26 Massey Ferguson Inc Control system for a tractor
GB1101775A (en) * 1962-08-01 1968-01-31 Massey Ferguson Inc Improvements in or relating to tractor hydraulic control systems
GB1075449A (en) * 1963-12-27 1967-07-12 Massey Ferguson Inc Improvements in or relating to tractors
BE662653A (no) * 1964-04-17
DE1805089C3 (de) * 1968-10-25 1979-09-27 Robert Bosch Gmbh, 7000 Stuttgart Steuerventileinrichtung in Blockbauweise zum Versorgen mindestens zweier hydraulischer Servomotoren
GB1239281A (no) * 1968-07-29 1971-07-14
US3579986A (en) * 1968-09-06 1971-05-25 Hitachi Ltd Device for controlling pumps for operating hydraulic motors equipment
US3534774A (en) * 1968-11-14 1970-10-20 Koehring Co Pressure compensated control valve
US4256142A (en) * 1979-08-20 1981-03-17 Hancock Leonard H Hydraulic control

Also Published As

Publication number Publication date
NO810026L (no) 1981-01-06
IT1131166B (it) 1986-06-18
FI70108B (fi) 1986-02-28
US4492080A (en) 1985-01-08
WO1980002355A1 (en) 1980-11-13
ES491267A0 (es) 1981-11-01
IT8021954A0 (it) 1980-05-09
FI801400A (fi) 1980-11-10
BR8008865A (pt) 1981-08-11
EP0037397A1 (en) 1981-10-14
MX150373A (es) 1984-04-25
JPS56500480A (no) 1981-04-16
NO150781C (no) 1984-12-19
JPS6332405B2 (no) 1988-06-29
DE3066245D1 (en) 1984-03-01
ZA802501B (en) 1981-04-29
ES8200202A1 (es) 1981-11-01
EP0037397B1 (en) 1984-01-25
IN154910B (no) 1984-12-22
NO150781B (no) 1984-09-10
YU121780A (en) 1983-04-30

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: MASSEY-FERGUSON SERVICES N.V.