FR2699787B1 - Système de commande hydraulique pour un tracteur. - Google Patents

Système de commande hydraulique pour un tracteur.

Info

Publication number
FR2699787B1
FR2699787B1 FR9313175A FR9313175A FR2699787B1 FR 2699787 B1 FR2699787 B1 FR 2699787B1 FR 9313175 A FR9313175 A FR 9313175A FR 9313175 A FR9313175 A FR 9313175A FR 2699787 B1 FR2699787 B1 FR 2699787B1
Authority
FR
France
Prior art keywords
tractor
control system
hydraulic control
hydraulic
control
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 - Fee Related
Application number
FR9313175A
Other languages
English (en)
Other versions
FR2699787A1 (fr
Inventor
Takeshi Imamura
Satoshi Iida
Seiichi Takahashi
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.)
Kubota Corp
Original Assignee
Kubota 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
Priority claimed from JP34707592A external-priority patent/JPH06189606A/ja
Priority claimed from JP34707692A external-priority patent/JP2686213B2/ja
Priority claimed from JP34707792A external-priority patent/JPH06189608A/ja
Application filed by Kubota Corp filed Critical Kubota Corp
Publication of FR2699787A1 publication Critical patent/FR2699787A1/fr
Application granted granted Critical
Publication of FR2699787B1 publication Critical patent/FR2699787B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • A01B63/111—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
    • A01B63/112—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 to control draught load, i.e. tractive force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2401/00—Indexing codes relating to the type of sensors based on the principle of their operation
    • B60G2401/12—Strain gauge

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
FR9313175A 1992-12-25 1993-11-05 Système de commande hydraulique pour un tracteur. Expired - Fee Related FR2699787B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP34707592A JPH06189606A (ja) 1992-12-25 1992-12-25 トラクタの油圧制御装置
JP34707692A JP2686213B2 (ja) 1992-12-25 1992-12-25 トラクタの油圧制御装置
JP34707792A JPH06189608A (ja) 1992-12-25 1992-12-25 トラクタの油圧制御装置

Publications (2)

Publication Number Publication Date
FR2699787A1 FR2699787A1 (fr) 1994-07-01
FR2699787B1 true FR2699787B1 (fr) 1995-03-24

Family

ID=27341234

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9313175A Expired - Fee Related FR2699787B1 (fr) 1992-12-25 1993-11-05 Système de commande hydraulique pour un tracteur.

Country Status (4)

Country Link
US (1) US5452766A (fr)
KR (1) KR940013320A (fr)
AU (1) AU647996B1 (fr)
FR (1) FR2699787B1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5682954A (en) * 1996-09-10 1997-11-04 Case Corporation Upper hitch link electronic draft sensing
US6196328B1 (en) 2000-06-07 2001-03-06 Caterpillar Inc. Position sensor drive arrangement
DE102006007385A1 (de) * 2006-02-17 2007-08-30 Robert Bosch Gmbh Kraftsensor und Herstellungsverfahren für einen Kraftsensor
US9169615B2 (en) 2013-01-14 2015-10-27 Caterpillar Global Mining Llc Control systems for a mining vehicle
US9347844B2 (en) * 2013-12-19 2016-05-24 Deere & Company Three point hitch draft sensing system
US10927885B1 (en) * 2018-04-12 2021-02-23 Exact Corp. Steerable axle
US11122724B1 (en) 2020-03-09 2021-09-21 Joshua Zulu Ground engaging tiller with involute profile

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3915325A (en) * 1972-11-09 1975-10-28 Int Harvester Co Electronic control device
US3869001A (en) * 1974-04-18 1975-03-04 Massey Ferguson Inc Fulcrum bushing on the resilient bar draft sensing
SE417644B (sv) * 1978-08-29 1981-03-30 Kurt Eilert Johansson For indikering av en last eller en belastning tjenande givaranordning, vilken innefattar en i begge endar fixerbar axel
AU7386381A (en) * 1980-08-08 1982-02-11 Kym Wentford Eldredge Horse power meter
IT1143386B (it) * 1981-02-12 1986-10-22 Fiat Trattori Spa Dispositivo misuratore di sforzo per il controllo dell assetto di un attrezzo atto ad essere trainato da una macchina agricola
JPS593691A (ja) * 1982-06-30 1984-01-10 Tokyo Electric Co Ltd Ｏｃｒハンドリ−ダ
JPS595283A (ja) * 1982-07-01 1984-01-12 セイコーインスツルメンツ株式会社 液晶駆動回路
IT1157479B (it) * 1982-12-09 1987-02-11 Fiat Trattori Spa Dispositivo per il controllo dello assetto di un attrezzo atto ad essere trainato da una macchina agricola
ATE24820T1 (de) * 1983-10-25 1987-01-15 Deere & Co Widerstandsregelung fuer eine geraetekupplung.
JPS6098905A (ja) * 1983-11-01 1985-06-01 株式会社クボタ トラクタの油圧制御装置
JPS6133522A (ja) * 1984-07-26 1986-02-17 Ricoh Co Ltd 電子機器の表示部
DE3433739A1 (de) * 1984-09-14 1986-03-20 Robert Bosch Gmbh, 7000 Stuttgart Kraftmesser zur messung von torsionsspannungen in einem etwa bolzenartigen bauelement
US4640368A (en) * 1986-02-27 1987-02-03 Deere & Company Draft sensor including strain sensor coupled to load strap
DE3700835A1 (de) * 1987-01-14 1988-07-28 Bosch Gmbh Robert Kraftmesser zur messung von mechanischen spannungen in einem etwa bolzenartigen bauelement
US4858475A (en) * 1987-05-26 1989-08-22 Revere Corporation Of America Apparatus and method for measuring strain
US5149121A (en) * 1987-08-05 1992-09-22 Pfister Gbmh Force measuring device
DE3842037A1 (de) * 1988-12-14 1990-06-28 Wabco Westinghouse Fahrzeug Einrichtung zur erfassung einer axialkraft einer deichselkupplung
JPH0365121A (ja) * 1989-08-01 1991-03-20 Shiyarufueefu Shokai:Kk ベールラッパー
DE3935479A1 (de) * 1989-10-25 1991-05-02 Pfister Gmbh Anhaengerkupplung
IT1235963B (it) * 1989-12-13 1992-12-09 Fiatgeotech Dispositivo per il controllo dell'assetto di un attrezzo trainato da un macchina agricola

Also Published As

Publication number Publication date
FR2699787A1 (fr) 1994-07-01
AU647996B1 (en) 1994-03-31
US5452766A (en) 1995-09-26
KR940013320A (ko) 1994-07-15

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Legal Events

Date Code Title Description
ST Notification of lapse