BR8702016A - Sistema e metodo de controle de valvula de controle de fluxo de fluido e sistema de controle de engate de trator - Google Patents

Sistema e metodo de controle de valvula de controle de fluxo de fluido e sistema de controle de engate de trator

Info

Publication number
BR8702016A
BR8702016A BR8702016A BR8702016A BR8702016A BR 8702016 A BR8702016 A BR 8702016A BR 8702016 A BR8702016 A BR 8702016A BR 8702016 A BR8702016 A BR 8702016A BR 8702016 A BR8702016 A BR 8702016A
Authority
BR
Brazil
Prior art keywords
control system
fluid flow
tractor hitch
control valve
flow control
Prior art date
Application number
BR8702016A
Other languages
English (en)
Inventor
Regis Bellanger
William James Graaskamp
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 BR8702016A publication Critical patent/BR8702016A/pt

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
    • 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
    • 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
    • A01B63/114—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 achieve a constant working depth

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Feedback Control In General (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Servomotors (AREA)
  • Control Of Position Or Direction (AREA)
  • Fluid-Pressure Circuits (AREA)
BR8702016A 1986-04-03 1987-04-03 Sistema e metodo de controle de valvula de controle de fluxo de fluido e sistema de controle de engate de trator BR8702016A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868608194A GB8608194D0 (en) 1986-04-03 1986-04-03 Valve control system

Publications (1)

Publication Number Publication Date
BR8702016A true BR8702016A (pt) 1988-02-02

Family

ID=10595641

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8702016A BR8702016A (pt) 1986-04-03 1987-04-03 Sistema e metodo de controle de valvula de controle de fluxo de fluido e sistema de controle de engate de trator

Country Status (7)

Country Link
US (1) US4907493A (pt)
EP (2) EP0241161B1 (pt)
JP (1) JPS6323004A (pt)
BR (1) BR8702016A (pt)
CA (1) CA1267585A (pt)
DE (2) DE3788232T2 (pt)
GB (2) GB8608194D0 (pt)

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DE4012577C1 (pt) * 1990-04-20 1991-04-18 Robert Bosch Gmbh, 7000 Stuttgart, De
US5320186A (en) * 1991-06-03 1994-06-14 Ford New Holland, Inc. Draft control system with closed loop drop/raise rate control
DE69204749T2 (de) * 1991-06-03 1996-04-04 Ford New Holland Ltd Regelsystem für Anhängerkupplung mit Entkupplungssicherheitsvorrichtung.
US5424941A (en) * 1991-08-02 1995-06-13 Mosier Industries, Inc. Apparatus and method for positioning a pneumatic actuator
US5184578A (en) * 1992-03-05 1993-02-09 Borg-Warner Automotive Transmission & Engine Components Corporation VCT system having robust closed loop control employing dual loop approach having hydraulic pilot stage with a PWM solenoid
US5285715A (en) * 1992-08-06 1994-02-15 Hr Textron, Inc. Electrohydraulic servovalve with flow gain compensation
US6195604B1 (en) * 1996-09-09 2001-02-27 Agco Limited Tractor with monitoring system
GB9707201D0 (en) * 1997-04-09 1997-05-28 Agco Ltd Tractor electronic linkage control system
JP4140742B2 (ja) * 1997-08-07 2008-08-27 東京エレクトロン株式会社 圧力及び流量の制御方法並びにその装置
US5838124A (en) * 1997-08-28 1998-11-17 Barber Colman Systems and methods for braking of actuator and brushless DC motor therein
US5872434A (en) * 1997-08-28 1999-02-16 Barber Colman Company Systems and methods for actuator power failure response
US5847530A (en) * 1997-08-28 1998-12-08 Barber Colman Systems and methods for torque control of actuator and brushless DC motor therein
US6823249B2 (en) 1999-03-19 2004-11-23 Agco Limited Tractor with monitoring system
US6134494A (en) * 1999-04-20 2000-10-17 Case Corporation Automatic power takeoff control system
US6357334B1 (en) * 1999-08-31 2002-03-19 Tymac Controls Corporation Method and apparatus for the control of a die casting or similar machine
WO2001031205A1 (en) 1999-10-27 2001-05-03 Tol-O-Matic, Inc. Precision servo control system for a pneumatic actuator
GB0017417D0 (en) * 2000-07-14 2000-08-30 Marks Barfield Architects Housing structure
DK2339016T3 (da) 2002-03-29 2017-01-23 Danisco Us Inc Øget produktion af subtilisiner
US6842691B2 (en) * 2002-04-15 2005-01-11 Ford Global Technologies, Llc Cam synchronization algorithm for engine with variable cam timing
US6874708B2 (en) * 2003-02-13 2005-04-05 Illinois Tool Works Inc. Automatic air-assisted manifold mounted gun
EP2460823B1 (en) 2007-05-10 2014-02-26 Danisco US Inc. A modified secretion system to increase expression of polypeptides in bacteria
DE102007039105B4 (de) 2007-08-18 2009-07-02 Sauer-Danfoss Aps Hubwerk und Verfahren zum Steuern eines Hubwerkes
DK2235176T3 (en) 2007-12-21 2017-09-25 Danisco Us Inc IMPROVED PROTEIN MANUFACTURING IN BACILLUS
KR101639453B1 (ko) * 2008-04-11 2016-07-22 이턴 코포레이션 다수의 가변식 부하들을 구동하기 위하여 고정식 용적 펌프를 포함하는 유압 시스템 및 동작 방법
AR076941A1 (es) 2009-06-11 2011-07-20 Danisco Us Inc Cepa de bacillus para una mayor produccion de proteina
US8573319B1 (en) * 2012-06-20 2013-11-05 Deere & Company Position and pressure depth control system for an agricultural implement
EP3089991B1 (en) 2013-12-31 2019-08-28 Danisco US Inc. Enhanced protein expression
CN107250371B (zh) 2014-12-16 2021-11-30 丹尼斯科美国公司 增强的蛋白质表达
KR20170093247A (ko) 2014-12-19 2017-08-14 다니스코 유에스 인크. 향상된 단백질 발현

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US2829329A (en) * 1954-08-16 1958-04-01 Lawrence M Silva Servo control system
US3458791A (en) * 1966-11-30 1969-07-29 Gen Electric Adjustable speed drive system with friction compensation
US3821625A (en) * 1972-09-18 1974-06-28 Caterpillar Tractor Co Control circuit with deadband compensation for electrically actuated devices
US3874407A (en) * 1974-01-02 1975-04-01 Ray F Griswold Pulse width modulation control for valves
FR2279147A1 (fr) * 1974-05-06 1976-02-13 Cii Commande de positionnement a haute precision
US4007361A (en) * 1975-06-11 1977-02-08 United Technologies Corporation Adaptive control system using position feedback
US4132273A (en) * 1977-06-30 1979-01-02 International Harvester Company Tractor hitch control system having safety features
DD140391B1 (de) * 1978-11-30 1983-07-27 Rolf Rueger Verfahren zur geregelten einstellung physikalischer groessen
DE2927585C2 (de) * 1979-07-07 1983-06-09 Xaver Fendt & Co, 8952 Marktoberdorf Verfahren und Einrichtung zum Regeln der Arbeitstiefe eines von einer landwirtschaftlichen Zugmaschine, wie z.B. einem Schlepper getragenen Pfluges
US4343365A (en) * 1980-07-07 1982-08-10 Ford Motor Company Electrically operated hydraulic power lift system
US4341986A (en) * 1981-01-22 1982-07-27 The United States Of America As Represented By The Secretary Of The Navy Servo control system for the positioning of an apparatus
FR2503030A1 (fr) * 1981-04-01 1982-10-08 Anver Procede et dispositif de regulation electronique de la commande de deplacement d'un organe de machine
DE3207392C2 (de) * 1982-03-02 1985-01-10 Daimler-Benz Ag, 7000 Stuttgart Vorrichtung zur selbstanpassenden Stellungsregelung eines Stellgliedes
EP0151323B2 (en) * 1982-03-22 1995-05-17 Deere & Company Working depth control system for vehicle with ground working inplement
JPS58174701A (ja) * 1982-04-07 1983-10-13 Diesel Kiki Co Ltd 油圧アクチユエ−タ装置
JPS58180805A (ja) * 1982-04-17 1983-10-22 Diesel Kiki Co Ltd 流体圧アクチユエ−タ装置
AU1587183A (en) * 1982-07-02 1984-01-05 Sperry Corp. Hydraulic valve with dual feedback control
US4502109A (en) * 1982-09-14 1985-02-26 Vickers, Incorporated Apparatus for estimating plural system variables based upon a single measured system variable and a mathematical system model
DE3316305C2 (de) * 1983-05-04 1986-09-04 Mannesmann Rexroth GmbH, 8770 Lohr Schaltungsanordnung zum Steuern eines von einem Schlepper gezogenen, mittels eines Hubzylinders der Höhe nach verstellbaren Anbaugeräts
DE3501568A1 (de) * 1984-03-15 1985-09-19 Mannesmann Rexroth GmbH, 8770 Lohr Verfahren zur regelung eines anbaugeraets an landwirtschaftlichen schleppern
US4540923A (en) * 1984-05-14 1985-09-10 General Motors Corporation Adaptive servomotor controller
US4628499A (en) * 1984-06-01 1986-12-09 Scientific-Atlanta, Inc. Linear servoactuator with integrated transformer position sensor
US4612489A (en) * 1984-12-20 1986-09-16 Vickers, Incorporated Power transmission
AU579424B2 (en) * 1984-12-20 1988-11-24 Vickers Incorporated Power transmission

Also Published As

Publication number Publication date
GB8706908D0 (en) 1987-04-29
EP0414279A2 (en) 1991-02-27
EP0241161A1 (en) 1987-10-14
DE3771255D1 (de) 1991-08-14
DE3788232T2 (de) 1994-03-10
EP0414279B1 (en) 1993-11-18
DE3788232D1 (de) 1993-12-23
EP0241161B1 (en) 1991-07-10
JPS6323004A (ja) 1988-01-30
US4907493A (en) 1990-03-13
EP0414279A3 (en) 1991-05-15
GB2188753A (en) 1987-10-07
CA1267585A (en) 1990-04-10
GB8608194D0 (en) 1986-05-08

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 03/04/2002