IT1303971B1 - Circuito idraulico per macchine agricole o movimento terra condispositivo di autocalibrazione e relativo metodo di funzionamento . - Google Patents

Circuito idraulico per macchine agricole o movimento terra condispositivo di autocalibrazione e relativo metodo di funzionamento .

Info

Publication number
IT1303971B1
IT1303971B1 IT1998BO000642A ITBO980642A IT1303971B1 IT 1303971 B1 IT1303971 B1 IT 1303971B1 IT 1998BO000642 A IT1998BO000642 A IT 1998BO000642A IT BO980642 A ITBO980642 A IT BO980642A IT 1303971 B1 IT1303971 B1 IT 1303971B1
Authority
IT
Italy
Prior art keywords
calibration
self
hydraulic circuit
operating method
agricultural machines
Prior art date
Application number
IT1998BO000642A
Other languages
English (en)
Inventor
Eugenio Sereni
Original Assignee
New Holland Italia Spa
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 New Holland Italia Spa filed Critical New Holland Italia Spa
Priority to IT1998BO000642A priority Critical patent/IT1303971B1/it
Publication of ITBO980642A0 publication Critical patent/ITBO980642A0/it
Priority to DE69910948T priority patent/DE69910948T2/de
Priority to EP99203717A priority patent/EP1002454B1/en
Priority to US09/439,262 priority patent/US6347517B1/en
Publication of ITBO980642A1 publication Critical patent/ITBO980642A1/it
Application granted granted Critical
Publication of IT1303971B1 publication Critical patent/IT1303971B1/it

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/2025—Particular purposes of control systems not otherwise provided for
    • 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
    • A01B71/00—Construction or arrangement of setting or adjusting mechanisms, of implement or tool drive or of power take-off; Means for protecting parts against dust, or the like; Adapting machine elements to or for agricultural purposes
    • A01B71/02—Setting or adjusting mechanisms
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
    • E02F9/2228—Control of flow rate; Load sensing arrangements using pressure-compensating valves including an electronic controller
IT1998BO000642A 1998-11-18 1998-11-18 Circuito idraulico per macchine agricole o movimento terra condispositivo di autocalibrazione e relativo metodo di funzionamento . IT1303971B1 (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT1998BO000642A IT1303971B1 (it) 1998-11-18 1998-11-18 Circuito idraulico per macchine agricole o movimento terra condispositivo di autocalibrazione e relativo metodo di funzionamento .
DE69910948T DE69910948T2 (de) 1998-11-18 1999-11-08 Hydraulischer Schaltkreis mit Selbstkalibrierungseinrichtung für Landmaschinen oder Erdbewegungsmaschinen
EP99203717A EP1002454B1 (en) 1998-11-18 1999-11-08 Hydraulic circuit with a self-calibrating device for agricultural or earthmoving machinery.
US09/439,262 US6347517B1 (en) 1998-11-18 1999-11-12 Hydraulic circuit with a self-calibrating device for agricultural or earthmoving machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1998BO000642A IT1303971B1 (it) 1998-11-18 1998-11-18 Circuito idraulico per macchine agricole o movimento terra condispositivo di autocalibrazione e relativo metodo di funzionamento .

Publications (3)

Publication Number Publication Date
ITBO980642A0 ITBO980642A0 (it) 1998-11-18
ITBO980642A1 ITBO980642A1 (it) 2000-05-18
IT1303971B1 true IT1303971B1 (it) 2001-03-01

Family

ID=11343512

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1998BO000642A IT1303971B1 (it) 1998-11-18 1998-11-18 Circuito idraulico per macchine agricole o movimento terra condispositivo di autocalibrazione e relativo metodo di funzionamento .

Country Status (4)

Country Link
US (1) US6347517B1 (it)
EP (1) EP1002454B1 (it)
DE (1) DE69910948T2 (it)
IT (1) IT1303971B1 (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7017674B2 (en) * 2003-11-17 2006-03-28 Caterpillar Inc. Method of changing operating characteristics of an implement
DE102004005401B4 (de) * 2004-02-03 2006-04-06 Jungheinrich Aktiengesellschaft Verfahren zum Einstellen des Steuerstroms von stromgesteuerten Hydraulikventilen
US8403098B2 (en) * 2005-02-28 2013-03-26 Caterpillar Inc. Work machine hydraulics control system
US7370635B2 (en) * 2006-01-20 2008-05-13 Caterpillar Inc. System and method for resolving electrical leads
US7392790B2 (en) * 2006-01-20 2008-07-01 Caterpillar Inc. System and method for resolving crossed electrical leads
US7562554B2 (en) * 2006-08-31 2009-07-21 Caterpillar Inc. Method for calibrating independent metering valves
US7798272B2 (en) * 2006-11-30 2010-09-21 Caterpillar Inc Systems and methods for controlling slip of vehicle drive members
US8374766B2 (en) * 2007-11-29 2013-02-12 Caterpillar Paving Products Inc. Power management system for compaction vehicles and method
US7849953B2 (en) * 2007-11-29 2010-12-14 Caterpillar Paving Products Inc Control system and method for operating a hydrostatically driven vehicle
US8166795B2 (en) * 2009-11-30 2012-05-01 Eaton Corporation Out-of-range sensor recalibration
US11180184B2 (en) 2019-01-25 2021-11-23 Cnh Industrial America Llc Automatic steering calibration of an agricultural machine
DE102021003236A1 (de) * 2021-06-23 2022-12-29 Hydac Fluidtechnik Gmbh Verfahren zum Anpassen einer Ansteuerung eines Proportionalventils an seinen funktionsgemäßen Betrieb als Teil eines Fluidsystems

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3644736C2 (de) * 1985-12-30 1996-01-11 Rexroth Mannesmann Gmbh Steueranordnung für mindestens zwei von mindestens einer Pumpe gespeiste hydraulische Verbraucher
US4879662A (en) * 1988-03-11 1989-11-07 Sundstrand Corporation Fluid flow self calibration scheme
US4980825A (en) * 1988-05-11 1990-12-25 Hydro-Craft, Inc. Servo valve analyzing system and method
US5012415A (en) * 1989-01-06 1991-04-30 Deere & Company Control system calibration
US5472056A (en) * 1993-09-08 1995-12-05 Case Corporation Control system for agricultural vehicle and calibration method for such control systems
DE19602893A1 (de) * 1996-01-27 1997-07-31 Bosch Gmbh Robert Vorrichtung zur Regelung der Lage einer Bearbeitungseinheit einer landwirtschaftlichen Maschine
US5762475A (en) * 1996-03-18 1998-06-09 Caterpillar Inc. Automatic solenoid control valve calibration
US5844390A (en) * 1997-01-27 1998-12-01 Cameron; Robert Method and apparatus for regulating a fluid operated machine
US5784945A (en) * 1997-05-14 1998-07-28 Caterpillar Inc. Method and apparatus for determining a valve transform

Also Published As

Publication number Publication date
DE69910948T2 (de) 2004-05-19
DE69910948D1 (de) 2003-10-09
ITBO980642A0 (it) 1998-11-18
US6347517B1 (en) 2002-02-19
ITBO980642A1 (it) 2000-05-18
EP1002454B1 (en) 2003-09-03
EP1002454A1 (en) 2000-05-24

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