DE69910948D1 - Hydraulischer Schaltkreis mit Selbstkalibrierungseinrichtung für Landmaschinen oder Erdbewegungsmaschinen - Google Patents

Hydraulischer Schaltkreis mit Selbstkalibrierungseinrichtung für Landmaschinen oder Erdbewegungsmaschinen

Info

Publication number
DE69910948D1
DE69910948D1 DE69910948T DE69910948T DE69910948D1 DE 69910948 D1 DE69910948 D1 DE 69910948D1 DE 69910948 T DE69910948 T DE 69910948T DE 69910948 T DE69910948 T DE 69910948T DE 69910948 D1 DE69910948 D1 DE 69910948D1
Authority
DE
Germany
Prior art keywords
self
hydraulic circuit
calibration device
agricultural machinery
earth moving
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 - Lifetime
Application number
DE69910948T
Other languages
English (en)
Other versions
DE69910948T2 (de
Inventor
Eugenio Sereni
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.)
CNH Industrial Italia SpA
Original Assignee
CNH Industrial Italia SpA
CNH 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 CNH Industrial Italia SpA, CNH Italia SpA filed Critical CNH Industrial Italia SpA
Publication of DE69910948D1 publication Critical patent/DE69910948D1/de
Application granted granted Critical
Publication of DE69910948T2 publication Critical patent/DE69910948T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Measuring Fluid Pressure (AREA)
  • Harvesting Machines For Root Crops (AREA)
DE69910948T 1998-11-18 1999-11-08 Hydraulischer Schaltkreis mit Selbstkalibrierungseinrichtung für Landmaschinen oder Erdbewegungsmaschinen Expired - Lifetime DE69910948T2 (de)

Applications Claiming Priority (2)

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 .
ITBO980642 1998-11-18

Publications (2)

Publication Number Publication Date
DE69910948D1 true DE69910948D1 (de) 2003-10-09
DE69910948T2 DE69910948T2 (de) 2004-05-19

Family

ID=11343512

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69910948T Expired - Lifetime DE69910948T2 (de) 1998-11-18 1999-11-08 Hydraulischer Schaltkreis mit Selbstkalibrierungseinrichtung für Landmaschinen oder Erdbewegungsmaschinen

Country Status (4)

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

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
US7849953B2 (en) * 2007-11-29 2010-12-14 Caterpillar Paving Products Inc Control system and method for operating a hydrostatically driven vehicle
US8374766B2 (en) * 2007-11-29 2013-02-12 Caterpillar Paving Products Inc. Power management system for compaction vehicles and method
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
EP1002454A1 (de) 2000-05-24
US6347517B1 (en) 2002-02-19
EP1002454B1 (de) 2003-09-03
IT1303971B1 (it) 2001-03-01
ITBO980642A1 (it) 2000-05-18
DE69910948T2 (de) 2004-05-19
ITBO980642A0 (it) 1998-11-18

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