DE19730779B4 - Steuersystem und Verfahren zum Vorsehen eines Kipp-Prioritätsschemas - Google Patents

Steuersystem und Verfahren zum Vorsehen eines Kipp-Prioritätsschemas Download PDF

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Publication number
DE19730779B4
DE19730779B4 DE19730779A DE19730779A DE19730779B4 DE 19730779 B4 DE19730779 B4 DE 19730779B4 DE 19730779 A DE19730779 A DE 19730779A DE 19730779 A DE19730779 A DE 19730779A DE 19730779 B4 DE19730779 B4 DE 19730779B4
Authority
DE
Germany
Prior art keywords
control
valve
signal
flow
control signal
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
DE19730779A
Other languages
German (de)
English (en)
Other versions
DE19730779A1 (de
Inventor
Douglas W. Naperville Koehler
John J. Dunlap Krone
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.)
Caterpillar Inc
Original Assignee
Caterpillar Inc
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 Caterpillar Inc filed Critical Caterpillar Inc
Publication of DE19730779A1 publication Critical patent/DE19730779A1/de
Application granted granted Critical
Publication of DE19730779B4 publication Critical patent/DE19730779B4/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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Feedback Control In General (AREA)
DE19730779A 1996-07-19 1997-07-17 Steuersystem und Verfahren zum Vorsehen eines Kipp-Prioritätsschemas Expired - Lifetime DE19730779B4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/684,074 1996-07-19
US08/684,074 US5678470A (en) 1996-07-19 1996-07-19 Tilt priority scheme for a control system

Publications (2)

Publication Number Publication Date
DE19730779A1 DE19730779A1 (de) 1998-01-22
DE19730779B4 true DE19730779B4 (de) 2007-07-12

Family

ID=24746591

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19730779A Expired - Lifetime DE19730779B4 (de) 1996-07-19 1997-07-17 Steuersystem und Verfahren zum Vorsehen eines Kipp-Prioritätsschemas

Country Status (3)

Country Link
US (1) US5678470A (enExample)
JP (1) JP3958408B2 (enExample)
DE (1) DE19730779B4 (enExample)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5878363A (en) * 1996-07-19 1999-03-02 Caterpillar Inc. Control to improve dump while lifting
US5960695A (en) * 1997-04-25 1999-10-05 Caterpillar Inc. System and method for controlling an independent metering valve
DE19836843A1 (de) * 1998-08-14 2000-02-17 Schloemann Siemag Ag Vorrichtung zum hydraulischen Anstellen der Rollen von Strangführungssegmenten einer Stranggießanlage
DE19982944T1 (de) 1998-12-22 2001-04-26 Caterpillar Inc Werkzeugerkennungs- und -steuersystem für eine Arbeitsmaschine
US6502393B1 (en) * 2000-09-08 2003-01-07 Husco International, Inc. Hydraulic system with cross function regeneration
US6502498B2 (en) 2001-04-23 2003-01-07 Caterpillar Inc Method and apparatus for lifting a work implement attached to a work machine
US7121189B2 (en) * 2004-09-29 2006-10-17 Caterpillar Inc. Electronically and hydraulically-actuated drain value
US7204084B2 (en) * 2004-10-29 2007-04-17 Caterpillar Inc Hydraulic system having a pressure compensator
US7146808B2 (en) * 2004-10-29 2006-12-12 Caterpillar Inc Hydraulic system having priority based flow control
US7441404B2 (en) * 2004-11-30 2008-10-28 Caterpillar Inc. Configurable hydraulic control system
US7451685B2 (en) * 2005-03-14 2008-11-18 Husco International, Inc. Hydraulic control system with cross function regeneration
US7204185B2 (en) * 2005-04-29 2007-04-17 Caterpillar Inc Hydraulic system having a pressure compensator
US7243493B2 (en) * 2005-04-29 2007-07-17 Caterpillar Inc Valve gradually communicating a pressure signal
US7302797B2 (en) * 2005-05-31 2007-12-04 Caterpillar Inc. Hydraulic system having a post-pressure compensator
US7194856B2 (en) * 2005-05-31 2007-03-27 Caterpillar Inc Hydraulic system having IMV ride control configuration
US7331175B2 (en) * 2005-08-31 2008-02-19 Caterpillar Inc. Hydraulic system having area controlled bypass
US7210396B2 (en) * 2005-08-31 2007-05-01 Caterpillar Inc Valve having a hysteretic filtered actuation command
US7614336B2 (en) * 2005-09-30 2009-11-10 Caterpillar Inc. Hydraulic system having augmented pressure compensation
US20100043418A1 (en) * 2005-09-30 2010-02-25 Caterpillar Inc. Hydraulic system and method for control
US7320216B2 (en) * 2005-10-31 2008-01-22 Caterpillar Inc. Hydraulic system having pressure compensated bypass
US7905088B2 (en) * 2006-11-14 2011-03-15 Incova Technologies, Inc. Energy recovery and reuse techniques for a hydraulic system
US7823379B2 (en) * 2006-11-14 2010-11-02 Husco International, Inc. Energy recovery and reuse methods for a hydraulic system
US8479504B2 (en) * 2007-05-31 2013-07-09 Caterpillar Inc. Hydraulic system having an external pressure compensator
US20080295681A1 (en) * 2007-05-31 2008-12-04 Caterpillar Inc. Hydraulic system having an external pressure compensator
US7621211B2 (en) * 2007-05-31 2009-11-24 Caterpillar Inc. Force feedback poppet valve having an integrated pressure compensator
US7908853B2 (en) * 2007-09-28 2011-03-22 Caterpillar Inc. Hydraulic balancing for steering management
US7748279B2 (en) * 2007-09-28 2010-07-06 Caterpillar Inc Hydraulics management for bounded implements
US8209094B2 (en) * 2008-01-23 2012-06-26 Caterpillar Inc. Hydraulic implement system having boom priority
US8631650B2 (en) 2009-09-25 2014-01-21 Caterpillar Inc. Hydraulic system and method for control
JP5485007B2 (ja) * 2010-05-07 2014-05-07 日立建機株式会社 作業車両の油圧制御装置
US8893818B2 (en) 2010-12-17 2014-11-25 Caterpillar Inc. Hydraulic system having dual tilt blade control
US9429174B1 (en) 2013-03-15 2016-08-30 Clark Equipment Company Enabling valve having separate float and lift down positions
US9629299B2 (en) * 2014-08-05 2017-04-25 Deere & Company Front attachment control system
DE102018207158A1 (de) * 2018-05-08 2019-11-14 Robert Bosch Gmbh Hydraulische Steueranordnung für eine Anordnung mobiler Arbeitsmaschinen und Anordnung mobiler Arbeitsmaschinen

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4394320T1 (de) * 1992-09-08 1994-09-08 Komatsu Mfg Co Ltd Steuervorrichtung für hydraulisch betätigte Maschinen
EP0649988A1 (en) * 1993-05-07 1995-04-26 Hitachi Construction Machinery Co., Ltd. Driving controller of hydraulic machine
US5490384A (en) * 1994-12-08 1996-02-13 Caterpillar Inc. Hydraulic flow priority system
DE4344894C2 (de) * 1993-06-30 1998-03-12 Samsung Heavy Ind Verfahren zum Regeln des Betriebs eines einen elektronischen Mikromodul aufweisenden Baggers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5817202A (ja) * 1981-07-24 1983-02-01 Hitachi Constr Mach Co Ltd 油圧回路の制御方法
US5287699A (en) * 1990-01-16 1994-02-22 Kabushiki Kaisha Komatsu Seisakusho Automatic vibration method and device for hydraulic drilling machine
US5249421A (en) * 1992-01-13 1993-10-05 Caterpillar Inc. Hydraulic control apparatus with mode selection
US5564274A (en) * 1995-12-13 1996-10-15 Caterpillar Inc. Cold oil protection circuit for a hydraulic system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4394320T1 (de) * 1992-09-08 1994-09-08 Komatsu Mfg Co Ltd Steuervorrichtung für hydraulisch betätigte Maschinen
EP0649988A1 (en) * 1993-05-07 1995-04-26 Hitachi Construction Machinery Co., Ltd. Driving controller of hydraulic machine
DE4344894C2 (de) * 1993-06-30 1998-03-12 Samsung Heavy Ind Verfahren zum Regeln des Betriebs eines einen elektronischen Mikromodul aufweisenden Baggers
US5490384A (en) * 1994-12-08 1996-02-13 Caterpillar Inc. Hydraulic flow priority system

Also Published As

Publication number Publication date
JP3958408B2 (ja) 2007-08-15
US5678470A (en) 1997-10-21
JPH1082075A (ja) 1998-03-31
DE19730779A1 (de) 1998-01-22

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8364 No opposition during term of opposition
R071 Expiry of right