EP4735698A1 - Systeme und verfahren zur steuerung von baggern und anderen arbeitsmaschinen - Google Patents

Systeme und verfahren zur steuerung von baggern und anderen arbeitsmaschinen

Info

Publication number
EP4735698A1
EP4735698A1 EP24828912.6A EP24828912A EP4735698A1 EP 4735698 A1 EP4735698 A1 EP 4735698A1 EP 24828912 A EP24828912 A EP 24828912A EP 4735698 A1 EP4735698 A1 EP 4735698A1
Authority
EP
European Patent Office
Prior art keywords
power
electric motor
pressure
hydraulic
control mode
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.)
Pending
Application number
EP24828912.6A
Other languages
English (en)
French (fr)
Inventor
Pierre Rode Surech MIYALOU
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.)
Doosan Bobcat North America Inc
Original Assignee
Doosan Bobcat North America 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 Doosan Bobcat North America Inc filed Critical Doosan Bobcat North America Inc
Publication of EP4735698A1 publication Critical patent/EP4735698A1/de
Pending 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
    • E02F9/2058—Electric or electro-mechanical or mechanical control devices of vehicle sub-units
    • 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
    • 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
    • E02F9/2246—Control of prime movers, e.g. depending on the hydraulic load of work tools
    • 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
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
    • 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
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
    • E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps including an electronic controller
    • 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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Operation Control Of Excavators (AREA)
EP24828912.6A 2023-11-02 2024-11-04 Systeme und verfahren zur steuerung von baggern und anderen arbeitsmaschinen Pending EP4735698A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202363595579P 2023-11-02 2023-11-02
PCT/US2024/054443 WO2025097155A1 (en) 2023-11-02 2024-11-04 Systems and methods for control of excavators and other power machines

Publications (1)

Publication Number Publication Date
EP4735698A1 true EP4735698A1 (de) 2026-05-06

Family

ID=94117172

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24828912.6A Pending EP4735698A1 (de) 2023-11-02 2024-11-04 Systeme und verfahren zur steuerung von baggern und anderen arbeitsmaschinen

Country Status (4)

Country Link
EP (1) EP4735698A1 (de)
KR (1) KR20260105851A (de)
CN (1) CN121420114A (de)
WO (1) WO2025097155A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121675495B (zh) * 2026-02-09 2026-06-05 徐州徐工挖掘机械有限公司 作业机械的控制方法及装置、挖掘机、存储介质

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3969068B2 (ja) * 2001-11-21 2007-08-29 コベルコ建機株式会社 ハイブリッド作業機械のアクチュエータ駆動装置
JP2008256037A (ja) * 2007-04-03 2008-10-23 Hitachi Constr Mach Co Ltd 電動式油圧作業機
EP2775150B1 (de) * 2011-10-20 2018-04-18 Hitachi Construction Machinery Tierra Co., Ltd. Hydraulische antriebsvorrichtung einer motorgetriebenen hydraulikbetriebsmaschine
JP6596458B2 (ja) * 2017-03-13 2019-10-23 株式会社日立建機ティエラ 電動式油圧作業機械の油圧駆動装置
CN113994092B (zh) * 2019-09-24 2024-06-04 株式会社日立建机Tierra 电动式液压作业机械
US11946225B2 (en) * 2021-05-28 2024-04-02 Caterpillar Inc. Method and systems for controlling electrically-powered hydraulic circuits

Also Published As

Publication number Publication date
CN121420114A (zh) 2026-01-27
WO2025097155A1 (en) 2025-05-08
KR20260105851A (ko) 2026-07-07

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