EP2792888A4 - HYDRAULIC ENGINE - Google Patents

HYDRAULIC ENGINE

Info

Publication number
EP2792888A4
EP2792888A4 EP12858263.2A EP12858263A EP2792888A4 EP 2792888 A4 EP2792888 A4 EP 2792888A4 EP 12858263 A EP12858263 A EP 12858263A EP 2792888 A4 EP2792888 A4 EP 2792888A4
Authority
EP
European Patent Office
Prior art keywords
hydraulic machinery
machinery
hydraulic
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.)
Withdrawn
Application number
EP12858263.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2792888A1 (en
Inventor
Yoshihiko Hata
Shogo Tada
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 SARL
Original Assignee
Caterpillar SARL
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 SARL filed Critical Caterpillar SARL
Publication of EP2792888A1 publication Critical patent/EP2792888A1/en
Publication of EP2792888A4 publication Critical patent/EP2792888A4/en
Withdrawn legal-status Critical Current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
    • E02F9/22—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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2285—Pilot-operated systems
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • F02D29/04—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/0205—Circuit arrangements for generating control signals using an auxiliary engine speed control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/04—Accumulators
    • F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
    • F15B1/083—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor the accumulator having a fusible plug
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/04—Accumulators
    • F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
    • F15B1/24—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with rigid separating means, e.g. pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
EP12858263.2A 2011-12-16 2012-12-14 HYDRAULIC ENGINE Withdrawn EP2792888A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011275236A JP5614814B2 (ja) 2011-12-16 2011-12-16 油圧作業機械
PCT/JP2012/082494 WO2013089230A1 (ja) 2011-12-16 2012-12-14 油圧作業機械

Publications (2)

Publication Number Publication Date
EP2792888A1 EP2792888A1 (en) 2014-10-22
EP2792888A4 true EP2792888A4 (en) 2016-01-06

Family

ID=48612669

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12858263.2A Withdrawn EP2792888A4 (en) 2011-12-16 2012-12-14 HYDRAULIC ENGINE

Country Status (6)

Country Link
US (1) US20140331660A1 (zh)
EP (1) EP2792888A4 (zh)
JP (1) JP5614814B2 (zh)
KR (1) KR20140110859A (zh)
CN (1) CN104136782B (zh)
WO (1) WO2013089230A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013103722B4 (de) * 2013-04-12 2016-10-13 Thyssenkrupp Tiefbautechnik Gmbh Vibrationsrammanordnung sowie Verfahren zum Betrieb der Vibrationsrammanordnung
WO2019050064A1 (en) * 2017-09-07 2019-03-14 Volvo Construction Equipment Ab HYDRAULIC MACHINE

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0742704A (ja) * 1993-07-30 1995-02-10 Yutani Heavy Ind Ltd オートアクセル装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0658111B2 (ja) * 1984-11-30 1994-08-03 株式会社小松製作所 可変容量型油圧ポンプの吐出量制御装置
JP2678355B2 (ja) * 1985-10-22 1997-11-17 株式会社小松製作所 建設機械の制御装置
CN1007632B (zh) * 1985-12-28 1990-04-18 日立建机株式会社 液压建筑机械的控制系统
JP2608997B2 (ja) * 1991-02-08 1997-05-14 日立建機株式会社 油圧建設機械の駆動制御装置
JPH0681802A (ja) 1992-09-02 1994-03-22 Sumitomo Constr Mach Co Ltd ロードセンシング油圧回路
JP2567193B2 (ja) * 1993-01-19 1996-12-25 三星重工業株式會社 油圧ポンプの吐出流量制御装置
JP3587957B2 (ja) * 1997-06-12 2004-11-10 日立建機株式会社 建設機械のエンジン制御装置
JP4475767B2 (ja) * 2000-08-03 2010-06-09 株式会社小松製作所 作業用車両
JP4053520B2 (ja) * 2004-06-30 2008-02-27 住友建機製造株式会社 建設機械の制御装置
JP4812843B2 (ja) * 2007-01-18 2011-11-09 株式会社小松製作所 エンジンの制御装置及びその制御方法
JP2008190694A (ja) * 2007-02-07 2008-08-21 Komatsu Ltd オートデセル制御機能を備えた制御装置及びその制御方法
WO2009104636A1 (ja) * 2008-02-18 2009-08-27 株式会社小松製作所 エンジンの制御装置及びその制御方法
JP2009281149A (ja) * 2008-05-19 2009-12-03 Kobelco Contstruction Machinery Ltd エンジン制御装置及びこれを備えた作業機械
JP5372674B2 (ja) * 2009-09-04 2013-12-18 キャタピラー エス エー アール エル 作業機械の油圧制御装置
JP2011236971A (ja) * 2010-05-11 2011-11-24 Caterpillar Sarl 作業機械の油圧システム
JP5285110B2 (ja) * 2011-04-05 2013-09-11 住友建機株式会社 建設機械及びその制御方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0742704A (ja) * 1993-07-30 1995-02-10 Yutani Heavy Ind Ltd オートアクセル装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013089230A1 *

Also Published As

Publication number Publication date
JP5614814B2 (ja) 2014-10-29
KR20140110859A (ko) 2014-09-17
WO2013089230A1 (ja) 2013-06-20
EP2792888A1 (en) 2014-10-22
US20140331660A1 (en) 2014-11-13
CN104136782A (zh) 2014-11-05
JP2013124752A (ja) 2013-06-24
CN104136782B (zh) 2016-03-30

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