DE10342459A1 - System zur Wiedergewinnung von Energie in einer hydraulischen Schaltung - Google Patents

System zur Wiedergewinnung von Energie in einer hydraulischen Schaltung Download PDF

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Publication number
DE10342459A1
DE10342459A1 DE10342459A DE10342459A DE10342459A1 DE 10342459 A1 DE10342459 A1 DE 10342459A1 DE 10342459 A DE10342459 A DE 10342459A DE 10342459 A DE10342459 A DE 10342459A DE 10342459 A1 DE10342459 A1 DE 10342459A1
Authority
DE
Germany
Prior art keywords
valve
pump
fluid
hydraulic actuator
overtaking
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Withdrawn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
DE10342459A
Other languages
German (de)
English (en)
Inventor
Jason L. Peoria Brinkman
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 DE10342459A1 publication Critical patent/DE10342459A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • F15B21/082—Servomotor systems incorporating electrically operated control means with different modes
    • 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
    • E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
    • 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
    • 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
    • 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
    • F15B1/024—Installations or systems with accumulators used as a supplementary power source, e.g. to store energy in idle periods to balance pump load
    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/14—Energy-recuperation means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
DE10342459A 2002-10-01 2003-09-15 System zur Wiedergewinnung von Energie in einer hydraulischen Schaltung Withdrawn DE10342459A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/260272 2002-10-01
US10/260,272 US6789387B2 (en) 2002-10-01 2002-10-01 System for recovering energy in hydraulic circuit

Publications (1)

Publication Number Publication Date
DE10342459A1 true DE10342459A1 (de) 2004-04-15

Family

ID=32029651

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10342459A Withdrawn DE10342459A1 (de) 2002-10-01 2003-09-15 System zur Wiedergewinnung von Energie in einer hydraulischen Schaltung

Country Status (3)

Country Link
US (1) US6789387B2 (enExample)
JP (1) JP2004156777A (enExample)
DE (1) DE10342459A1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006000664U1 (de) * 2006-01-13 2007-05-24 Liebherr-Werk Bischofshofen Ges.M.B.H. Maschine, insbesondere Baumaschine
DE102016003390A1 (de) * 2015-10-23 2017-04-27 Liebherr France Sas Vorrichtung zur Rückgewinnung hydraulischer Energie bei einem Arbeitsgerät und ein entsprechendes Arbeitsgerät
DE102016203713A1 (de) 2016-03-08 2017-09-14 Robert Bosch Gmbh Verfahren zur Steuerung für einen Verbrennungsmotor eines hydraulischen Hybridantriebs und elektronische Steuervorrichtung für einen Verbrennungsmotor eines hydraulischen Hybridantriebs und hydraulischer Hybridantrieb

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DE202006000664U1 (de) * 2006-01-13 2007-05-24 Liebherr-Werk Bischofshofen Ges.M.B.H. Maschine, insbesondere Baumaschine
DE102016003390A1 (de) * 2015-10-23 2017-04-27 Liebherr France Sas Vorrichtung zur Rückgewinnung hydraulischer Energie bei einem Arbeitsgerät und ein entsprechendes Arbeitsgerät
DE102016203713A1 (de) 2016-03-08 2017-09-14 Robert Bosch Gmbh Verfahren zur Steuerung für einen Verbrennungsmotor eines hydraulischen Hybridantriebs und elektronische Steuervorrichtung für einen Verbrennungsmotor eines hydraulischen Hybridantriebs und hydraulischer Hybridantrieb

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Publication number Publication date
US20040060430A1 (en) 2004-04-01
US6789387B2 (en) 2004-09-14
JP2004156777A (ja) 2004-06-03

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