WO2008106923A3 - Hydraulisches system - Google Patents

Hydraulisches system Download PDF

Info

Publication number
WO2008106923A3
WO2008106923A3 PCT/DE2008/000269 DE2008000269W WO2008106923A3 WO 2008106923 A3 WO2008106923 A3 WO 2008106923A3 DE 2008000269 W DE2008000269 W DE 2008000269W WO 2008106923 A3 WO2008106923 A3 WO 2008106923A3
Authority
WO
WIPO (PCT)
Prior art keywords
pressure side
valve
accumulator
pump
disposed
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.)
Ceased
Application number
PCT/DE2008/000269
Other languages
English (en)
French (fr)
Other versions
WO2008106923A2 (de
Inventor
Martin Staudinger
Laurent Ineichen
Marco Grethel
Eric Mueller
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.)
Schaeffler Buehl Verwaltungs GmbH
LuK Lamellen und Kupplungsbau GmbH
Original Assignee
LuK Lamellen und Kupplungsbau Beteiligungs KG
LuK Lamellen und Kupplungsbau GmbH
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 LuK Lamellen und Kupplungsbau Beteiligungs KG, LuK Lamellen und Kupplungsbau GmbH filed Critical LuK Lamellen und Kupplungsbau Beteiligungs KG
Priority to DE112008000377.7T priority Critical patent/DE112008000377B4/de
Priority to CN2008800072905A priority patent/CN101627213B/zh
Priority to JP2009552059A priority patent/JP5380711B2/ja
Publication of WO2008106923A2 publication Critical patent/WO2008106923A2/de
Publication of WO2008106923A3 publication Critical patent/WO2008106923A3/de
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/021—Installations or systems with accumulators used for damping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/0021—Generation or control of line pressure
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20538—Type of pump constant capacity
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/212—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/25—Pressure control functions
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40507—Flow control characterised by the type of flow control means or valve with constant throttles or orifices
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50563—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure
    • F15B2211/50572—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure using a pressure compensating valve for controlling the pressure difference across a flow control valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/57—Control of a differential pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/0021—Generation or control of line pressure
    • F16H61/0025—Supply of control fluid; Pumps therefor
    • F16H2061/0034—Accumulators for fluid pressure supply; Control thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Transmission Device (AREA)
  • Fluid-Pressure Circuits (AREA)
  • General Details Of Gearings (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Abstract

Hydraulisches System, umfassend eine Pumpe zur Förderung von Hydraulikfluid von einer Saugseite auf eine Druckseite, wobei an der Druckseite ein Druckspeicher angeordnet ist, wobei zwischen Pumpe und Druckspeicher ein hydraulisches Steuerventil angeordnet ist, das mindestens zwei Ventilstellungen hat, wobei die Druckseite der Pumpe in einer ersten Ventilstellung mit dem Druckspeicher verbunden ist und in einer zweiten Ventilstellung von dem Druckspeicher getrennt ist, wobei die Druckseite der Pumpe in der zweiten Ventilstellung über das Steuerventil mit der Saugseite verbunden ist und zwischen einem druckseitigen Ausgang und einer zweiten Rückführfläche des Steuerventils ist eine Blende angeordnet.
PCT/DE2008/000269 2007-03-05 2008-02-13 Hydraulisches system Ceased WO2008106923A2 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE112008000377.7T DE112008000377B4 (de) 2007-03-05 2008-02-13 Hydraulisches System
CN2008800072905A CN101627213B (zh) 2007-03-05 2008-02-13 液压系统
JP2009552059A JP5380711B2 (ja) 2007-03-05 2008-02-13 ハイドロリックシステム

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US90499807P 2007-03-05 2007-03-05
US60/904,998 2007-03-05
US93653807P 2007-06-21 2007-06-21
US60/936,538 2007-06-21

Publications (2)

Publication Number Publication Date
WO2008106923A2 WO2008106923A2 (de) 2008-09-12
WO2008106923A3 true WO2008106923A3 (de) 2008-11-20

Family

ID=39434396

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2008/000269 Ceased WO2008106923A2 (de) 2007-03-05 2008-02-13 Hydraulisches system

Country Status (5)

Country Link
US (1) US7975474B2 (de)
JP (1) JP5380711B2 (de)
CN (1) CN101627213B (de)
DE (2) DE102008008909A1 (de)
WO (1) WO2008106923A2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8056666B2 (en) * 2008-10-10 2011-11-15 GM Global Technology Operations LLC Hydraulic control for a vehicle powertrain
US8408232B2 (en) * 2009-09-23 2013-04-02 Parker Hannifin Corporation Sequence valve
US8678780B2 (en) * 2010-02-26 2014-03-25 GM Global Technology Operations LLC Transmission hydraulic control system having a pump bypass valve
DE102012203185A1 (de) * 2011-10-13 2013-04-18 Zf Friedrichshafen Ag Vorrichtung zum Speichern von Hydraulikfluid
CN105705837B (zh) * 2013-11-08 2019-04-16 舍弗勒技术股份两合公司 流体组件
JP2018528365A (ja) * 2015-07-14 2018-09-27 ボーグワーナー インコーポレーテッド 供給限界弁統合型停止／始動アキュムレータ
JP6493050B2 (ja) * 2015-07-16 2019-04-03 トヨタ自動車株式会社 車両用無段変速機の油圧制御装置
US11015624B2 (en) * 2016-05-19 2021-05-25 Steven H. Marquardt Methods and devices for conserving energy in fluid power production
CN109723416A (zh) * 2018-12-28 2019-05-07 德州学院 一种液压调剖注入泵喂液系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3641801A1 (de) * 1986-12-06 1988-06-16 Walter Schopf Energiesparende hydraulikversorgungseinrichtung fuer kfz
DE4130128A1 (de) * 1991-09-11 1993-03-18 Zahnradfabrik Friedrichshafen Verfahren und einrichtung zur druckoelversorgung
DE4410268A1 (de) * 1993-03-24 1994-09-29 Ultra Hydraulics Ltd Hydraulische Durchflußsteuerventilanordnung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3019148A1 (de) 1980-05-20 1981-11-26 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische einrichtung zum steuern eines druckmittelstroms
JPS6145156A (ja) * 1984-08-09 1986-03-05 Mazda Motor Corp 自動変速機の油圧制御装置
CN2047720U (zh) * 1989-04-22 1989-11-15 太原液压机械厂 恒压注液枪
US5826487A (en) * 1997-02-20 1998-10-27 Caterpillar Inc. Pressure control for a pair of parallel hydraulic circuits
CN2660201Y (zh) * 2003-12-05 2004-12-01 浙江大学 水下环境液压系统内外压平衡直动型压力补偿阀

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3641801A1 (de) * 1986-12-06 1988-06-16 Walter Schopf Energiesparende hydraulikversorgungseinrichtung fuer kfz
DE4130128A1 (de) * 1991-09-11 1993-03-18 Zahnradfabrik Friedrichshafen Verfahren und einrichtung zur druckoelversorgung
DE4410268A1 (de) * 1993-03-24 1994-09-29 Ultra Hydraulics Ltd Hydraulische Durchflußsteuerventilanordnung

Also Published As

Publication number Publication date
DE102008008909A1 (de) 2008-09-11
CN101627213A (zh) 2010-01-13
US7975474B2 (en) 2011-07-12
DE112008000377B4 (de) 2021-12-30
US20080216471A1 (en) 2008-09-11
JP2010520421A (ja) 2010-06-10
JP5380711B2 (ja) 2014-01-08
DE112008000377A5 (de) 2009-11-12
WO2008106923A2 (de) 2008-09-12
CN101627213B (zh) 2013-05-22

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