ATE313016T1 - Steuereinrichtung für die kontinuierliche bewegung eines hydraulischen stellmotors - Google Patents

Steuereinrichtung für die kontinuierliche bewegung eines hydraulischen stellmotors

Info

Publication number
ATE313016T1
ATE313016T1 AT01974163T AT01974163T ATE313016T1 AT E313016 T1 ATE313016 T1 AT E313016T1 AT 01974163 T AT01974163 T AT 01974163T AT 01974163 T AT01974163 T AT 01974163T AT E313016 T1 ATE313016 T1 AT E313016T1
Authority
AT
Austria
Prior art keywords
piston
precontrol
bore
annular gap
control device
Prior art date
Application number
AT01974163T
Other languages
English (en)
Inventor
Joerg Linser
Original Assignee
Zf Lenksysteme 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 Zf Lenksysteme Gmbh filed Critical Zf Lenksysteme Gmbh
Application granted granted Critical
Publication of ATE313016T1 publication Critical patent/ATE313016T1/de

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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/006—Hydraulic "Wheatstone bridge" circuits, i.e. with four nodes, P-A-T-B, and on-off or proportional valves in each link
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0405—Valve members; Fluid interconnections therefor for seat valves, i.e. poppet valves
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
    • F15B13/0433—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves the pilot valves being pressure control valves
    • 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
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
    • F15B2211/30575—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve in a Wheatstone Bridge arrangement (also half bridges)
    • 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
    • F15B2211/30—Directional control
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/329—Directional control characterised by the type of actuation actuated by fluid 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
    • F15B2211/30—Directional control
    • F15B2211/35—Directional control combined with flow control
    • F15B2211/351—Flow control by regulating means in feed line, i.e. meter-in 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/35—Directional control combined with flow control
    • F15B2211/353—Flow control by regulating means in return line, i.e. meter-out control

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Servomotors (AREA)
AT01974163T 2001-08-10 2001-08-10 Steuereinrichtung für die kontinuierliche bewegung eines hydraulischen stellmotors ATE313016T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2001/009264 WO2003014576A1 (de) 2001-08-10 2001-08-10 Steuereinrichtung für die kontinuierliche bewegung eines hydraulischen stellmotors

Publications (1)

Publication Number Publication Date
ATE313016T1 true ATE313016T1 (de) 2005-12-15

Family

ID=8164540

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01974163T ATE313016T1 (de) 2001-08-10 2001-08-10 Steuereinrichtung für die kontinuierliche bewegung eines hydraulischen stellmotors

Country Status (5)

Country Link
US (1) US7028599B2 (de)
EP (1) EP1415095B1 (de)
AT (1) ATE313016T1 (de)
DE (1) DE50108414D1 (de)
WO (1) WO2003014576A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8096227B2 (en) * 2008-07-29 2012-01-17 Caterpillar Inc. Hydraulic system having regeneration modulation
US9328747B2 (en) * 2013-03-15 2016-05-03 Mts Systems Corporation Servo actuator load vector generating system
US10281055B2 (en) * 2016-02-09 2019-05-07 Parker-Hannifin Corporation Hydraulic servo valve
US10798866B2 (en) 2018-08-10 2020-10-13 Cnh Industrial America Llc Depth control system for raising and lowering a work unit of an implement

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2672731A (en) * 1951-08-01 1954-03-23 Electrol Inc Self-contained power actuator
US3433131A (en) * 1967-08-22 1969-03-18 Ingebret Soyland Control systems for hydraulic power units
FR2432412B2 (fr) * 1978-05-20 1985-09-27 Girling Ltd Amplificateur de servo-commande pour systemes de freinage de vehicules
US4201052A (en) * 1979-03-26 1980-05-06 Sperry Rand Corporation Power transmission
US4437385A (en) * 1982-04-01 1984-03-20 Deere & Company Electrohydraulic valve system
JP2532081B2 (ja) * 1987-01-30 1996-09-11 日産自動車株式会社 パワ−ステアリングの油圧制御装置
FR2715903B1 (fr) * 1994-02-04 1996-05-03 Alliedsignal Europ Services Servomoteur d'assistance de freinage, à sécurité accrue.
FR2727922A1 (fr) * 1994-12-09 1996-06-14 Alliedsignal Europ Services Servomoteur a enveloppe deformable
DE19500749C2 (de) * 1995-01-12 2000-12-07 Danfoss As Drei- oder Mehr-Wege-Ventil
DE19601662A1 (de) 1996-01-18 1997-07-24 Joerg J Prof Dipl Ing Linser Servoventil in Kartuschenausführung, vorzugsweise für Hilfskraftlenkungen
US6691604B1 (en) * 1999-09-28 2004-02-17 Caterpillar Inc Hydraulic system with an actuator having independent meter-in meter-out control

Also Published As

Publication number Publication date
US7028599B2 (en) 2006-04-18
EP1415095B1 (de) 2005-12-14
WO2003014576A1 (de) 2003-02-20
US20040187675A1 (en) 2004-09-30
EP1415095A1 (de) 2004-05-06
DE50108414D1 (de) 2006-01-19

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Legal Events

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REN Ceased due to non-payment of the annual fee