IT1320041B1 - Dispositivo di controllo della posizione di un cursore di valvola. - Google Patents

Dispositivo di controllo della posizione di un cursore di valvola.

Info

Publication number
IT1320041B1
IT1320041B1 IT2000TO000352A ITTO20000352A IT1320041B1 IT 1320041 B1 IT1320041 B1 IT 1320041B1 IT 2000TO000352 A IT2000TO000352 A IT 2000TO000352A IT TO20000352 A ITTO20000352 A IT TO20000352A IT 1320041 B1 IT1320041 B1 IT 1320041B1
Authority
IT
Italy
Prior art keywords
control
valve slider
slider
valve
Prior art date
Application number
IT2000TO000352A
Other languages
English (en)
Inventor
Flemming Thomsen
Original Assignee
Danfoss Fluid Power As Ora Sau
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 Danfoss Fluid Power As Ora Sau filed Critical Danfoss Fluid Power As Ora Sau
Publication of ITTO20000352A0 publication Critical patent/ITTO20000352A0/it
Publication of ITTO20000352A1 publication Critical patent/ITTO20000352A1/it
Application granted granted Critical
Publication of IT1320041B1 publication Critical patent/IT1320041B1/it

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/14—Control of position or direction using feedback using an analogue comparing device
    • G05D3/1409—Control of position or direction using feedback using an analogue comparing device with DC amplifier chain
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G01D5/22—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils
    • G01D5/2208—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils by influencing the self-induction of the coils
    • G01D5/2216—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils by influencing the self-induction of the coils by a movable ferromagnetic element, e.g. a core

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Servomotors (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Control Of Position Or Direction (AREA)
  • Magnetically Actuated Valves (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Vehicle Body Suspensions (AREA)
  • Forklifts And Lifting Vehicles (AREA)
IT2000TO000352A 1999-04-15 2000-04-14 Dispositivo di controllo della posizione di un cursore di valvola. IT1320041B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19916986A DE19916986C2 (de) 1999-04-15 1999-04-15 Steuereinrichtung für die Lage eines Ventilschiebers

Publications (3)

Publication Number Publication Date
ITTO20000352A0 ITTO20000352A0 (it) 2000-04-14
ITTO20000352A1 ITTO20000352A1 (it) 2001-10-14
IT1320041B1 true IT1320041B1 (it) 2003-11-12

Family

ID=7904635

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2000TO000352A IT1320041B1 (it) 1999-04-15 2000-04-14 Dispositivo di controllo della posizione di un cursore di valvola.

Country Status (6)

Country Link
US (1) US6629020B1 (it)
DE (1) DE19916986C2 (it)
FR (1) FR2792425B1 (it)
GB (1) GB2348969B (it)
IT (1) IT1320041B1 (it)
SE (1) SE519351C2 (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2983987B1 (fr) * 2011-12-09 2014-01-10 Thales Sa Dispositif d'entree de donnees a potentiometre et manche destine au pilotage d'un aeronef, le manche comprenant le dispositif d'entree de donnees
DE102012005593A1 (de) * 2012-03-20 2013-09-26 Robert Bosch Gmbh Hydraulische Pilotventilanordnung und hydraulische Ventilanordnung damit
DE102013004437A1 (de) * 2013-02-20 2014-08-21 Robert Bosch Gmbh Hydraulisches Sicherheits- und Bewegungsregelsystem
GB201608207D0 (en) 2016-05-10 2016-06-22 Gill Corporate Ltd A pulse-induction displacement transducer

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB962650A (en) * 1959-09-21 1964-07-01 Bailey Meter Co Electrical control systems
DE1253342B (de) * 1962-11-26 1967-11-02 Kistler Instrumente Ag Nachlaufregler zur Fernuebertragung einer Bewegung
DE2025040C3 (de) * 1970-05-22 1973-02-22 Helmut Weiste Laengenveraenderlicher Oberlenker fuer eine Dreipunkt-Anhaengevorrichtung
US4037519A (en) * 1975-04-21 1977-07-26 Deere & Company Hydraulic system
US4416187A (en) * 1981-02-10 1983-11-22 Nystroem Per H G On-off valve fluid governed servosystem
DE3116316A1 (de) * 1981-04-24 1982-11-18 Robert Bosch Gmbh, 7000 Stuttgart Elektromagnetische stelleinrichtung fuer ein stellglied
JPS59222089A (ja) * 1983-05-31 1984-12-13 Sharp Corp 直流モ−タの位置決め制御システム
US4701938A (en) * 1984-11-03 1987-10-20 Keystone International, Inc. Data system
US4765225A (en) * 1986-08-22 1988-08-23 Birchard William G Digitally controlled air-over-hydraulic actuator and method
EP0291516B1 (de) * 1986-11-14 1991-03-06 ALFRED TEVES GmbH Elektrohydraulische vorrichtung zur kontinuierlichen überwachung des druckes in einer hydraulischen kraftfahrzeug-bremsanlage
DE3764644D1 (de) * 1987-06-27 1990-10-04 Merten Kg Pulsotronic Positionsdetektor fuer das bewegbare teil eines mit fluid betaetigten stellgliedes.
DE3804744A1 (de) * 1988-02-16 1989-08-24 Danfoss As Steuereinrichtung fuer einen hydraulischen stellmotor
JPH03186601A (ja) * 1989-12-14 1991-08-14 Teijin Seiki Co Ltd 電気油圧サーボ機構
US5180979A (en) * 1991-10-07 1993-01-19 Honeywell Inc. Position measurement sensor using a linear variable differential transformer with a triangular pulse input and output
GB2316195B (en) * 1994-09-19 1998-07-22 Hr Textron Inc Integrated compliance servovalve
US5541486A (en) * 1994-10-21 1996-07-30 Elsag International N.V. Automatic tuning of a position control circuit for a servo device
US5729067A (en) * 1995-08-30 1998-03-17 Eaton Corporation Method and apparatus for closed loop position control in a linear motor system
US5884894A (en) * 1996-08-20 1999-03-23 Valtek, Inc. Inner-loop valve spool positioning control apparatus
DE19723650B9 (de) * 1997-06-05 2004-04-29 Samson Ag Verfahren und Vorrichtung zur Überwachung eines Stellgeräts
US6131500A (en) * 1997-12-05 2000-10-17 Moncrief; Rick L. System and method for producing motion

Also Published As

Publication number Publication date
SE519351C2 (sv) 2003-02-18
SE0001198D0 (sv) 2000-04-03
GB2348969A (en) 2000-10-18
GB2348969B (en) 2003-03-12
SE0001198L (sv) 2000-10-16
ITTO20000352A1 (it) 2001-10-14
GB0009352D0 (en) 2000-05-31
US6629020B1 (en) 2003-09-30
FR2792425B1 (fr) 2003-02-14
FR2792425A1 (fr) 2000-10-20
DE19916986C2 (de) 2001-12-06
DE19916986A1 (de) 2000-11-02
ITTO20000352A0 (it) 2000-04-14

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