IT1100868B - APPARATUS FOR THE CONTROL OF CYLINDER AND PISTON HYDRAULIC ACTUATOR SYSTEMS - Google Patents

APPARATUS FOR THE CONTROL OF CYLINDER AND PISTON HYDRAULIC ACTUATOR SYSTEMS

Info

Publication number
IT1100868B
IT1100868B IT31332/78A IT3133278A IT1100868B IT 1100868 B IT1100868 B IT 1100868B IT 31332/78 A IT31332/78 A IT 31332/78A IT 3133278 A IT3133278 A IT 3133278A IT 1100868 B IT1100868 B IT 1100868B
Authority
IT
Italy
Prior art keywords
cylinder
control
hydraulic actuator
piston hydraulic
actuator systems
Prior art date
Application number
IT31332/78A
Other languages
Italian (it)
Other versions
IT7831332A0 (en
Original Assignee
Metacon Ag
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 Metacon Ag filed Critical Metacon Ag
Publication of IT7831332A0 publication Critical patent/IT7831332A0/en
Application granted granted Critical
Publication of IT1100868B publication Critical patent/IT1100868B/en

Links

Classifications

    • 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
    • G01D5/225—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 mutual induction between the two coils
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
    • F15B15/2861—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using magnetic means
    • 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
    • G01D5/225—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 mutual induction between the two coils
    • G01D5/2258—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 mutual induction between the two coils by a movable ferromagnetic element, e.g. core

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Actuator (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
IT31332/78A 1977-12-29 1978-12-27 APPARATUS FOR THE CONTROL OF CYLINDER AND PISTON HYDRAULIC ACTUATOR SYSTEMS IT1100868B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2758653 1977-12-29

Publications (2)

Publication Number Publication Date
IT7831332A0 IT7831332A0 (en) 1978-12-27
IT1100868B true IT1100868B (en) 1985-09-28

Family

ID=6027607

Family Applications (2)

Application Number Title Priority Date Filing Date
IT7829915A IT7829915A0 (en) 1977-12-29 1978-11-17 APPARATUS FOR THE CONTROL OF HYDRAULIC CYLINDER AND PISTON ACTUATOR SYSTEMS.
IT31332/78A IT1100868B (en) 1977-12-29 1978-12-27 APPARATUS FOR THE CONTROL OF CYLINDER AND PISTON HYDRAULIC ACTUATOR SYSTEMS

Family Applications Before (1)

Application Number Title Priority Date Filing Date
IT7829915A IT7829915A0 (en) 1977-12-29 1978-11-17 APPARATUS FOR THE CONTROL OF HYDRAULIC CYLINDER AND PISTON ACTUATOR SYSTEMS.

Country Status (11)

Country Link
JP (2) JPS54100766A (en)
AT (1) AT382102B (en)
BE (1) BE873230A (en)
CH (1) CH639464A5 (en)
CS (1) CS219897B2 (en)
DD (1) DD141188A5 (en)
FR (1) FR2413572A1 (en)
GB (1) GB2011629B (en)
IT (2) IT7829915A0 (en)
LU (1) LU80740A1 (en)
PL (1) PL114711B1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3127470A1 (en) * 1981-07-11 1983-01-20 Robert Bosch Gmbh, 7000 Stuttgart INDUCTIVE SENSOR FOR A FLUIDIC ACTUATOR
SE454006B (en) * 1984-02-16 1988-03-21 Nike Ab HYDRAULIC TENSION TOOL
DK165562C (en) * 1987-02-20 1993-04-26 Niels Hvilsted HYDRAULIC CYLINDER WITH BUILT-IN INDUCTIVE Piston Position Sensor.
DE3730926A1 (en) * 1987-09-15 1989-03-30 Bosch Gmbh Robert Double-acting cylinder
DE3900086A1 (en) * 1989-01-03 1990-07-05 Norbert Kolb Adjusting device with a sensor for an implement, in particular a two-way turn-over plough
GB2260821B (en) * 1991-10-25 1995-01-04 United Technologies Corp Pitch change system
CH689460A5 (en) * 1995-01-26 1999-04-30 Rotovolumetric Ag Piston-cylinder device with inductive stroke-measuring sensor for stroke controlled lifting of loads
DE102007039882A1 (en) * 2007-04-26 2008-11-06 Sms Demag Ag continuous casting
JP5547596B2 (en) * 2010-09-29 2014-07-16 ナブテスコ株式会社 Actuator position detector
DE102012006564B3 (en) * 2012-03-30 2013-08-08 Festo Ag & Co. Kg Driving apparatus for use with manipulator for handling objects, has supporting unit whose supporting locations are arranged in axis direction of major axis with spacing in drive chamber
SE539083C2 (en) 2014-09-12 2017-04-04 Binar Quick-Lift Systems Ab Actuator for manual control of a load suspended in the actuator
FR3028835B1 (en) * 2014-11-25 2016-11-25 Snecma INSTRUMENT ACTUATING DEVICE FOR AN AIRCRAFT TURBOMACHINE

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1382342A (en) * 1963-11-09 1964-12-18 Mitchell Hydraulics Ltd Improvements to mechanical control devices actuated by pressurized fluid
US3403365A (en) * 1964-05-04 1968-09-24 Gen Electric Shielded transducer having means to reduce core movement
FR1525363A (en) * 1967-04-07 1968-05-17 Compteurs Et Moteurs Aster Jack comprising a device for monitoring and controlling its position
AT312319B (en) * 1967-12-30 1973-12-27 Joseph Anton Bachmann Device for travel measurement in a piston-cylinder unit of machine tools or the like.

Also Published As

Publication number Publication date
PL114711B1 (en) 1981-02-28
DD141188A5 (en) 1980-04-16
CH639464A5 (en) 1983-11-15
JPS6249707U (en) 1987-03-27
AT382102B (en) 1987-01-12
IT7829915A0 (en) 1978-11-17
GB2011629A (en) 1979-07-11
BE873230A (en) 1979-06-29
GB2011629B (en) 1983-01-12
FR2413572B1 (en) 1983-11-25
FR2413572A1 (en) 1979-07-27
CS219897B2 (en) 1983-03-25
ATA938378A (en) 1986-06-15
PL212211A1 (en) 1979-09-10
LU80740A1 (en) 1979-04-13
IT7831332A0 (en) 1978-12-27
JPS54100766A (en) 1979-08-08

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971223