FR2594755B3 - Dispositif de pilotage par transducteur piezoelectrique des deplacements d'un element mobile faisant partie d'un amortisseur de choc telescopique par rapport a une partie fixe - Google Patents

Dispositif de pilotage par transducteur piezoelectrique des deplacements d'un element mobile faisant partie d'un amortisseur de choc telescopique par rapport a une partie fixe

Info

Publication number
FR2594755B3
FR2594755B3 FR8702383A FR8702383A FR2594755B3 FR 2594755 B3 FR2594755 B3 FR 2594755B3 FR 8702383 A FR8702383 A FR 8702383A FR 8702383 A FR8702383 A FR 8702383A FR 2594755 B3 FR2594755 B3 FR 2594755B3
Authority
FR
France
Prior art keywords
movements
relation
driving
shock absorber
piezoelectric transducer
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.)
Expired
Application number
FR8702383A
Other languages
English (en)
Other versions
FR2594755A3 (fr
Inventor
Giampiero Perga
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.)
Marelli Europe SpA
Original Assignee
Marelli Autronica SpA
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 Marelli Autronica SpA filed Critical Marelli Autronica SpA
Publication of FR2594755A3 publication Critical patent/FR2594755A3/fr
Application granted granted Critical
Publication of FR2594755B3 publication Critical patent/FR2594755B3/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/019—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
    • B60G17/01933—Velocity, e.g. relative velocity-displacement sensors
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/3207—Constructional features
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/3292—Sensor arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52004—Means for monitoring or calibrating
    • G01S7/52006—Means for monitoring or calibrating with provision for compensating the effects of temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/25—Stroke; Height; Displacement
    • B60G2400/252—Stroke; Height; Displacement vertical
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2230/00—Purpose; Design features
    • F16F2230/08—Sensor arrangement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52004—Means for monitoring or calibrating
    • G01S2007/52014—Means for monitoring or calibrating involving a reference reflector integrated in the sensor or transducer configuration

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Fluid-Damping Devices (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Vehicle Body Suspensions (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
FR8702383A 1986-02-24 1987-02-24 Dispositif de pilotage par transducteur piezoelectrique des deplacements d'un element mobile faisant partie d'un amortisseur de choc telescopique par rapport a une partie fixe Expired FR2594755B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67139/86A IT1187955B (it) 1986-02-24 1986-02-24 Dispositivo rilevatore degli spostamenti di un organo mobile di un ammortizzatore telescopico per autoveicoli rispetto ad una parte fissa

Publications (2)

Publication Number Publication Date
FR2594755A3 FR2594755A3 (fr) 1987-08-28
FR2594755B3 true FR2594755B3 (fr) 1988-02-05

Family

ID=11299908

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8702383A Expired FR2594755B3 (fr) 1986-02-24 1987-02-24 Dispositif de pilotage par transducteur piezoelectrique des deplacements d'un element mobile faisant partie d'un amortisseur de choc telescopique par rapport a une partie fixe

Country Status (6)

Country Link
JP (1) JPH0348430Y2 (fr)
BR (1) BR6700410U (fr)
DE (1) DE8702817U1 (fr)
ES (1) ES1001897Y (fr)
FR (1) FR2594755B3 (fr)
IT (1) IT1187955B (fr)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5217095A (en) * 1986-06-05 1993-06-08 Monroe Auto Equipment Company Method and apparatus for absorbing mechanical shock
CA1263414A (fr) * 1986-06-05 1989-11-28 Magnus Lizell Dispositif a etrangleur pour fluides de pression hydraulique dans des mecanismes amortisseurs de chocs
US4867475A (en) * 1988-02-16 1989-09-19 Monroe Auto Equipment Company Method and apparatus for controlling shock absorbers
US4890858A (en) * 1988-02-16 1990-01-02 Monroe Auto Equipment Company Method and apparatus for controlling shock absorbers
US4815575A (en) * 1988-04-04 1989-03-28 General Motors Corporation Electric, variable damping vehicle suspension
US5000478A (en) * 1990-03-15 1991-03-19 Monroe Auto Equipment Company Shock absorber with Doppler fluid velocity sensor
US4995635A (en) * 1990-03-21 1991-02-26 Monroe Auto Equipment Company Ultrasonic Doppler velocity sensing within a hydraulic actuator
US5104144A (en) * 1990-09-25 1992-04-14 Monroe Auto Equipment Company Shock absorber with sonar position sensor
US5125681A (en) * 1990-11-26 1992-06-30 Monroe Auto Equipment Company Method and apparatus for determining the displacement of a piston within a shock absorber
US5434782A (en) * 1991-05-20 1995-07-18 General Motors Corporation Suspension system state observer
US5276621A (en) * 1991-05-20 1994-01-04 General Motors Corporation Quarter car variable force suspension system control
US5570289A (en) * 1995-03-27 1996-10-29 General Motors Corporation Vehicle suspension control with wheel and body demand force phase determination
US5570288A (en) * 1995-03-27 1996-10-29 General Motors Corporation Vehicle suspension control using a scaled wheel demand force
US5606503A (en) * 1995-03-27 1997-02-25 General Motors Corporation Suspension system control responsive to ambient temperature
US5559700A (en) * 1995-03-27 1996-09-24 General Motors Corporation Continuously variable damping system
DE19700966C1 (de) * 1997-01-14 1998-04-23 Contitech Luftfedersyst Gmbh Einrichtung zur berührungslosen Abstands- und Druckmessung innerhalb einer Luftfeder
DE19710311C2 (de) * 1997-03-13 1999-09-23 Opel Adam Ag Schwingungsdämpfer für Kraftfahrzeuge
DE19801054C1 (de) 1998-01-14 1999-07-29 Mannesmann Sachs Ag Kolben-Zylinderaggregat mit einer Bewegungserfassungseinrichtung
DE19807701C1 (de) * 1998-02-24 1999-08-05 Mannesmann Sachs Ag Positionsmeßeinrichtung bei einem Kolben-Zylinderaggregat
DE19820877C2 (de) * 1998-05-09 2002-09-19 Contitech Luftfedersyst Gmbh Berührungslose Abstands- und Druckmessung innerhalb einer Luftfeder
US8160774B2 (en) 2008-10-15 2012-04-17 GM Global Technology Operations LLC Vehicular actuator system
JP5246495B2 (ja) * 2008-10-31 2013-07-24 日立オートモティブシステムズ株式会社 液圧緩衝器
US8174377B2 (en) 2008-11-14 2012-05-08 GM Global Technology Operations LLC Suspension height sensor
US8175770B2 (en) 2008-11-17 2012-05-08 GM Global Technology Operations LLC Height sensing system for a vehicular suspension assembly
US8253281B2 (en) 2009-02-27 2012-08-28 GM Global Technology Operations LLC Energy harvesting apparatus incorporated into shock absorber
US8143766B2 (en) 2009-02-27 2012-03-27 GM Global Technology Operations LLC Harvesting energy from vehicular vibrations using piezoelectric devices
US7936113B2 (en) * 2009-02-27 2011-05-03 GM Global Technology Operations LLC Harvesting energy from vehicular vibrations using piezoelectric devices
US8063498B2 (en) 2009-02-27 2011-11-22 GM Global Technology Operations LLC Harvesting energy from vehicular vibrations
US7956797B2 (en) 2009-03-09 2011-06-07 GM Global Technology Operations LLC System and method for measuring a relative distance between vehicle components using ultra-wideband techniques
DE102009048625B4 (de) * 2009-10-06 2015-05-21 Audi Ag Kraftfahrzeug mit Dämpfervorrichtung, Dämpfervorrichtung sowie Bauteil für Dämpfvorrichtung
US8614518B2 (en) 2009-10-14 2013-12-24 GM Global Technology Operations LLC Self-powered vehicle sensor systems
DE102013009614A1 (de) * 2013-06-06 2014-12-11 Hydac Electronic Gmbh Ultraschall-Wegmesssystem und Verfahren zur Ultraschall-Wegmessung
DE102014205042A1 (de) * 2014-03-19 2015-09-24 Robert Bosch Gmbh Hydraulikzylinder mit Ultraschallsensoren
CN111677808A (zh) * 2020-06-15 2020-09-18 四川大学 一种双出杆无补偿气室对称式自供能的电流变液阻尼器

Also Published As

Publication number Publication date
IT8667139A1 (it) 1987-08-24
BR6700410U (pt) 1987-12-15
JPS62156636U (fr) 1987-10-05
JPH0348430Y2 (fr) 1991-10-16
ES1001897U (es) 1988-05-16
IT8667139A0 (it) 1986-02-24
ES1001897Y (es) 1989-01-16
FR2594755A3 (fr) 1987-08-28
IT1187955B (it) 1987-12-23
DE8702817U1 (de) 1987-05-14

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