DE69118866D1 - Stossdämpfer mit sonar-lagesensor - Google Patents

Stossdämpfer mit sonar-lagesensor

Info

Publication number
DE69118866D1
DE69118866D1 DE69118866T DE69118866T DE69118866D1 DE 69118866 D1 DE69118866 D1 DE 69118866D1 DE 69118866 T DE69118866 T DE 69118866T DE 69118866 T DE69118866 T DE 69118866T DE 69118866 D1 DE69118866 D1 DE 69118866D1
Authority
DE
Germany
Prior art keywords
position sensor
shock absorber
sonar position
sonar
absorber
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 - Fee Related
Application number
DE69118866T
Other languages
English (en)
Other versions
DE69118866T2 (de
Inventor
Michael Bethell
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.)
Tenneco Automotive Inc
Original Assignee
Monroe Auto Equipment Co
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 Monroe Auto Equipment Co filed Critical Monroe Auto Equipment Co
Publication of DE69118866D1 publication Critical patent/DE69118866D1/de
Application granted granted Critical
Publication of DE69118866T2 publication Critical patent/DE69118866T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/20—Type of damper
    • B60G2202/24—Fluid damper
    • 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
    • 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
    • B60G2400/90—Other conditions or factors
    • B60G2400/91—Frequency
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2401/00—Indexing codes relating to the type of sensors based on the principle of their operation
    • B60G2401/15—Doppler effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2401/00—Indexing codes relating to the type of sensors based on the principle of their operation
    • B60G2401/17—Magnetic/Electromagnetic
    • B60G2401/176—Radio or audio sensitive means, e.g. Ultrasonic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/10—Damping action or damper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/90—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems other signal treatment means
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Fluid-Damping Devices (AREA)
DE69118866T 1990-09-25 1991-09-25 Stossdämpfer mit sonar-lagesensor Expired - Fee Related DE69118866T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/587,981 US5104144A (en) 1990-09-25 1990-09-25 Shock absorber with sonar position sensor
PCT/US1991/007034 WO1992005042A1 (en) 1990-09-25 1991-09-25 Shock absorber with sonar position sensor

Publications (2)

Publication Number Publication Date
DE69118866D1 true DE69118866D1 (de) 1996-05-23
DE69118866T2 DE69118866T2 (de) 1996-11-28

Family

ID=24351973

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69118866T Expired - Fee Related DE69118866T2 (de) 1990-09-25 1991-09-25 Stossdämpfer mit sonar-lagesensor

Country Status (5)

Country Link
US (1) US5104144A (de)
EP (1) EP0502184B1 (de)
JP (1) JP2977898B2 (de)
DE (1) DE69118866T2 (de)
WO (1) WO1992005042A1 (de)

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US5545889A (en) * 1985-02-28 1996-08-13 Swartz; Jerome Portable laser diode scanning head
US5579229A (en) * 1995-03-27 1996-11-26 General Motors Corporation Temperature responsive suspension system control
DE19648112C1 (de) * 1996-11-21 1998-03-05 Contitech Luftfedersyst Gmbh Einrichtung zur berührungslosen Abstandsmessung
US5901633A (en) * 1996-11-27 1999-05-11 Case Corporation Method and apparatus for sensing piston position using a dipstick assembly
US6142059A (en) * 1996-11-27 2000-11-07 Case Corporation Method and apparatus for sensing the orientation of a mechanical actuator
US5977778A (en) * 1996-11-27 1999-11-02 Case Corporation Method and apparatus for sensing piston position
US6005395A (en) * 1997-11-12 1999-12-21 Case Corporation Method and apparatus for sensing piston position
DE19801054C1 (de) * 1998-01-14 1999-07-29 Mannesmann Sachs Ag Kolben-Zylinderaggregat mit einer Bewegungserfassungseinrichtung
JPH11292499A (ja) * 1998-04-10 1999-10-26 Toyota Autom Loom Works Ltd フォークリフトのリフトシリンダ及びマスト装置
WO2001066954A2 (en) * 2000-03-08 2001-09-13 Rosemount Inc. Piston position measuring device
EP1269027B1 (de) 2000-03-08 2005-07-27 Rosemount Inc. Bidirektionaler differenzdruck- durchflusssensor
US20010037689A1 (en) * 2000-03-08 2001-11-08 Krouth Terrance F. Hydraulic actuator piston measurement apparatus and method
US20010037724A1 (en) 2000-03-08 2001-11-08 Schumacher Mark S. System for controlling hydraulic actuator
DE10051825A1 (de) * 2000-10-19 2002-04-25 Contitech Luftfedersyst Gmbh Kraftfahrzeug-Luftfedersystem mit Ultraschall-Messanordnung
US6588313B2 (en) 2001-05-16 2003-07-08 Rosemont Inc. Hydraulic piston position sensor
US6722261B1 (en) 2002-12-11 2004-04-20 Rosemount Inc. Hydraulic piston position sensor signal processing
US6722260B1 (en) 2002-12-11 2004-04-20 Rosemount Inc. Hydraulic piston position sensor
US7942248B2 (en) * 2002-12-31 2011-05-17 Lord Corporation Adjustable damping control with end stop
JP2004328399A (ja) * 2003-04-24 2004-11-18 Denso Corp 車載カメラ装置
JP2005112155A (ja) * 2003-10-08 2005-04-28 Hitachi Ltd サスペンション装置
FR2869103B1 (fr) * 2004-04-19 2006-09-22 Messier Dowty Sa Sa Procede de mesure d'enfoncement d'un amortisseur, et atterrisseur d'aeronef faisant application
US7387181B2 (en) * 2004-10-04 2008-06-17 Associated Spring Raymond Hood lift system
DE102008042751A1 (de) * 2008-10-10 2010-04-15 Robert Bosch Gmbh Dämpfer für ein Fahrzeug und Betriebsverfahren für einen Fahrzeugdämpfer
GB2496426B (en) 2011-11-11 2013-12-25 Messier Dowty Ltd Gauge
US11307069B2 (en) 2020-03-06 2022-04-19 Woodward, Inc. Ultrasonic flow meter in a bypass channel coupled in parallel with a flow tube
US20220042836A1 (en) 2020-08-07 2022-02-10 Woodward, Inc. Ultrasonic Flow Meter Flow Control
US11668818B2 (en) 2020-08-07 2023-06-06 Woodward, Inc. Ultrasonic position sensor
EP4308888A1 (de) 2021-03-17 2024-01-24 Woodward, Inc. Ultraschall-massenbrennstoff-durchflussmesser

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1525720A (en) * 1975-12-20 1978-09-20 Univ Cardiff Distance measuring apparatus
US4090407A (en) * 1977-09-19 1978-05-23 T. W. Salisbury, III Water level measurement device
DE3031980A1 (de) * 1980-08-25 1982-04-01 Johannes 8000 München König Verfahren und einrichtung zur bestimmung eines relativabstands bei einer zylinder-kolben-einheit
US4595072A (en) * 1983-10-27 1986-06-17 Daniel Barnea Vehicle suspension system
US4550286A (en) * 1984-01-12 1985-10-29 Ford Motor Company Onboard method of detecting electrical faults in a vehicular air suspension system
DE3423602A1 (de) * 1984-06-27 1986-01-09 Robert Bosch Gmbh, 7000 Stuttgart Messvorrichtung fuer den abstand zwischen der karosserie und der achse eines fahrzeugs
DE3434877A1 (de) * 1984-09-22 1986-04-17 Boge Gmbh, 5208 Eitorf Hydraulischer, regelbarer stossdaempfer
IT1209599B (it) * 1984-11-15 1989-08-30 Siette Spa Sistema di rilevamento di livello per veicoli.
JPS61172080A (ja) * 1985-01-28 1986-08-02 Nissan Motor Co Ltd 超音波測定装置
GB8516765D0 (en) * 1985-07-02 1985-08-07 Dunlop Ltd Suspension systems
IT1187955B (it) * 1986-02-24 1987-12-23 Marelli Autronica Dispositivo rilevatore degli spostamenti di un organo mobile di un ammortizzatore telescopico per autoveicoli rispetto ad una parte fissa
JP2587631B2 (ja) * 1987-03-20 1997-03-05 トキコ株式会社 車高調整装置
JP2578836B2 (ja) * 1987-10-19 1997-02-05 日産自動車株式会社 自動車の車高調整装置
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

Also Published As

Publication number Publication date
EP0502184A1 (de) 1992-09-09
JP2977898B2 (ja) 1999-11-15
WO1992005042A1 (en) 1992-04-02
EP0502184A4 (en) 1993-06-09
JPH05502646A (ja) 1993-05-13
US5104144A (en) 1992-04-14
DE69118866T2 (de) 1996-11-28
EP0502184B1 (de) 1996-04-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: TENNECO AUTOMOTIVE INC., MONROE, MICH., US

8339 Ceased/non-payment of the annual fee