DE3062801D1 - Surface acoustic wave pressure sensor, its use in the ignition system of an internal-combustion engine and in a flowmeter - Google Patents

Surface acoustic wave pressure sensor, its use in the ignition system of an internal-combustion engine and in a flowmeter

Info

Publication number
DE3062801D1
DE3062801D1 DE8080400390T DE3062801T DE3062801D1 DE 3062801 D1 DE3062801 D1 DE 3062801D1 DE 8080400390 T DE8080400390 T DE 8080400390T DE 3062801 T DE3062801 T DE 3062801T DE 3062801 D1 DE3062801 D1 DE 3062801D1
Authority
DE
Germany
Prior art keywords
flowmeter
internal
combustion engine
pressure sensor
acoustic wave
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
DE8080400390T
Other languages
German (de)
English (en)
Inventor
Pierre Hartemann
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Application granted granted Critical
Publication of DE3062801D1 publication Critical patent/DE3062801D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
    • G01L9/0022—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a piezoelectric element
    • G01L9/0025—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a piezoelectric element with acoustic surface waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Revetment (AREA)
DE8080400390T 1979-04-18 1980-03-21 Surface acoustic wave pressure sensor, its use in the ignition system of an internal-combustion engine and in a flowmeter Expired DE3062801D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7909726A FR2454616A1 (fr) 1979-04-18 1979-04-18 Capteur de pression a ondes elastiques de surface et systeme d'allumage pour moteur a combustion interne mettant en oeuvre ce capteur

Publications (1)

Publication Number Publication Date
DE3062801D1 true DE3062801D1 (en) 1983-05-26

Family

ID=9224420

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080400390T Expired DE3062801D1 (en) 1979-04-18 1980-03-21 Surface acoustic wave pressure sensor, its use in the ignition system of an internal-combustion engine and in a flowmeter

Country Status (6)

Country Link
US (1) US4326423A (https=)
EP (1) EP0018248B1 (https=)
JP (1) JPS55141646A (https=)
DE (1) DE3062801D1 (https=)
FR (1) FR2454616A1 (https=)
NO (1) NO801110L (https=)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2466763A1 (fr) * 1979-09-28 1981-04-10 Thomson Csf Capteur de pression a ondes elastiques de surface et senseur de pression pour un tel capteur
FR2467388A1 (fr) * 1979-10-12 1981-04-17 Thomson Csf Dispositif de mesure de debit d'un fluide et systeme senseur du debit d'air dans un moteur a combustion interne mettant en oeuvre un tel dispositif
FR2522813A1 (fr) * 1982-03-03 1983-09-09 Auxitrol Tete de detection de niveau par effet hydrostatique avec protection
US4565096A (en) * 1983-12-09 1986-01-21 Rosemount Inc. Pressure transducer
US4790192A (en) * 1987-09-24 1988-12-13 Rosemount Inc. Silicon side by side coplanar pressure sensors
US5712424A (en) * 1996-03-25 1998-01-27 The United States Of America As Represented By The Secretary Of The Navy Method and apparatus for measuring diesel engine cylinder pressure
DE19637392A1 (de) * 1996-09-13 1998-03-26 Siemens Ag Drucksensor unter Verwendung von mit akustischen Oberflächenwellen arbeitenden Elementen - OFW-Elemente -
US6279405B1 (en) * 1999-06-07 2001-08-28 Kenneth K. Clark Apparatus and method for a pressure monitoring device
GB2352814B (en) * 1999-07-28 2003-04-09 Transense Technologies Plc Pressure monitor system
GB2355801B (en) * 1999-10-29 2003-07-30 Transense Technologies Plc Interrogation of surface acoustical wave devices
US20040154383A1 (en) * 2002-12-11 2004-08-12 Woolf Darin Kent Multiple indicator flow meter system
US7000298B2 (en) * 2004-04-20 2006-02-21 Honeywell International Inc. Method a quartz sensor
US7165455B2 (en) * 2004-12-18 2007-01-23 Honeywell International Inc. Surface acoustic wave sensor methods and systems
GB2426590B (en) 2005-05-26 2009-01-14 Transense Technologies Plc Pressure sensor
US9715130B2 (en) 2014-08-21 2017-07-25 Johnson & Johnson Vision Care, Inc. Methods and apparatus to form separators for biocompatible energization elements for biomedical devices

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978731A (en) * 1974-02-25 1976-09-07 United Technologies Corporation Surface acoustic wave transducer
GB1483344A (en) * 1974-08-05 1977-08-17 Marconi Co Ltd Pressure sensitive devices
US4100811A (en) * 1977-03-18 1978-07-18 United Technologies Corporation Differential surface acoustic wave transducer
US4216401A (en) * 1978-12-22 1980-08-05 United Technologies Corporation Surface acoustic wave (SAW) pressure sensor structure

Also Published As

Publication number Publication date
FR2454616A1 (fr) 1980-11-14
NO801110L (no) 1980-10-20
FR2454616B1 (https=) 1982-08-20
US4326423A (en) 1982-04-27
EP0018248A1 (fr) 1980-10-29
JPS55141646A (en) 1980-11-05
EP0018248B1 (fr) 1983-04-20

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee