FR2522818B1 - - Google Patents

Info

Publication number
FR2522818B1
FR2522818B1 FR8203575A FR8203575A FR2522818B1 FR 2522818 B1 FR2522818 B1 FR 2522818B1 FR 8203575 A FR8203575 A FR 8203575A FR 8203575 A FR8203575 A FR 8203575A FR 2522818 B1 FR2522818 B1 FR 2522818B1
Authority
FR
France
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
FR8203575A
Other languages
French (fr)
Other versions
FR2522818A1 (fr
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.)
Renault SAS
Regie Nationale des Usines Renault
Original Assignee
Renault SAS
Regie Nationale des Usines Renault
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 Renault SAS, Regie Nationale des Usines Renault filed Critical Renault SAS
Priority to FR8203575A priority Critical patent/FR2522818A1/fr
Publication of FR2522818A1 publication Critical patent/FR2522818A1/fr
Application granted granted Critical
Publication of FR2522818B1 publication Critical patent/FR2522818B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
    • G01L23/22—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
    • G01L23/221—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines
    • G01L23/222—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines using piezoelectric devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/09—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by piezoelectric pick-up
    • G01P15/0907—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by piezoelectric pick-up of the compression mode type

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
FR8203575A 1982-03-04 1982-03-04 Capteur de cliquetis et procede d'assemblage, avec reglage de la sensibilite d'un tel capteur Granted FR2522818A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8203575A FR2522818A1 (fr) 1982-03-04 1982-03-04 Capteur de cliquetis et procede d'assemblage, avec reglage de la sensibilite d'un tel capteur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8203575A FR2522818A1 (fr) 1982-03-04 1982-03-04 Capteur de cliquetis et procede d'assemblage, avec reglage de la sensibilite d'un tel capteur

Publications (2)

Publication Number Publication Date
FR2522818A1 FR2522818A1 (fr) 1983-09-09
FR2522818B1 true FR2522818B1 (pl) 1984-08-03

Family

ID=9271573

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8203575A Granted FR2522818A1 (fr) 1982-03-04 1982-03-04 Capteur de cliquetis et procede d'assemblage, avec reglage de la sensibilite d'un tel capteur

Country Status (1)

Country Link
FR (1) FR2522818A1 (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0512740Y2 (pl) * 1988-01-11 1993-04-02
US5329809A (en) * 1993-04-22 1994-07-19 General Motors Corporation Non-intrusive cylinder pressure sensor
DE19727702A1 (de) * 1997-06-30 1999-01-07 Bosch Gmbh Robert Druckhülse für Schwingungsaufnehmer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3075098A (en) * 1957-12-26 1963-01-22 Endevco Corp Accelerometer
CH434802A (de) * 1965-04-13 1967-04-30 Kistler Instrumente Ag Piezoelektrischer Messwandler mit einer elastischen Spannhülse zur Aufnahme des piezoelektrischen Kristallsatzes
US3349259A (en) * 1965-05-27 1967-10-24 Kistler Instr Corp Piezoelectric pressure transducer
DE2207831A1 (de) * 1972-02-19 1973-08-23 Dynamit Nobel Ag Elektronischer sensor zum ausloesen von sicherheitseinrichtungen beim aufprall von fahrzeugen
US4225802A (en) * 1978-02-23 1980-09-30 Nippondenso Co., Ltd. Piezoelectric knocking detector for internal combustion engine
FR2463413A1 (fr) * 1979-08-10 1981-02-20 Marchal Equipements Automobile Accelerometre piezo-electrique
DE2946434A1 (de) * 1979-11-17 1981-05-27 Robert Bosch Gmbh, 7000 Stuttgart Beschleunigungssensor

Also Published As

Publication number Publication date
FR2522818A1 (fr) 1983-09-09

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Legal Events

Date Code Title Description
ST Notification of lapse