FR2631126B1 - Accelerometre, notamment pour la detection du cliquetis d'un moteur a combustion interne - Google Patents

Accelerometre, notamment pour la detection du cliquetis d'un moteur a combustion interne

Info

Publication number
FR2631126B1
FR2631126B1 FR8805973A FR8805973A FR2631126B1 FR 2631126 B1 FR2631126 B1 FR 2631126B1 FR 8805973 A FR8805973 A FR 8805973A FR 8805973 A FR8805973 A FR 8805973A FR 2631126 B1 FR2631126 B1 FR 2631126B1
Authority
FR
France
Prior art keywords
knock
accelerometer
detecting
combustion engine
internal combustion
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
FR8805973A
Other languages
English (en)
Other versions
FR2631126A1 (fr
Inventor
Jacques Ferry
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.)
Equipements Automobiles Marchal SA
Original Assignee
Equipements Automobiles Marchal 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 Equipements Automobiles Marchal SA filed Critical Equipements Automobiles Marchal SA
Priority to FR8805973A priority Critical patent/FR2631126B1/fr
Priority to IT8947906A priority patent/IT1231361B/it
Publication of FR2631126A1 publication Critical patent/FR2631126A1/fr
Application granted granted Critical
Publication of FR2631126B1 publication Critical patent/FR2631126B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/02—Housings
    • G01P1/023—Housings for acceleration measuring devices
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
FR8805973A 1988-05-04 1988-05-04 Accelerometre, notamment pour la detection du cliquetis d'un moteur a combustion interne Expired - Fee Related FR2631126B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8805973A FR2631126B1 (fr) 1988-05-04 1988-05-04 Accelerometre, notamment pour la detection du cliquetis d'un moteur a combustion interne
IT8947906A IT1231361B (it) 1988-05-04 1989-05-03 Accelerometro, in particolare per la rivelazione di battiti di un motore a combustione interna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8805973A FR2631126B1 (fr) 1988-05-04 1988-05-04 Accelerometre, notamment pour la detection du cliquetis d'un moteur a combustion interne

Publications (2)

Publication Number Publication Date
FR2631126A1 FR2631126A1 (fr) 1989-11-10
FR2631126B1 true FR2631126B1 (fr) 1991-02-08

Family

ID=9365976

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8805973A Expired - Fee Related FR2631126B1 (fr) 1988-05-04 1988-05-04 Accelerometre, notamment pour la detection du cliquetis d'un moteur a combustion interne

Country Status (2)

Country Link
FR (1) FR2631126B1 (fr)
IT (1) IT1231361B (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4343187A (en) * 1979-08-15 1982-08-10 Toyota Jidosha Kogyo Kabushiki Kaisha Sensor with inner protective chamber
JPS57120825A (en) * 1981-01-21 1982-07-28 Hitachi Ltd Sensor for knocking
FR2597209B1 (fr) * 1986-04-14 1988-08-05 Marchal Equip Auto Accelerometre, notamment pour la detection du cliquetis d'un moteur a combustion interne
DE3643956A1 (de) * 1986-12-22 1987-10-15 Bosch Gmbh Robert Klopfsensor

Also Published As

Publication number Publication date
IT1231361B (it) 1991-12-02
IT8947906A0 (it) 1989-05-03
FR2631126A1 (fr) 1989-11-10

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Legal Events

Date Code Title Description
ST Notification of lapse