FR2632731B1 - ACCELEROMETER, PARTICULARLY FOR DETECTING THE KNOCK OF AN INTERNAL COMBUSTION ENGINE - Google Patents

ACCELEROMETER, PARTICULARLY FOR DETECTING THE KNOCK OF AN INTERNAL COMBUSTION ENGINE

Info

Publication number
FR2632731B1
FR2632731B1 FR8807690A FR8807690A FR2632731B1 FR 2632731 B1 FR2632731 B1 FR 2632731B1 FR 8807690 A FR8807690 A FR 8807690A FR 8807690 A FR8807690 A FR 8807690A FR 2632731 B1 FR2632731 B1 FR 2632731B1
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
FR8807690A
Other languages
French (fr)
Other versions
FR2632731A1 (en
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 FR8807690A priority Critical patent/FR2632731B1/en
Priority to IT8948052A priority patent/IT1231559B/en
Publication of FR2632731A1 publication Critical patent/FR2632731A1/en
Application granted granted Critical
Publication of FR2632731B1 publication Critical patent/FR2632731B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01P1/00—Details of instruments
    • G01P1/02—Housings
    • G01P1/023—Housings for acceleration measuring 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)
FR8807690A 1988-06-09 1988-06-09 ACCELEROMETER, PARTICULARLY FOR DETECTING THE KNOCK OF AN INTERNAL COMBUSTION ENGINE Expired - Fee Related FR2632731B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8807690A FR2632731B1 (en) 1988-06-09 1988-06-09 ACCELEROMETER, PARTICULARLY FOR DETECTING THE KNOCK OF AN INTERNAL COMBUSTION ENGINE
IT8948052A IT1231559B (en) 1988-06-09 1989-06-07 ACCELEROMETER, IN PARTICULAR TO DETECT THE CLICK OF AN INTERNAL COMBUSTION ENGINE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8807690A FR2632731B1 (en) 1988-06-09 1988-06-09 ACCELEROMETER, PARTICULARLY FOR DETECTING THE KNOCK OF AN INTERNAL COMBUSTION ENGINE

Publications (2)

Publication Number Publication Date
FR2632731A1 FR2632731A1 (en) 1989-12-15
FR2632731B1 true FR2632731B1 (en) 1990-08-24

Family

ID=9367111

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8807690A Expired - Fee Related FR2632731B1 (en) 1988-06-09 1988-06-09 ACCELEROMETER, PARTICULARLY FOR DETECTING THE KNOCK OF AN INTERNAL COMBUSTION ENGINE

Country Status (2)

Country Link
FR (1) FR2632731B1 (en)
IT (1) IT1231559B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102829968A (en) * 2012-08-28 2012-12-19 无锡新得宝金属软管有限公司 Automotive corrugated flexible joint road-spectrum acquisition method and acquisition system thereof
CN113295424A (en) * 2021-06-23 2021-08-24 东北农业大学 Automobile engine knock sensor based on fiber grating array

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 (en) * 1986-04-14 1988-08-05 Marchal Equip Auto ACCELEROMETER, PARTICULARLY FOR THE DETECTION OF THE CLICK OF AN INTERNAL COMBUSTION ENGINE
DE3643956A1 (en) * 1986-12-22 1987-10-15 Bosch Gmbh Robert Knock sensor

Also Published As

Publication number Publication date
IT8948052A0 (en) 1989-06-07
FR2632731A1 (en) 1989-12-15
IT1231559B (en) 1991-12-17

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Legal Events

Date Code Title Description
ST Notification of lapse