IT1231361B - Accelerometro, in particolare per la rivelazione di battiti di un motore a combustione interna - Google Patents

Accelerometro, in particolare per la rivelazione di battiti di un motore a combustione interna

Info

Publication number
IT1231361B
IT1231361B IT8947906A IT4790689A IT1231361B IT 1231361 B IT1231361 B IT 1231361B IT 8947906 A IT8947906 A IT 8947906A IT 4790689 A IT4790689 A IT 4790689A IT 1231361 B IT1231361 B IT 1231361B
Authority
IT
Italy
Prior art keywords
beats
accelerometer
detection
combustion engine
internal combustion
Prior art date
Application number
IT8947906A
Other languages
English (en)
Other versions
IT8947906A0 (it
Inventor
Jacques Ferry
Original Assignee
Marchal Equip Auto
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 Marchal Equip Auto filed Critical Marchal Equip Auto
Publication of IT8947906A0 publication Critical patent/IT8947906A0/it
Application granted granted Critical
Publication of IT1231361B publication Critical patent/IT1231361B/it

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)
IT8947906A 1988-05-04 1989-05-03 Accelerometro, in particolare per la rivelazione di battiti di un motore a combustione interna IT1231361B (it)

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
IT8947906A0 IT8947906A0 (it) 1989-05-03
IT1231361B true IT1231361B (it) 1991-12-02

Family

ID=9365976

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8947906A IT1231361B (it) 1988-05-04 1989-05-03 Accelerometro, in particolare per la rivelazione di battiti di un motore a combustione interna

Country Status (2)

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

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
FR2631126B1 (fr) 1991-02-08
IT8947906A0 (it) 1989-05-03
FR2631126A1 (fr) 1989-11-10

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970530