JPS56103345A - Knocking detector for internal combustion engine - Google Patents

Knocking detector for internal combustion engine

Info

Publication number
JPS56103345A
JPS56103345A JP590380A JP590380A JPS56103345A JP S56103345 A JPS56103345 A JP S56103345A JP 590380 A JP590380 A JP 590380A JP 590380 A JP590380 A JP 590380A JP S56103345 A JPS56103345 A JP S56103345A
Authority
JP
Japan
Prior art keywords
reed
knocking
vibrations
detector
coil
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.)
Granted
Application number
JP590380A
Other languages
Japanese (ja)
Other versions
JPS647328B2 (en
Inventor
Kimiaki Yamaguchi
Tadashi Hattori
Yoshinori Otsuka
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.)
Soken Inc
Original Assignee
Nippon Soken Inc
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 Nippon Soken Inc filed Critical Nippon Soken Inc
Priority to JP590380A priority Critical patent/JPS56103345A/en
Publication of JPS56103345A publication Critical patent/JPS56103345A/en
Publication of JPS647328B2 publication Critical patent/JPS647328B2/ja
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
    • G01L23/223—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 magnetic or magnetostrictive means

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)
  • Electrical Control Of Ignition Timing (AREA)

Abstract

PURPOSE:To improve knocking detection performance by so constituting the detector that it has plural resonance frequencies within a frequency band where knocking occurs. CONSTITUTION:A reed 21 consisting of magnetic-material-made reed pieces 21A, 21B which are made by blanking a flat sheet and have plural resonance points within a frequency band where knocking occurs is prepared. A core 23 assembled with the reed 21, magnet 22 and coil 24 is fixed to the supporting part 25b of a housing 25 by means of screws 211, and a retaining metal 26 etc. Then, if a detector 2 is mounted to a cylinder block or the like by means of a screw part 25a, the vibrations of the knocking caused in the cylinder block are transmitted via the housing 25 to the reed 21 and the reed pieces 21A, 21B vibrate in correspondence to the knocking vibrations, the vibrations whereof are detected by the coil 24, and are outputted by a lead wire 212 to a knocking detecting circuit. Hence, the vibration detection output in the respective resonance frequencies is regulated uniformly and the intended object is achieved by the simple constitution entailing variation in the shape of the reed parts.
JP590380A 1980-01-21 1980-01-21 Knocking detector for internal combustion engine Granted JPS56103345A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP590380A JPS56103345A (en) 1980-01-21 1980-01-21 Knocking detector for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP590380A JPS56103345A (en) 1980-01-21 1980-01-21 Knocking detector for internal combustion engine

Publications (2)

Publication Number Publication Date
JPS56103345A true JPS56103345A (en) 1981-08-18
JPS647328B2 JPS647328B2 (en) 1989-02-08

Family

ID=11623849

Family Applications (1)

Application Number Title Priority Date Filing Date
JP590380A Granted JPS56103345A (en) 1980-01-21 1980-01-21 Knocking detector for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS56103345A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5667731A (en) * 1979-11-06 1981-06-08 Nissan Motor Co Ltd Knocking sensor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5667731A (en) * 1979-11-06 1981-06-08 Nissan Motor Co Ltd Knocking sensor

Also Published As

Publication number Publication date
JPS647328B2 (en) 1989-02-08

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