JPS57175938A - Knocking detector for internal combustion engine - Google Patents

Knocking detector for internal combustion engine

Info

Publication number
JPS57175938A
JPS57175938A JP6143081A JP6143081A JPS57175938A JP S57175938 A JPS57175938 A JP S57175938A JP 6143081 A JP6143081 A JP 6143081A JP 6143081 A JP6143081 A JP 6143081A JP S57175938 A JPS57175938 A JP S57175938A
Authority
JP
Japan
Prior art keywords
frequency
knocking
signal
band
voltage
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
JP6143081A
Other languages
English (en)
Japanese (ja)
Other versions
JPH022529B2 (enrdf_load_stackoverflow
Inventor
Tetsuo Yoshida
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.)
Tokin Corp
Original Assignee
Tohoku Metal Industries Ltd
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 Tohoku Metal Industries Ltd filed Critical Tohoku Metal Industries Ltd
Priority to JP6143081A priority Critical patent/JPS57175938A/ja
Publication of JPS57175938A publication Critical patent/JPS57175938A/ja
Publication of JPH022529B2 publication Critical patent/JPH022529B2/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
    • G01L23/225—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 circuit arrangements therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Electrical Control Of Ignition Timing (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Testing Of Engines (AREA)
JP6143081A 1981-04-24 1981-04-24 Knocking detector for internal combustion engine Granted JPS57175938A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6143081A JPS57175938A (en) 1981-04-24 1981-04-24 Knocking detector for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6143081A JPS57175938A (en) 1981-04-24 1981-04-24 Knocking detector for internal combustion engine

Publications (2)

Publication Number Publication Date
JPS57175938A true JPS57175938A (en) 1982-10-29
JPH022529B2 JPH022529B2 (enrdf_load_stackoverflow) 1990-01-18

Family

ID=13170838

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6143081A Granted JPS57175938A (en) 1981-04-24 1981-04-24 Knocking detector for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS57175938A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5333489A (en) * 1990-03-15 1994-08-02 Robert Bosch Gmbh Circuit arrangement to detect knocking

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51136042A (en) * 1975-05-20 1976-11-25 Nissan Motor Co Ltd Internal combustion engine nocking automatic pursuit device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51136042A (en) * 1975-05-20 1976-11-25 Nissan Motor Co Ltd Internal combustion engine nocking automatic pursuit device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5333489A (en) * 1990-03-15 1994-08-02 Robert Bosch Gmbh Circuit arrangement to detect knocking

Also Published As

Publication number Publication date
JPH022529B2 (enrdf_load_stackoverflow) 1990-01-18

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