JPS57199919A - Knocking detector - Google Patents

Knocking detector

Info

Publication number
JPS57199919A
JPS57199919A JP8608981A JP8608981A JPS57199919A JP S57199919 A JPS57199919 A JP S57199919A JP 8608981 A JP8608981 A JP 8608981A JP 8608981 A JP8608981 A JP 8608981A JP S57199919 A JPS57199919 A JP S57199919A
Authority
JP
Japan
Prior art keywords
signals
knocking
noise
gate
circuits
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
JP8608981A
Other languages
English (en)
Japanese (ja)
Other versions
JPS622244B2 (enrdf_load_stackoverflow
Inventor
Ichiro Maki
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP8608981A priority Critical patent/JPS57199919A/ja
Publication of JPS57199919A publication Critical patent/JPS57199919A/ja
Publication of JPS622244B2 publication Critical patent/JPS622244B2/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)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Testing Of Engines (AREA)
  • Electrical Control Of Ignition Timing (AREA)
JP8608981A 1981-06-03 1981-06-03 Knocking detector Granted JPS57199919A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8608981A JPS57199919A (en) 1981-06-03 1981-06-03 Knocking detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8608981A JPS57199919A (en) 1981-06-03 1981-06-03 Knocking detector

Publications (2)

Publication Number Publication Date
JPS57199919A true JPS57199919A (en) 1982-12-08
JPS622244B2 JPS622244B2 (enrdf_load_stackoverflow) 1987-01-19

Family

ID=13876977

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8608981A Granted JPS57199919A (en) 1981-06-03 1981-06-03 Knocking detector

Country Status (1)

Country Link
JP (1) JPS57199919A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57208432A (en) * 1981-06-19 1982-12-21 Toyota Motor Corp Knocking detector for internal combustion engine
JPS59126073A (ja) * 1982-12-30 1984-07-20 Mazda Motor Corp エンジンの点火時期制御装置
US4761992A (en) * 1987-06-09 1988-08-09 Brunswick Corporation Knock detection circuit with gated automatic gain control
US4763625A (en) * 1987-06-09 1988-08-16 Brunswick Corporation Cold start fuel enrichment circuit
US4777913A (en) * 1987-06-09 1988-10-18 Brunswick Corporation Auxiliary fuel supply system
JPH01152319A (ja) * 1987-12-09 1989-06-14 Mazda Motor Corp エンジンのノッキング検出装置

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57208432A (en) * 1981-06-19 1982-12-21 Toyota Motor Corp Knocking detector for internal combustion engine
JPS59126073A (ja) * 1982-12-30 1984-07-20 Mazda Motor Corp エンジンの点火時期制御装置
US4761992A (en) * 1987-06-09 1988-08-09 Brunswick Corporation Knock detection circuit with gated automatic gain control
US4763625A (en) * 1987-06-09 1988-08-16 Brunswick Corporation Cold start fuel enrichment circuit
US4777913A (en) * 1987-06-09 1988-10-18 Brunswick Corporation Auxiliary fuel supply system
WO1988009922A1 (en) * 1987-06-09 1988-12-15 Brunswick Corporation Knock detection circuit with gated automatic gain control
JPH01152319A (ja) * 1987-12-09 1989-06-14 Mazda Motor Corp エンジンのノッキング検出装置

Also Published As

Publication number Publication date
JPS622244B2 (enrdf_load_stackoverflow) 1987-01-19

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