DE2829246C2 - - Google Patents

Info

Publication number
DE2829246C2
DE2829246C2 DE19782829246 DE2829246A DE2829246C2 DE 2829246 C2 DE2829246 C2 DE 2829246C2 DE 19782829246 DE19782829246 DE 19782829246 DE 2829246 A DE2829246 A DE 2829246A DE 2829246 C2 DE2829246 C2 DE 2829246C2
Authority
DE
Germany
Prior art keywords
electrode
internal combustion
pulse width
knocking
time interval
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
Application number
DE19782829246
Other languages
German (de)
English (en)
Other versions
DE2829246A1 (de
Inventor
Alfred Dipl.-Ing. 7141 Oberriexingen De Schulz
Heinz Dipl.-Ing. Dr. 3300 Braunschweig De Theuerkauf
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE19782829246 priority Critical patent/DE2829246A1/de
Publication of DE2829246A1 publication Critical patent/DE2829246A1/de
Application granted granted Critical
Publication of DE2829246C2 publication Critical patent/DE2829246C2/de
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
    • G01L23/222—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

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)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Testing Of Engines (AREA)
DE19782829246 1978-07-04 1978-07-04 Einrichtung zur erfassung der beim klopfen einer brennkraftmaschine auftretenden schwingungen Granted DE2829246A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19782829246 DE2829246A1 (de) 1978-07-04 1978-07-04 Einrichtung zur erfassung der beim klopfen einer brennkraftmaschine auftretenden schwingungen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782829246 DE2829246A1 (de) 1978-07-04 1978-07-04 Einrichtung zur erfassung der beim klopfen einer brennkraftmaschine auftretenden schwingungen

Publications (2)

Publication Number Publication Date
DE2829246A1 DE2829246A1 (de) 1980-01-17
DE2829246C2 true DE2829246C2 (US06566495-20030520-M00011.png) 1987-05-21

Family

ID=6043460

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782829246 Granted DE2829246A1 (de) 1978-07-04 1978-07-04 Einrichtung zur erfassung der beim klopfen einer brennkraftmaschine auftretenden schwingungen

Country Status (1)

Country Link
DE (1) DE2829246A1 (US06566495-20030520-M00011.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2841553C2 (de) * 1978-09-23 1982-08-26 Robert Bosch Gmbh, 7000 Stuttgart Biegeschwinger-Klopfsensor
DE3013770A1 (de) * 1980-04-10 1981-10-29 Robert Bosch Gmbh, 7000 Stuttgart Sensor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT993371B (it) * 1973-09-24 1975-09-30 Snam Progetti Sistema automatico di soppressione del rumore di fondo su apparecchia ture per la misura del battito in testa
DE2801969C2 (de) * 1978-01-18 1982-11-04 Robert Bosch Gmbh, 7000 Stuttgart Sensor für Schwingungen

Also Published As

Publication number Publication date
DE2829246A1 (de) 1980-01-17

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee