DE69226025T2 - Device for detecting changes in cylinder pressure - Google Patents

Device for detecting changes in cylinder pressure

Info

Publication number
DE69226025T2
DE69226025T2 DE69226025T DE69226025T DE69226025T2 DE 69226025 T2 DE69226025 T2 DE 69226025T2 DE 69226025 T DE69226025 T DE 69226025T DE 69226025 T DE69226025 T DE 69226025T DE 69226025 T2 DE69226025 T2 DE 69226025T2
Authority
DE
Germany
Prior art keywords
cylinder pressure
detecting changes
detecting
changes
cylinder
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 - Fee Related
Application number
DE69226025T
Other languages
German (de)
Other versions
DE69226025D1 (en
Inventor
Takao Kojima
Yoshiaki Matsubara
Mitsuru Kondo
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.)
Niterra Co Ltd
Original Assignee
NGK Spark Plug 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 NGK Spark Plug Co Ltd filed Critical NGK Spark Plug Co Ltd
Publication of DE69226025D1 publication Critical patent/DE69226025D1/en
Application granted granted Critical
Publication of DE69226025T2 publication Critical patent/DE69226025T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01L23/08—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 operated electrically
    • G01L23/10—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 operated electrically by pressure-sensitive members of the piezoelectric type
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Spark Plugs (AREA)
DE69226025T 1991-04-25 1992-04-08 Device for detecting changes in cylinder pressure Expired - Fee Related DE69226025T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1991039033U JP2535366Y2 (en) 1991-04-25 1991-04-25 Non-rotating structure of pressure sensor

Publications (2)

Publication Number Publication Date
DE69226025D1 DE69226025D1 (en) 1998-07-30
DE69226025T2 true DE69226025T2 (en) 1998-10-29

Family

ID=12541804

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69226025T Expired - Fee Related DE69226025T2 (en) 1991-04-25 1992-04-08 Device for detecting changes in cylinder pressure

Country Status (2)

Country Link
JP (1) JP2535366Y2 (en)
DE (1) DE69226025T2 (en)

Also Published As

Publication number Publication date
JPH04124788U (en) 1992-11-13
JP2535366Y2 (en) 1997-05-14
DE69226025D1 (en) 1998-07-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee