JPS644609B2 - - Google Patents
Info
- Publication number
- JPS644609B2 JPS644609B2 JP56067731A JP6773181A JPS644609B2 JP S644609 B2 JPS644609 B2 JP S644609B2 JP 56067731 A JP56067731 A JP 56067731A JP 6773181 A JP6773181 A JP 6773181A JP S644609 B2 JPS644609 B2 JP S644609B2
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- sensor
- contact
- internal combustion
- combustion engine
- 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
Links
- 238000002485 combustion reaction Methods 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000012212 insulator Substances 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 239000011231 conductive filler Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
- G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B1/00—Engines characterised by fuel-air mixture compression
- F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
- F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3027254A DE3027254C2 (de) | 1980-07-18 | 1980-07-18 | Sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5733329A JPS5733329A (en) | 1982-02-23 |
| JPS644609B2 true JPS644609B2 (en]) | 1989-01-26 |
Family
ID=6107521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6773181A Granted JPS5733329A (en) | 1980-07-18 | 1981-05-07 | Knocking vibration detection sensor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS5733329A (en]) |
| DE (1) | DE3027254C2 (en]) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4991283A (en) * | 1989-11-27 | 1991-02-12 | Johnson Gary W | Sensor elements in multilayer ceramic tape structures |
| DE4123786A1 (de) * | 1991-07-18 | 1993-01-21 | Bosch Gmbh Robert | Klopfsensor |
| DE19940346B4 (de) | 1999-08-25 | 2018-03-22 | Continental Automotive Gmbh | Piezoaktor mit einer Anschlußvorrichtung |
| FR2923017B1 (fr) * | 2007-10-30 | 2009-11-20 | Eads Europ Aeronautic Defence | Transducteur piezoelectrique pour le controle non-destructif d'une structure comportant un trou |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE741336C (de) * | 1937-12-11 | 1943-11-10 | Versuchsanstalt Fuer Luftfahrt | Vorrichtung zum Messen der Klopfstaerke bei Verbrennungsmotoren |
| FR2116922A5 (fr) * | 1970-12-11 | 1972-07-21 | Anvar | Capteur a inertie notamment pour la mesure de vibrations ou d'accelerations |
| JPS5431825B2 (en]) * | 1973-08-08 | 1979-10-09 | ||
| JPS5284781A (en) * | 1975-12-31 | 1977-07-14 | Fujitsu Ltd | Fault detector for sensing system using piezoelectric sensors |
| JPS5366753A (en) * | 1976-11-26 | 1978-06-14 | Ngk Spark Plug Co | Pickup transmitter |
| DE2802679A1 (de) * | 1978-01-21 | 1979-07-26 | Bosch Gmbh Robert | Sensor fuer schwingungen |
-
1980
- 1980-07-18 DE DE3027254A patent/DE3027254C2/de not_active Expired
-
1981
- 1981-05-07 JP JP6773181A patent/JPS5733329A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3027254A1 (de) | 1982-03-04 |
| DE3027254C2 (de) | 1985-07-18 |
| JPS5733329A (en) | 1982-02-23 |
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