JPH01128167U - - Google Patents
Info
- Publication number
- JPH01128167U JPH01128167U JP1988023883U JP2388388U JPH01128167U JP H01128167 U JPH01128167 U JP H01128167U JP 1988023883 U JP1988023883 U JP 1988023883U JP 2388388 U JP2388388 U JP 2388388U JP H01128167 U JPH01128167 U JP H01128167U
- Authority
- JP
- Japan
- Prior art keywords
- contact surface
- effective contact
- mounting surface
- piezoelectric element
- vibration
- 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.)
- Pending
Links
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
Classifications
-
- 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
- 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)
- Testing Of Engines (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988023883U JPH01128167U (enEXAMPLES) | 1988-02-26 | 1988-02-26 | |
| KR2019890000444U KR940005114Y1 (ko) | 1988-02-26 | 1989-01-18 | 진동 검출기 |
| US07/312,148 US4961338A (en) | 1988-02-26 | 1989-02-21 | Vibration detecting device |
| DE3906339A DE3906339A1 (de) | 1988-02-26 | 1989-02-24 | Vorrichtung zur erfassung von schwingungen |
| FR898902426A FR2627804B1 (fr) | 1988-02-26 | 1989-02-24 | Dispositif de detection de vibrations pour moteur a combustion interne |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988023883U JPH01128167U (enEXAMPLES) | 1988-02-26 | 1988-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01128167U true JPH01128167U (enEXAMPLES) | 1989-09-01 |
Family
ID=31243254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988023883U Pending JPH01128167U (enEXAMPLES) | 1988-02-26 | 1988-02-26 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4961338A (enEXAMPLES) |
| JP (1) | JPH01128167U (enEXAMPLES) |
| KR (1) | KR940005114Y1 (enEXAMPLES) |
| DE (1) | DE3906339A1 (enEXAMPLES) |
| FR (1) | FR2627804B1 (enEXAMPLES) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4978883A (en) * | 1988-10-12 | 1990-12-18 | Mitsubishi Denki Kabushiki Kaisha | Vibration detecting device |
| FR2715737B1 (fr) * | 1994-02-01 | 1996-03-01 | Siemens Automotive Sa | Capteur accélérométrique pour mesure du cliquetis d'un moteur à combustion interne. |
| JP4053514B2 (ja) * | 2004-05-26 | 2008-02-27 | 三菱電機株式会社 | 内燃機関のノッキングセンサおよびその製造方法 |
| JP5569746B2 (ja) * | 2011-01-20 | 2014-08-13 | 住友電装株式会社 | 端子台及びナット |
| US10416025B1 (en) * | 2013-10-28 | 2019-09-17 | Amphenol (Maryland), Inc. | Electrically isolated vibration sensor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5655862A (en) * | 1979-08-10 | 1981-05-16 | Marchal Equip Auto | Piezooelectric accelerometer |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54161803U (enEXAMPLES) * | 1978-05-01 | 1979-11-13 | ||
| US4190782A (en) * | 1978-07-24 | 1980-02-26 | Telex Communications, Inc. | Piezoelectric ceramic resonant transducer with stable frequency |
| DE3037835C2 (de) * | 1980-10-07 | 1982-11-18 | Daimler-Benz Ag, 7000 Stuttgart | Beschleunigungsaufnehmer |
| DE3139063A1 (de) * | 1981-10-01 | 1983-04-14 | Volkswagenwerk Ag, 3180 Wolfsburg | "mit einem klopfsensor ausgeruestete brennkraftmaschine" |
| JPS5887429A (ja) * | 1981-11-20 | 1983-05-25 | Nissan Motor Co Ltd | ノツキング検出装置 |
| JPS58101224A (ja) * | 1981-12-10 | 1983-06-16 | Nissan Motor Co Ltd | 自動車用エンジンのシリンダブロツク |
| DE3429217A1 (de) * | 1984-08-08 | 1986-02-13 | Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart | Vorrichtung zum uebertragen von koerperschall einer brennkraftmaschine |
| DE3445452A1 (de) * | 1984-12-13 | 1986-06-19 | Robert Bosch Gmbh, 7000 Stuttgart | Klopfsensor |
| US4660409A (en) * | 1984-12-18 | 1987-04-28 | Ngk Spark Plug Co., Ltd. | Piezoelectric pick-up device for internal combustion engine |
-
1988
- 1988-02-26 JP JP1988023883U patent/JPH01128167U/ja active Pending
-
1989
- 1989-01-18 KR KR2019890000444U patent/KR940005114Y1/ko not_active Expired - Lifetime
- 1989-02-21 US US07/312,148 patent/US4961338A/en not_active Expired - Lifetime
- 1989-02-24 DE DE3906339A patent/DE3906339A1/de not_active Ceased
- 1989-02-24 FR FR898902426A patent/FR2627804B1/fr not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5655862A (en) * | 1979-08-10 | 1981-05-16 | Marchal Equip Auto | Piezooelectric accelerometer |
Also Published As
| Publication number | Publication date |
|---|---|
| KR940005114Y1 (ko) | 1994-07-29 |
| US4961338A (en) | 1990-10-09 |
| DE3906339A1 (de) | 1989-08-31 |
| FR2627804A1 (fr) | 1989-09-01 |
| KR890018024U (ko) | 1989-09-08 |
| FR2627804B1 (fr) | 1990-11-09 |