FR2780781B1 - Capteur d'oscillations comportant une douille de pression avec ressort annulaire maintenu sur la paroi exterieure de la douille de pression - Google Patents
Capteur d'oscillations comportant une douille de pression avec ressort annulaire maintenu sur la paroi exterieure de la douille de pressionInfo
- Publication number
- FR2780781B1 FR2780781B1 FR9908467A FR9908467A FR2780781B1 FR 2780781 B1 FR2780781 B1 FR 2780781B1 FR 9908467 A FR9908467 A FR 9908467A FR 9908467 A FR9908467 A FR 9908467A FR 2780781 B1 FR2780781 B1 FR 2780781B1
- Authority
- FR
- France
- Prior art keywords
- pressure sleeve
- wall
- annular spring
- oscillation sensor
- spring held
- 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
Links
- 230000010355 oscillation Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/08—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of piezoelectric devices, i.e. electric circuits therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
- B06B1/0655—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element of cylindrical shape
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/30—Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
- G01H1/12—Measuring characteristics of vibrations in solids by using direct conduction to the detector of longitudinal or not specified vibrations
-
- 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
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Measuring Fluid Pressure (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19829407A DE19829407A1 (de) | 1998-07-01 | 1998-07-01 | Schwingungsaufnehmer mit einer Druckhülse |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2780781A1 FR2780781A1 (fr) | 2000-01-07 |
FR2780781B1 true FR2780781B1 (fr) | 2001-08-31 |
Family
ID=7872642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9908467A Expired - Fee Related FR2780781B1 (fr) | 1998-07-01 | 1999-07-01 | Capteur d'oscillations comportant une douille de pression avec ressort annulaire maintenu sur la paroi exterieure de la douille de pression |
Country Status (5)
Country | Link |
---|---|
US (1) | US6532795B1 (fr) |
JP (1) | JP2000028430A (fr) |
KR (1) | KR20000011373A (fr) |
DE (1) | DE19829407A1 (fr) |
FR (1) | FR2780781B1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7138629B2 (en) | 2003-04-22 | 2006-11-21 | Ebara Corporation | Testing apparatus using charged particles and device manufacturing method using the testing apparatus |
JP2005227265A (ja) * | 2004-01-15 | 2005-08-25 | Ngk Spark Plug Co Ltd | ノッキングセンサ |
JP4162012B2 (ja) * | 2006-03-30 | 2008-10-08 | 三菱電機株式会社 | ノックセンサ |
JP5027834B2 (ja) * | 2008-07-14 | 2012-09-19 | 日本特殊陶業株式会社 | ノッキングセンサ |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6455428U (fr) | 1987-10-01 | 1989-04-05 | ||
DE4123786A1 (de) * | 1991-07-18 | 1993-01-21 | Bosch Gmbh Robert | Klopfsensor |
DE4403660B4 (de) | 1993-04-10 | 2006-08-10 | Robert Bosch Gmbh | Druckhülse |
FR2703772B1 (fr) * | 1993-04-10 | 1995-05-19 | Bosch Gmbh Robert | Douille de pression, notamment pour un capteur de cognement. |
DE19524152C1 (de) * | 1995-07-03 | 1996-05-23 | Bosch Gmbh Robert | Schwingungsaufnehmer |
DE19524147C2 (de) * | 1995-07-03 | 1998-01-29 | Bosch Gmbh Robert | Schwingungsaufnehmer mit einer Druckhülse |
CZ194096A3 (cs) * | 1995-07-03 | 1998-09-16 | Robert Bosch Gmbh | Snímač kmitání s přítlačným pouzdrem |
DE19524148C1 (de) * | 1995-07-03 | 1996-08-29 | Bosch Gmbh Robert | Schwingungsaufnehmer |
DE19542729C1 (de) * | 1995-11-16 | 1996-10-10 | Bosch Gmbh Robert | Schwingungsaufnehmer |
DE19612541A1 (de) * | 1996-03-29 | 1997-10-02 | Bosch Gmbh Robert | Schwingungsaufnehmer und Verfahren zu dessen Herstellung |
-
1998
- 1998-07-01 DE DE19829407A patent/DE19829407A1/de not_active Ceased
-
1999
- 1999-06-02 US US09/323,789 patent/US6532795B1/en not_active Expired - Fee Related
- 1999-06-29 JP JP11184104A patent/JP2000028430A/ja active Pending
- 1999-06-30 KR KR1019990025672A patent/KR20000011373A/ko not_active Application Discontinuation
- 1999-07-01 FR FR9908467A patent/FR2780781B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2000028430A (ja) | 2000-01-28 |
US6532795B1 (en) | 2003-03-18 |
FR2780781A1 (fr) | 2000-01-07 |
KR20000011373A (ko) | 2000-02-25 |
DE19829407A1 (de) | 2000-01-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |