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 pression

Info

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
Application number
FR9908467A
Other languages
English (en)
Other versions
FR2780781A1 (fr
Inventor
Hartmut Brammer
Wolfgang Schmidt
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
Publication of FR2780781A1 publication Critical patent/FR2780781A1/fr
Application granted granted Critical
Publication of FR2780781B1 publication Critical patent/FR2780781B1/fr
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
    • 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)
FR9908467A 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 Expired - Fee Related FR2780781B1 (fr)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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.
CZ194096A3 (cs) * 1995-07-03 1998-09-16 Robert Bosch Gmbh Snímač kmitání s přítlačným pouzdrem
DE19524152C1 (de) * 1995-07-03 1996-05-23 Bosch Gmbh Robert Schwingungsaufnehmer
DE19524148C1 (de) * 1995-07-03 1996-08-29 Bosch Gmbh Robert Schwingungsaufnehmer
DE19524147C2 (de) * 1995-07-03 1998-01-29 Bosch Gmbh Robert Schwingungsaufnehmer mit einer Druckhülse
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

Also Published As

Publication number Publication date
FR2780781A1 (fr) 2000-01-07
US6532795B1 (en) 2003-03-18
DE19829407A1 (de) 2000-01-13
KR20000011373A (ko) 2000-02-25
JP2000028430A (ja) 2000-01-28

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Legal Events

Date Code Title Description
ST Notification of lapse