FR2415293B1 - - Google Patents
Info
- Publication number
- FR2415293B1 FR2415293B1 FR7831460A FR7831460A FR2415293B1 FR 2415293 B1 FR2415293 B1 FR 2415293B1 FR 7831460 A FR7831460 A FR 7831460A FR 7831460 A FR7831460 A FR 7831460A FR 2415293 B1 FR2415293 B1 FR 2415293B1
- Authority
- FR
- France
- 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
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
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)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2801969A DE2801969C2 (de) | 1978-01-18 | 1978-01-18 | Sensor für Schwingungen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2415293A1 FR2415293A1 (fr) | 1979-08-17 |
| FR2415293B1 true FR2415293B1 (US06277897-20010821-C00009.png) | 1983-07-08 |
Family
ID=6029726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7831460A Granted FR2415293A1 (fr) | 1978-01-18 | 1978-11-07 | Detecteur de vibrations |
Country Status (8)
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2829266C2 (de) * | 1978-07-04 | 1987-04-16 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zur Erfassung der beim Klopfen einer Brennkraftmaschine auftretenden Schwingungen |
| DE2829246A1 (de) * | 1978-07-04 | 1980-01-17 | Bosch Gmbh Robert | Einrichtung zur erfassung der beim klopfen einer brennkraftmaschine auftretenden schwingungen |
| DE2841553C2 (de) * | 1978-09-23 | 1982-08-26 | Robert Bosch Gmbh, 7000 Stuttgart | Biegeschwinger-Klopfsensor |
| US4307602A (en) * | 1978-12-29 | 1981-12-29 | Matsushita Electric Industrial Co., Ltd. | Knock sensor |
| US4336707A (en) * | 1979-06-04 | 1982-06-29 | Nippon Soken, Inc. | Knock detecting apparatus for internal combustion engines |
| JPS6221950Y2 (US06277897-20010821-C00009.png) * | 1979-06-21 | 1987-06-04 | ||
| JPS5614132A (en) * | 1979-07-16 | 1981-02-10 | Nippon Soken Inc | Knocking detector for internal combustion engine |
| US4366702A (en) * | 1979-08-23 | 1983-01-04 | Nippon Soken, Inc. | Knock detecting apparatus for internal combustion engines |
| US4379403A (en) * | 1979-10-18 | 1983-04-12 | Nippon Soken, Inc. | Knock detecting apparatus for internal combustion engines |
| DE2944703C2 (de) * | 1979-11-06 | 1985-04-25 | Robert Bosch Gmbh, 7000 Stuttgart | Sensor zur Erfassung der beim Klopfen einer Brennkraftmaschine auftretenden Schwingungen |
| JPS5667731A (en) * | 1979-11-06 | 1981-06-08 | Nissan Motor Co Ltd | Knocking sensor |
| DE2944647C2 (de) * | 1979-11-06 | 1987-03-12 | Robert Bosch Gmbh, 7000 Stuttgart | Sensor zur Erfassung der beim Klopfen einer Brennkraftmaschine auftretenden Schwingungen |
| JPS5679215A (en) * | 1979-11-30 | 1981-06-29 | Nippon Soken Inc | Knocking detector for internal combustion engine |
| DE3004232A1 (de) * | 1980-02-06 | 1981-08-13 | Robert Bosch Gmbh, 7000 Stuttgart | Sensor |
| DE3006260A1 (de) * | 1980-02-20 | 1981-08-27 | Robert Bosch Gmbh, 7000 Stuttgart | Sensor |
| DE3008780A1 (de) * | 1980-03-07 | 1981-09-24 | Robert Bosch Gmbh, 7000 Stuttgart | Piezoelektrischer klopfsensor |
| JPS56133619A (en) * | 1980-02-22 | 1981-10-19 | Bosch Gmbh Robert | Piezo-electric knocking sensor |
| DE3006603A1 (de) * | 1980-02-22 | 1981-09-03 | Robert Bosch Gmbh, 7000 Stuttgart | Sensoranordnung |
| DE3008574A1 (de) * | 1980-03-06 | 1981-09-17 | Robert Bosch Gmbh, 7000 Stuttgart | Magnetostriktiver klopfsensor |
| DE3013770A1 (de) * | 1980-04-10 | 1981-10-29 | Robert Bosch Gmbh, 7000 Stuttgart | Sensor |
| US4382377A (en) * | 1980-05-16 | 1983-05-10 | Siemens Aktiengesellschaft | Pressure sensor for an internal combustion engine |
| DE3028187A1 (de) * | 1980-07-25 | 1982-02-25 | Robert Bosch Gmbh, 7000 Stuttgart | Sensor |
| JPS5754819A (en) * | 1980-09-19 | 1982-04-01 | Nippon Soken Inc | Detector for knocking in internal combustion engine |
| US4373396A (en) * | 1980-09-22 | 1983-02-15 | Rockwell International Corporation | Mechanical filter with acoustic sensing |
| US4483179A (en) * | 1980-12-03 | 1984-11-20 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Method of and device for detection of knocking for internal combustion engine |
| JPS57120825A (en) * | 1981-01-21 | 1982-07-28 | Hitachi Ltd | Sensor for knocking |
| US4383434A (en) * | 1981-03-09 | 1983-05-17 | Robert Bosch Gmbh | Magnetostrictive engine-knock sensor |
| JPS57175924A (en) * | 1981-04-23 | 1982-10-29 | Nippon Denso Co Ltd | Method and apparatus for adjusting resonant frequency of knock sensor |
| US4494409A (en) * | 1981-05-29 | 1985-01-22 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Engine vibration sensor |
| GB2142429A (en) * | 1983-06-29 | 1985-01-16 | Standard Telephones Cables Ltd | Wide bandwidth surface acoustic wave vibration sensor |
| US4562740A (en) * | 1984-04-20 | 1986-01-07 | United Technologies Automotive, Inc. | Vibration sensor and the method of and apparatus for manufacture thereof |
| JPH0697183B2 (ja) * | 1986-02-04 | 1994-11-30 | 本田技研工業株式会社 | 振動センサ |
| EP0261555B1 (en) * | 1986-09-22 | 1992-07-08 | Nippondenso Co., Ltd. | Semiconductor accelerometer |
| EP0340476B1 (en) * | 1988-04-11 | 1993-06-16 | Nippondenso Co., Ltd. | Acceleration sensor |
| DE4316067A1 (de) * | 1993-05-13 | 1994-11-24 | Dmt Gmbh | Verfahren zur Messung der Temperatur, der Strömungsgeschwindigkeit und des Druckes eines Fluids und zur Durchführung geeignete Vorrichtung |
| US5403017A (en) * | 1993-09-16 | 1995-04-04 | Unisys Corporation | Target lifter with impact sensing |
| JPH07174651A (ja) * | 1993-12-17 | 1995-07-14 | Mitsubishi Electric Corp | 圧力センサ |
| EP1988378A1 (en) * | 2007-05-02 | 2008-11-05 | Ford Global Technologies, LLC | On-Cylinder Combustion Sensor |
| KR20160081927A (ko) * | 2013-11-05 | 2016-07-08 | 니탄 밸브 가부시키가이샤 | 발전 부재를 구비한 내연 기관 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1948104A (en) * | 1929-10-24 | 1934-02-20 | Floyd A Firestone | Vibration responsive apparatus |
| DE746666C (de) * | 1940-05-27 | 1944-08-16 | Versuchsanstalt Fuer Luftfahrt | Indikator |
| DE847071C (de) * | 1943-03-07 | 1952-08-21 | Hartmann & Braun Ag | Verfahren zur Herstellung temperaturunabhaengiger Zungen fuer Zungenfrequenzmesser und Vibrationstachometer |
| FR973510A (fr) * | 1948-10-15 | 1951-02-12 | Contrôleur d'équilibrage universel à fréquence variable | |
| DE870041C (de) * | 1950-06-01 | 1953-03-09 | Sodet Soc D Echanges Tech | Vorrichtung zur Messung mechanischer Verformungen |
| US3093710A (en) * | 1959-07-06 | 1963-06-11 | Gulton Ind Inc | Piezoelectric electromechanical transducer |
| US3113223A (en) * | 1960-07-27 | 1963-12-03 | Space Technology Lab Inc | Bender-type accelerometer |
| US3393557A (en) * | 1967-06-29 | 1968-07-23 | Texaco Inc | Apparatus for measuring selected engine vibration characteristics |
| DE1673919C3 (de) * | 1968-03-08 | 1975-04-03 | Konsultbyran Iko Ab, Tumba (Schweden) | Vorrichtung zum Bestimmen des mechanischen Zustandes von Maschinen |
| US3851194A (en) * | 1971-06-01 | 1974-11-26 | Denki Onkyo Co Ltd | Anti resonant electrodes for a piezoelectric transformer |
| SU537264A1 (ru) * | 1974-09-23 | 1976-11-30 | Куйбышевский институт инженеров железнодорожного транспорта | Устройство дл акустической диагностики механизмов |
| US4106065A (en) * | 1976-03-19 | 1978-08-08 | Ampex Corporation | Drive circuitry for controlling movable video head |
| US4161665A (en) * | 1977-12-27 | 1979-07-17 | General Motors Corporation | Magnetostrictive engine detonation sensor |
-
1978
- 1978-01-18 DE DE2801969A patent/DE2801969C2/de not_active Expired
- 1978-05-30 GB GB23848/78A patent/GB1599727A/en not_active Expired
- 1978-11-07 FR FR7831460A patent/FR2415293A1/fr active Granted
-
1979
- 1979-01-16 US US06/003,811 patent/US4275586A/en not_active Expired - Lifetime
- 1979-01-17 IT IT19370/79A patent/IT1110028B/it active
- 1979-01-17 NL NL7900384A patent/NL7900384A/xx not_active Application Discontinuation
- 1979-01-17 SE SE7900414A patent/SE7900414L/xx unknown
- 1979-01-18 JP JP344479A patent/JPS54110882A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2801969A1 (de) | 1979-07-19 |
| FR2415293A1 (fr) | 1979-08-17 |
| JPS54110882A (en) | 1979-08-30 |
| GB1599727A (en) | 1981-10-07 |
| DE2801969C2 (de) | 1982-11-04 |
| IT1110028B (it) | 1985-12-23 |
| SE7900414L (sv) | 1979-07-19 |
| IT7919370A0 (it) | 1979-01-17 |
| NL7900384A (nl) | 1979-07-20 |
| US4275586A (en) | 1981-06-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |