IT1130868B - SENSOR FOR THE DETECTION OF VIBRATIONS OF THE BEAT IN THE HEAD - Google Patents

SENSOR FOR THE DETECTION OF VIBRATIONS OF THE BEAT IN THE HEAD

Info

Publication number
IT1130868B
IT1130868B IT19339/80A IT1933980A IT1130868B IT 1130868 B IT1130868 B IT 1130868B IT 19339/80 A IT19339/80 A IT 19339/80A IT 1933980 A IT1933980 A IT 1933980A IT 1130868 B IT1130868 B IT 1130868B
Authority
IT
Italy
Prior art keywords
beat
vibrations
sensor
head
detection
Prior art date
Application number
IT19339/80A
Other languages
Italian (it)
Other versions
IT8019339A0 (en
Inventor
Herbert Schramm
Jorg Bonitz
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of IT8019339A0 publication Critical patent/IT8019339A0/en
Application granted granted Critical
Publication of IT1130868B publication Critical patent/IT1130868B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/02—Microphones
    • 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
    • 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
IT19339/80A 1979-01-22 1980-01-21 SENSOR FOR THE DETECTION OF VIBRATIONS OF THE BEAT IN THE HEAD IT1130868B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792902305 DE2902305A1 (en) 1979-01-22 1979-01-22 KNOCK VIBRATION SENSOR

Publications (2)

Publication Number Publication Date
IT8019339A0 IT8019339A0 (en) 1980-01-21
IT1130868B true IT1130868B (en) 1986-06-18

Family

ID=6061107

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19339/80A IT1130868B (en) 1979-01-22 1980-01-21 SENSOR FOR THE DETECTION OF VIBRATIONS OF THE BEAT IN THE HEAD

Country Status (5)

Country Link
JP (1) JPS5599042A (en)
DE (1) DE2902305A1 (en)
FR (1) FR2447023A1 (en)
GB (1) GB2041698A (en)
IT (1) IT1130868B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4374472A (en) * 1979-09-29 1983-02-22 Nissan Motor Co., Ltd. Vibration sensor
JPS57120825A (en) * 1981-01-21 1982-07-28 Hitachi Ltd Sensor for knocking
JPS59141028A (en) * 1983-01-31 1984-08-13 Nissan Motor Co Ltd Washer type pressure sensor
DE3333285A1 (en) * 1983-09-15 1985-04-18 Robert Bosch Gmbh, 7000 Stuttgart DEVICE FOR DETECTING FORCES, TENSIONS OR ACCELERATIONS ON MACHINES, DEVICES OR THE LIKE
DE3445452A1 (en) * 1984-12-13 1986-06-19 Robert Bosch Gmbh, 7000 Stuttgart KNOCK SENSOR
JP3809919B2 (en) * 1995-06-09 2006-08-16 株式会社日立製作所 Cylinder internal pressure detector
FR2762646B1 (en) * 1997-04-29 1999-07-02 Siemens Automotive Sa CLICK SENSOR FOR A MOTOR VEHICLE
DE102010042263A1 (en) * 2010-10-11 2012-04-12 Hilti Aktiengesellschaft Sensor arrangement, for example on an anchor bolt
CN105605078B (en) * 2016-03-11 2018-07-13 大连理工大学 A kind of intelligent gasket device for monitoring bolt linkage interface
CN106402124B (en) * 2016-09-29 2018-11-09 大连理工大学 A kind of intelligent bolt device for monitoring bolt connection dynamic stress situation
CN106286550A (en) * 2016-09-29 2017-01-04 大连理工大学 A kind of intelligent nut device for monitoring bolt connection state
CN107355464A (en) * 2017-07-18 2017-11-17 大连理工大学 A kind of stacking-type piezoelectric ceramics intelligent gasket loosened for monitoring bolt
CN110388370A (en) * 2018-04-20 2019-10-29 关隆股份有限公司 Precision nut

Also Published As

Publication number Publication date
GB2041698A (en) 1980-09-10
DE2902305A1 (en) 1980-08-07
FR2447023A1 (en) 1980-08-14
FR2447023B3 (en) 1982-07-30
IT8019339A0 (en) 1980-01-21
JPS5599042A (en) 1980-07-28

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