VIBRATION INHIBITING STRUCTURE FOR SENSOR COVER

PROBLEM TO BE SOLVED: To inhibit the vibration of a sensor cover to reduce the resonance sound in the sensor cover, with the low cost and with a simple structure, while satisfying the strength and the durability, in the sensor cover which is fastened to a casing of a vibration generating source in s...

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Bibliographische Detailangaben
Hauptverfasser:	ONO NAOTO, SAKAGUCHI KAZUKI, HASEGAWA SHIN
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING PERFORMING OPERATIONS SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To inhibit the vibration of a sensor cover to reduce the resonance sound in the sensor cover, with the low cost and with a simple structure, while satisfying the strength and the durability, in the sensor cover which is fastened to a casing of a vibration generating source in such manner that it covers a sensor mounted in the casing. SOLUTION: The elastic members 16 having the natural frequency different from that of a sensor cover 9, is mounted on the mounting holes 15 formed on the specific positions P1 , P2 , P3 of the sensor cover which is directly fastened to a casing 5, in such manner that they seal the mounting holes 15. The specific positions P1 , P2 , P3 are determined as the areas where the vibration level is higher than that of the other area, on the basis of the simulation with the vibration frequency to be judged as the sound level to be reduced, on the basis of the measurement of the noise in a condition that the sensor cover 9 is directly mounted on the casing 5.