FLUID-FILLED ENGINE MOUNT FOR AUTOMOBILE

PROBLEM TO BE SOLVED: To provide a fluid-filled engine mount for an automobile having a novel structure, improving vibration isolation performance by avoiding significantly high dynamic spring motion caused by the antiresonance action of an orifice passage when large amplitude vibration is inputted...

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Bibliographische Detailangaben
1. Verfasser:	MORIKAWA SHOJI
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 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 provide a fluid-filled engine mount for an automobile having a novel structure, improving vibration isolation performance by avoiding significantly high dynamic spring motion caused by the antiresonance action of an orifice passage when large amplitude vibration is inputted on a high-frequency side rather than a tuning frequency of the orifice passage while sufficiently securing the vibration isolation performance by fluid flowing action through the orifice passage and fluid pressure absorption performance by a movable plate. SOLUTION: A pressure release hole 94 is formed at the wall 38 of a movable plate arrangement area 62 on the side of an equilibration chamber 90, and a valve element 96 is provided in such a manner as to abut on an opening of the pressure release hole 94 on the side of the equilibration chamber 90 and to be displaced in a separating direction. Furthermore, a urging means 96 is provided for urging the valve element 96 to elastically close the pressure release hole 94 by the valve element 96. COPYRIGHT: (C)2010,JPO&INPIT