Patent ID: 6131894
Filing Date: 2000-10-17
Classification: F16F

Abstract:
A liquid sealed type rubber mount device comprising:a first support member attached to a vibration source;a second support member attached to a vehicle body;an elastic member in substantially conical shape interposed between the first and second support members, the first support member and second support member being adapted to form a liquid chamber therebetween with at least a part of a wall thereof; a partition wall dividing the chamber into a main liquid chamber and an auxiliary liquid chamber;an orifice passage formed within the partition wall for usually communicating the two liquid chambers; anda part of the wall composing said auxiliary liquid chamber is formed of a diaphragm; wherein a medium to high frequency device is provided which is attached to the first support member projecting into the main liquid chamber so as to absorb a vibration component in the medium to high frequency range by forming a flow space between the inner wall of the conical portion of the elastic member and therewith and at least one thin wall portion formed by a respective recess formed in the inner wall of the conical portion of the elastic member and in a vicinity of the medium to high frequency device so as to yield a minimum value for the dynamic spring characteristic by generating a membrane resonance via vibration input in the medium to high frequency range.