Liquid sealed type bushing
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 9, 2001
Grant Date -
N/A
app pub date -
Aug 11, 1998
filing date -
Apr 8, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A liquid sealed type bushing including an outer cylinder, an inner cylinder and an elastic member. Recesses are formed on a middle portion of the elastic member. The elastic member between the recesses is adapted to be a partition member and a thin wall portion is formed by providing a through hole in the partition member, and an outer peripheral portion of the partition member is made to contact but not combine with an inner face of the outer cylinder. Within the recess, a medium to high frequency device is supported by the inner cylinder. By overlapping a peak caused by a membrane resonance owing to the thin wall portion of the partition member, and a minimum value caused by a liquid column resonance of the medium to high frequency device, a low dynamic spring constant is attained in a medium to high frequency region.
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Cited Art Landscape
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