Liquid viscous damper
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United States of America Patent
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Jan 19, 1993
Grant Date -
N/A
app pub date -
Aug 21, 1991
filing date -
Dec 22, 1989
priority date (Note) -
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status (Latency Note)
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Abstract
A viscous liquid damper having a damper for developing a torsion torque in between an output-side driven plate (23) and an input-side drive plate (3), and a liquid chamber located between the drive plates (3) is partitioned into front and rear divided chamber (38 & 39) in rotation direction. In order to allow absorption of vibrations of different kinds without mutual confrontation in such a damper; an outward facing projection (41) is formed on the drive plate (3), a slider (40) is mated with the drive plate (3) in such a manner as slidable in the rotation direction, a main choke (A1) is formed between the slider (40) and the projection (41), stoppers (40a) able to mate with the projection (41) are formed on circumferential both ends of the slider (40), and a sub-choke (S2) connecting the both divided chambers (38 & 39) is formed separately from the main choke (S1).
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