Improvements to hydraulic antivibratory supports
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United States of America Patent
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Sep 26, 1989
Grant Date -
N/A
app pub date -
Jan 25, 1988
filing date -
Jan 26, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a hydraulic antivibratory support for insertion between two rigid elements (1 and 3), and comprising a work chamber (A) and a compensation chamber (B) separated by a dividing wall (6) and joined together by a restricted passage, this restricted passage, defined at both ends by two fixed orifices (31, 32) opening respectively into the two chambers (A and B) is defined over at least a portion of its lateral periphery by a flat or cylindrical face (25) of a rigid rotary valve (26) housed jointingly between the two orifices and connected angularly to the rotor of a small electric motor (19).
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