Torsional viration damper
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United States of America Patent
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Dec 6, 1994
Grant Date -
N/A
app pub date -
Nov 20, 1992
filing date -
Nov 23, 1991
priority date (Note) -
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Abstract
A torsional vibration damper in which variable volume chambers pump oil through restricted passages in response to relative torsional movement between a driven and inertia member in the damper. The passages are connected to radially inner and outer sides of an annular spring. Torsional oscillation causes the spring to deflect in a circumferential direction and the restricted passages damp the vibration.
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