Machine element or mechanism – Elements – Flywheel – motion smoothing-type
Patent
1995-02-24
1996-09-03
Bonck, Rodney H.
Machine element or mechanism
Elements
Flywheel, motion smoothing-type
192 7017, 192208, 464101, F16F 1510
Patent
active
055513182
ABSTRACT:
A vehicle power train flywheel assembly having an input-side flexible coupling and power transmission damping mechanism whereby power is transmitted from the crankshaft of an engine to a main body of the flywheel assembly via a combination viscous fluid and elastic damping device. The power trans-mission damping mechanism includes a flexible annular input plate formed from sheet metal, and a rimmed sub-plate that together with the input plate forms a viscous fluid chamber, in which an undulated ribbon spring, as the elastic damping device, is installed. During power transmission the ribbon spring is compressed between an input-side sub-plate and an output side stop plate of the flywheel assembly, and torsional fluctuations meanwhile expanding and contracting the ribbon spring are damped as the narrow duct surrounding the ribbon spring chokes the flow of viscous fluid, developing viscous damping resistance. Transmission of flexural vibrations to the output side of the flywheel assembly is checked by the flexibility of the input plate, and further by the fact that the flywheel main body bearing is mounted on a bearing rim formed as an extension of the radially inward margin of the input plate. A sandwich of fixing plates is flexibly attached to the radially inward margin of the input plate by a circular array of mounting rivets, for fixing the input plate to the crankshaft of an engine.
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Bonck Rodney H.
Kabushiki Kaisha Daikin Seisakusho
Kim Chong H.
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