Isolating decoupler
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United States of America Patent
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Jul 17, 2018
Grant Date -
May 4, 2017
app pub date -
Nov 2, 2015
filing date -
Nov 2, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
An isolating decoupler comprising a hub for connection to a shaft, a pulley journalled to the hub, the pulley having a belt engaging surface, a composite spring having a clutch portion, a transition portion and a variable diameter portion, the composite spring engaged between the hub and the pulley, the clutch portion diameter reducible in a loading direction for a frictional engagement with the pulley in the loading direction, the frictional engagement of the clutch portion progressively releasable from the pulley in an unloading direction, the variable diameter portion having a diameter which varies according to a torque load; and an inertial member engaged with the hub through a damping member.
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