Filtering pulley for a belt drive

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United States of America Patent

PATENT NO 9850997
SERIAL NO

14910403

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Importance

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Abstract

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A filtering pulley for an accessory drive of an internal combustion engine, having a hub suitable for connection to an engine accessory, an annular crown provided with a profile configured to cooperate with a drive belt, a coil spring able to transmit torque between the crown and the hub, a first carrier constrained to a first end of the spring and a second carrier constrained to a second end of the spring. The annular crown is externally coaxial to the hub and supported in a rotationally free manner on the hub, and each of the carriers is rotationally coupled to both the hub and the crown with a limited possibility of relative rotation with respect to each of them.

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Patent Owner(s)

Patent OwnerAddress
PROPULSION SOLUTIONS S R LIVREA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cariccia, Gianluca Oristano, IT 29 88
Licata, Federico Domenico Turin, IT 7 38

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