Patent ID: 8302753

Claim:
A decoupler comprising: a driven member disposed for rotation about an axis, the driven member having a body that defines a bore with an inner circumferential surface; a driving member disposed for rotation about the axis; a clutch received in the bore, the clutch comprising a carrier, a wrap spring and at least one spring, the wrap spring being formed of spring wire and having a plurality of coils disposed between a first end and a second end, a first portion of the wrap spring consisting of the first end being received in a groove formed in the carrier to facilitate transmission of rotary power from the carrier into the wrap spring, the groove extending inwardly from an exterior circumferential surface of the carrier, a remaining portion of the wrap spring having an outer circumferential spring surface that is abutted against the inner circumferential surface of the bore in the driven member, the at least one spring being disposed between the carrier and the driving member to transmit rotary power from the driving member to the carrier; a torsional vibration damper coupled to the driving member for rotation therewith; and a lubricant on the remaining portion of the wrap spring.