公开(公告)号：US11946512B2

公开(公告)日：2024-04-02

申请号：US17760382

申请日：2021-02-11

Applicant: DAYCO EUROPE S.R.L.

Inventor： Federico Domenico Licata ,  Alessio Courtial ,  Gregorio Luciani ,  Walter Ventura

IPC: F16D11/14 ,  F16D27/09 ,  F16D27/105 ,  F16D27/112

CPC classification number: F16D11/14 ,  F16D27/09 ,  F16D27/105 ,  F16D27/112

Abstract: A pulley unit has a hub configured to be connected to a crankshaft, a pulley coaxial to the hub and supported in a rotationally free manner with respect thereto, a clutch interposed between the hub and the pulley, and an actuator for controlling the clutch, The clutch has an inner disc rotationally coupled to the hub and an engagement portion housed inside the pulley, a mobile member axially movable between an engagement position in which the mobile member rotationally couples the pulley to the engagement portion of the inner disc and a disengagement position in which the pulley is rotationally free with respect to the inner disc, and an elastic element acting on the mobile member to push it towards the engagement position.