US 11,946,512 B2
Pulley for a motor vehicle engine
Federico Domenico Licata, Chieti (IT); Alessio Courtial, Chieti (IT); Gregorio Luciani, Chieti (IT); and Walter Ventura, Chieti (IT)
Assigned to DAYCO EUROPE S.R.L., Chieti (IT)
Appl. No. 17/760,382
Filed by DAYCO EUROPE S.R.L., Chieti (IT)
PCT Filed Feb. 11, 2021, PCT No. PCT/IB2021/051131
§ 371(c)(1), (2) Date Aug. 9, 2022,
PCT Pub. No. WO2021/161213, PCT Pub. Date Aug. 19, 2021.
Claims priority of application No. 102020000002686 (IT), filed on Feb. 11, 2020.
Prior Publication US 2023/0084509 A1, Mar. 16, 2023
Int. Cl. F16D 11/14 (2006.01); F16D 27/09 (2006.01); F16D 27/105 (2006.01); F16D 27/112 (2006.01)
CPC F16D 11/14 (2013.01) [F16D 27/09 (2013.01); F16D 27/105 (2013.01); F16D 27/112 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A pulley unit comprising:
a hub configured to be connected to a crankshaft of a motor vehicle and having an axis (A);
a pulley coaxial to the hub and supported in a rotationally free manner with respect to the hub;
a clutch interposed between the hub and the pulley; and
an actuator for controlling the clutch,
characterized in that the clutch includes an inner disc rotationally coupled to the hub and having an engagement portion housed inside the pulley, and a mobile member movable axially between an engagement position in which the pulley is rotationally coupled 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,
wherein the engagement portion includes a toothing.