Actuation assembly and actuator for a power train

Abstract

An electromagnetic actuation assembly includes an actuator comprising a magnetic field frame provided with an annular housing extending circumferentially about a reference axis, a coil arranged in the annular housing of the magnetic field frame, and a plunger able to be moved axially between a first axial zone and a second axial zone with respect to the magnetic field frame as a function of the magnetic field produced by the coil when this coil is supplied with current. A first shock absorber is mounted either on the plunger or on the magnetic field frame or on an actuator support to which the actuator is fixed, the first shock absorber being arranged in such a way as to be deformed by the movement of the plunger when the plunger reaches the first axial zone.

Dependencies are inferred from the claim text.