LOCKING UNIT, IN PARTICULAR FOR A PARKING LOCK OF AN AUTOMATIC TRANSMISSION

摘要

The invention relates to a locking unit, in particular for a parking lock of an automatic transmission, for locking the motion of a piston that can be moved by a drive, in particular a piston to which pressure can be applied, wherein the locking unit has an electromagnet and at least one catch element and the catch element interacts with the armature or armature rod of the electromagnet or with a bolt or bolt ring retained by the armature or armature rod or arranged on the armature or armature rod and the piston has at least two catch receptacles at a distance from each other and the piston can be fixed in different positions of the piston by the stopping interaction of the catch element with the respective catch receptacle. The invention further relates to a transmission equipped with the locking unit.

主权项

1. A locking unit for locking motion of a piston that can be moved by a drive comprising:
an electromagnet and at least one catch element, wherein the catch element interacts with (a) an armature or an armature rod of the electromagnet or (b) with a bolt or a bolt ring that is (i) retained by the armature or the armature rod or (ii) arranged on the armature or armature rod, and wherein the piston has at least two catch receptacles located, respectively, at a distance from each other, and wherein the piston is arranged to be fixed in different positions of the piston by the stopping interaction of the catch element with each of the respective catch receptacle.