Patent ID: 8416039

Claim:
A solenoid arrangement for a starter motor comprising: a plunger configured to move in an axial direction; a coil positioned radially outward from the plunger, the coil including a first winding layer and at least one additional winding layer positioned radially outward from the first winding layer, the first winding layer including a first portion wound in a first winding direction and a second portion wound in a second winding direction that is opposite the first winding direction, the at least one additional winding layer wound only in the second winding direction and positioned radially outward from both the first portion and the second portion of the first winding layer; a spool including a first end and a second end with a hub extending between the first end and the second end; and a projection positioned on the hub, wherein the coil is wound on the spool and engages the projection in such a manner that a winding direction of the coil is reversed at the projection.