Patent ID: 8754731
Filing Date: 2014-06-17
Classification: F02N,H01F,H02K

Abstract:
1. A solenoid for a vehicle starter, the solenoid comprising: a first coil and a second coil with a passage extending through the first coil and the second coil in an axial direction, wherein the first coil is a pull-in coil and the second coil is a hold-in coil; and a plunger configured to move in the axial direction within the passage, the plunger including a cylindrical outer surface with a substantially uniform diameter and a circumferential notch, the cylindrical outer surface including a first portion with a first diameter on one side of the circumferential notch, and a second portion with the first diameter on an opposite side of the circumferential notch, the circumferential notch including a portion with a second diameter that is less than the first diameter.