Single piece rotor

Details Single piece rotor Single piece rotor

2007-05-10

2010-02-23

Cronin, Stephen K (Department: 3747)

Internal-combustion engines

Starting device

Having fluid-driven starting motor

C029S888021

Reexamination Certificate

active

07665439

ABSTRACT:
A starter for moving a movable portion of an engine to start the engine includes a gear housing, a gear assembly within the gear housing, an output member at a first end of the gear assembly adapted to operably couple to the movable portion of the engine, a motor housing, and a rotor rotatably mounted within the motor housing. The rotor has a shaft portion and a vane portion that are an integral, unitary piece. The shaft portion has splines for mating with the gear assembly. The splines prevent relative rotational movement between the rotor and the gear assembly and permit relative axial movement. The rotor is formed from aluminum and at least a portion of the rotor includes an anodized coating.

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