Patent ID: 6789520
Filing Date: 2004-09-14
Classification: F02N

Abstract:
A system for cranking an internal combustion engine, the system comprising:starter including a pinion that engages with a ring gear of the internal combustion engine for cranking the internal combustion engine, the pinion being coupled to an output shaft of the starter via a helical spline formed on the output shaft rotation of the pinion being restricted for pushing the pinion in its axial direction for establishing engagement between the pinion and the ring gear; an electrical circuit for supplying current to the starter; and a key switch connected to the electrical circuit, the key switch being adapted to be closed by turning on an ignition key thereby to start the starter for cranking the internal combustion engine, wherein: the key switch includes a locking device for prohibiting turning-on of the ignition key when rotational speed of the internal combustion engine is other than zero.