Starter for internal combustion engine
AssigneesDenso Corporation, Sawafuji Electric Co., Ltd.
InventorsSadayoshi Kajino, Youichi Hasegawa, Tomoya Imanishi, Yasuo Osawa
Life of this patent
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Abstract
A starter for an internal combustion engine includes a motor, a pinion gear connected to the motor to be engaged with a ring gear of the engine. The pinion gear has teeth of a negative addendum modification whose number is larger than a standard gear that has the same outside diameter. Therefore the gear ratio of the pinion gear to the ring gear can be increased without change of the outside diameter thereof.
Claims5
A starter for an internal combustion engine having a ring gear, said starter comprising a motor, a pinion gear connected to said motor to be engaged with said ring gear of said engine,
- wherein said pinion gear has teeth of a negative addendum modification whose number is larger than a standard gear that has the same outside diameter.
Dependencies are inferred from the claim text.