Intermediate gear type starter motor

Details Intermediate gear type starter motor Intermediate gear type starter motor

1992-05-12

1993-10-12

Herrmann, Allan D.

Machine element or mechanism

Engine starters

Automatic

74 7A, F02N 1506

Patent

active

052514994

ABSTRACT:
In order to provide a starter motor with an intermediate gear which can secure a good engaging performance for a pinion, an intermediate gear and a ring gear to thereby eliminate the strange sound of the intermediate gear and to reduce the wear of a bearing of the intermediate gear as well as the wear of the teeth of the pinion and intermediate gear, according to the invention, there is provided a starter motor with an intermediate gear in which the shift coefficient of a pinion is set smaller than the shift coefficient of the intermediate gear to thereby reduce a difference between two kinds of engagement pressure angles respectively obtained between the pinion and intermediate gear as well as between the intermediate gear and a ring gear.

REFERENCES:
patent: 4970908 (1990-11-01), Isozumi et al.
patent: 4974463 (1990-12-01), Luiki
patent: 5130586 (1992-07-01), Miyagi

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