Starter having improved heat radiation

Internal-combustion engines – Starting device – Having specific mounting or drive connection for electric...

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74 7A, 74 7E, 290 48, F02N 1100

Patent

active

055929125

ABSTRACT:
In a starter, to improve a heat dissipation performance, an axial length from the end of a starter housing fit into a clutch housing to a starter installation surface of the clutch housing is set to be longer than an axial length from the end of a starter motor not fit into the clutch housing to the starter installation surface. Alternatively, the exposed surface area of the starter housing fit into the clutch housing is set to be larger than the exposed surface area of the portion of the starter housing not fit into the clutch housing and the starter motor. With this configuration, the starter housing can be effectively cooled by whirling air flow in the clutch housing.

REFERENCES:
patent: 1155511 (1915-10-01), Russell
patent: 2213374 (1940-09-01), Baker et al.
patent: 3124694 (1964-03-01), Seilly
patent: 4635489 (1987-01-01), Imamura et al.
patent: 5016484 (1991-05-01), Morikane
patent: 5018398 (1991-05-01), Nakagawa

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