Flywheel magneto rotor and manufacture method thereof

Details Flywheel magneto rotor and manufacture method thereof Flywheel magneto rotor and manufacture method thereof

1979-08-27

1981-12-15

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 70R, 310156, 310 42, H02K 2122

Patent

active

043061672

ABSTRACT:
A joining construction between a flywheel of a flywheel magneto and a boss for mounting thereon a shaft comprises a joining portion formed on the periphery of the boss, and a joining portion of the flywheel surrounding the periphery of the boss. The joining portion of boss has an annular groove defined by a rugged bottom and both sides one of which is inclined along metal flow. The joining portion of the flywheel has the same shaped groove as one of the boss. Two the joining portions define an annular gap in which a joining member is disposed deformed by pressworking. The joining member inserted into the annular gap has the same shearing strength as the flywheel when an axial force is applied to the flywheel magneto.

REFERENCES:
patent: 4012651 (1977-03-01), Burson
patent: 4115716 (1978-09-01), Ogasawara et al.
patent: 4137884 (1979-02-01), Odazimo et al.
patent: 4146806 (1979-03-01), Katsumata
patent: 4182027 (1980-01-01), Benerecha

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