Method of assembling a magneto rotor assembly

Details Method of assembling a magneto rotor assembly Method of assembling a magneto rotor assembly

1978-03-06

1980-01-08

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29525, 29732, 156297, 310 42, 310153, H02K 1502

Patent

active

041820274

ABSTRACT:
A magneto rotor is formed of a hollow cup-shaped cylindrical drum adapted to be mounted on the flywheel of a combustion engine. A plurality of discrete cylindrically segmental permanent magnets are angularly equispaced about the interior of the drum and radially overlying the inner surface of each of these magnets is a magnetically permeable pole piece also of cylindrical segmental shape. The gaps between each of the inductors formed by a respective magnet and pole piece are filled by nonmagnetic holding blocks having lateral flanks tightly engaging the magnets and pole pieces. An adhesive tightly secures the magnets, pole pieces and blocks in the drum. The arrangement is assembled by fitting in the holding blocks and magnets and thereafter driving the pole pieces tightly in place between the holding blocks.

REFERENCES:
patent: 3818586 (1974-06-01), Harkness et al.
patent: 3861028 (1975-01-01), Mittag
patent: 4101371 (1978-07-01), Aggen

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