Metal working – Method of mechanical manufacture – Electrical device making
Patent
1993-04-01
1994-01-11
Hall, Carl E.
Metal working
Method of mechanical manufacture
Electrical device making
29609, 310 42, 310217, 310218, 310259, H02K 1502
Patent
active
052769585
ABSTRACT:
A method of manufacturing an electric motor wherein pole pieces, made of pole laminations provided with outwardly extending projections are assembled into pole piece blocks, which are provided with stator coils premounted thereon. The pole piece blocks are secured to a stator ring made of stator laminations. The projections on the pole pieces are inserted into depressions formed in an inner wall of the stator ring and are then anchored thereto by means of anchoring rods inserted axially through passages provided in the stator ring and holes formed in the projections of the pole pieces. The projections and the corresponding depressions mating therewith are shaped by the step of forming the stator laminations which are formed such that the spaces of the projections and depressions receiving the same in assembly will occur as a result of a selective laying together of pre-assembled lamination packs. The lamination packs forming the stator ring are assembled together upon a successive, mutual turning of the pre-assembled stator lamination packs.
REFERENCES:
patent: 571181 (1896-11-01), Wood
patent: 724484 (1903-04-01), Meston
patent: 771260 (1904-10-01), Meston
patent: 893711 (1908-07-01), Cushman
patent: 928037 (1909-07-01), Frost
patent: 2766392 (1956-10-01), Wagner
patent: 2818515 (1957-12-01), Dolenc
patent: 3221195 (1965-11-01), Hoffman
patent: 4516046 (1985-05-01), Mercier
patent: 4912353 (1990-03-01), Kondo
General Electric Company
Hall Carl E.
Krisher, Jr. Ralph E.
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