Metal working – Method of mechanical manufacture – Electrical device making
Patent
1975-01-07
1976-05-11
Hall, Carl E.
Metal working
Method of mechanical manufacture
Electrical device making
310 43, 310214, H02K 1506
Patent
active
039552713
ABSTRACT:
A dynamoelectric machine including stator and armature structures. The stator includes a yoke and a plurality of pole shoes carried thereby which include slots for receiving compensating coils. Strand-like elements are tightly packed within the slots between the compensating coils and the slot walls and are embedded within a hardened binder material, to support the coils against oscillation. Each pole shoe includes tip and base sections defining a pole face. The tip section comprises a plurality of lamination plates which have aligned apertures defining an opening extending through the tip section remote from the pole face. A connecting bar is disposed within this opening and has fastener elements mounted on each end thereof to clamp the lamination plates together. Threaded bolts are received in the connecting bar to draw the lamination plates toward the base section in uniform fashion. The yoke comprises a plurality of lamination plates which are arranged in mutually abutting relationship. A plurality of attachment flanges are welded across the outer edges of yoke plates to couple the plates together. The shoe base section is detachably secured to the yoke such that shoulder portions of the base section serve to clamp primary current windings in place against the yoke.
REFERENCES:
patent: 1053680 (1913-02-01), Torda
patent: 1827571 (1931-10-01), Fiene
patent: 2679607 (1954-05-01), Potter
patent: 2749456 (1956-06-01), Luenberger
patent: 3437858 (1969-04-01), White
patent: 3468019 (1969-09-01), Brown et al.
Hall Carl E.
Miller Albert J.
Talcott Joel D.
The Garrett Corporation
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