Method of adjusting motor performance

Details Method of adjusting motor performance Method of adjusting motor performance

1986-05-15

1987-06-23

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, 310 49R, 310 91, H02K 1514, H02K 2342

Patent

active

046755667

ABSTRACT:
Structure for maintaining accurate spacing between opposed pole elements of a split-field coil structure. The motor structure includes a support for supporting the armature for rotation about an axis, and a field coil structure having opposed C-shaped laminated cores. Each core has a pair of legs forming motor poles, each pole being defined by an arcuate surface spaced radially from the armature and a distal end surface. The core further defines a bight portion extending between the legs. The field coil is wound about a two-piece bobbin which serves further to retain the laminations of the field coil in stacked, assembled relationship. The end surfaces of the legs of the cores are in spaced, opposed alignment, with the support portion fitting therebetween for providing the accurately maintained minimum spacing between the pole end surfaces.

REFERENCES:
patent: 1493851 (1924-05-01), Ferris
patent: 4386287 (1983-05-01), Karasawa et al.
patent: 4554471 (1985-11-01), Bertram et al.
patent: 4623811 (1986-11-01), Nystuen et al.

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