Field coil insulation shield

Details Field coil insulation shield Field coil insulation shield

1984-01-05

1984-09-18

Truhe, J. V.

Inductor devices

Coil wrapper on binder

336206, 336196, 310 45, H01F 2730

Patent

active

044727038

ABSTRACT:
A field coil insulation shield for a motor or generator is made of a single sheet of insulating material, and defines portions which substitute for the paper insulator conventionally disposed around a field pole and between a field coil and a motor frame, and portions which substitute for individual wrappings with tape to form the field coil and to protect it from the structure of the field pole which holds it in position. The portions which substitute for a wrapping of tape are provided with elongated projections which are latchingly received around the edge of a central aperture, through which the field pole passes.

REFERENCES:
patent: 1797768 (1931-03-01), Goad
patent: 2217397 (1940-10-01), Armitt
patent: 4160967 (1979-07-01), Beech
patent: 4222023 (1980-09-01), Beech

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