Fractional horsepower motors with selectable winding windows

Electrical generator or motor structure – Dynamoelectric – Rotary

Patent

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Details

310172, 310216, 310258, H02K 1500, H02K 1710

Patent

active

041340353

ABSTRACT:
One disclosed motor includes winding leg and yoke laminations that form a core yoke section and a core winding leg (or coil core). An excitation coil is supported on the coil core; and the coil core and core yoke are relatively oriented so that a first surface of the original strip material faces one direction in the core yoke section, and an opposite direction in the winding leg section in a finished motor. The geometrical configuration of the laminations prevent a random location of winding legs relative to yoke laminations, and yet permits two distinctly different relative lamination orientations. A longitudinal reference line along the winding leg is identified and keying or interlocking means are symmetrical about the reference line, but a winding accommodating portion of the winding leg is asymmetrical about the same reference line, so two distinct winding window openings may be provided, depending on the orientation of the winding leg.

REFERENCES:
patent: 3024377 (1962-03-01), Tupper

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