Method of making an electric motor winding insulating barrier

Details Method of making an electric motor winding insulating barrier Method of making an electric motor winding insulating barrier

1974-07-29

1978-05-23

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29734, 29736, H02K 1506, H02K 1510

Patent

active

040902900

ABSTRACT:
An insulating barrier means and method of assembly between starting and running windings in a stator core includes insulating pegs between the windings having oppositely disposed axial projections extending beyond the outer axial ends of the stator core, and a plurality of end turn insulating separators each having a pair of transverse sections oppositely disposed at axial ends of the core interconnected by a plurality of legs disposed within predetermined stator slots and particularly between the starting and running windings adjacent to the insulating pegs with the pegs and separators overlapping for complete electrical insulation between the first and second windings. The method of construction includes the use of a coil transfer apparatus having a movable stripper which operates to simultaneously transfer the end turn insulators and the starting coils into the stator slots, preferably through the use of a plastic circular guide element.

REFERENCES:
patent: 2701317 (1955-02-01), Herman
patent: 2998540 (1961-08-01), Phillips
patent: 3402462 (1968-09-01), Walker et al.
patent: 3439205 (1969-04-01), Houtman
patent: 3689976 (1972-09-01), Donovan
patent: 3694887 (1972-10-01), Walker et al.
patent: 3857171 (1974-12-01), Lund

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