Electric motor manufacture

Details Electric motor manufacture Electric motor manufacture

1977-08-17

1980-01-08

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29605, 310 42, 310 43, 310194, 310254, H02K 1502

Patent

active

041820266

ABSTRACT:
The invention provides a new method of making electric motor stator assemblies of the type comprising a magnetic stator body with a plurality of discrete poles and a coil wound on each pole. Preferably each stator assembly is made by (a) providing a flexible chain of hollow bobbins with terminal pins for each bobbin; (b) inserting a magnetic pole piece in each bobbin in turn; (c) winding a coil on each bobbin and attaching the ends of each coil to the terminal pins of the bobbin on which the coil is wound; and (d) inserting at least a portion of the bobbin chain in a casing which engages and provides a low reluctance magnetic connection between the several pole pieces, whereby a stator assembly is formed which is characterized by (1) a stator in which the casing acts as the stator body and the pole pieces act as individual stator poles, and (2) individual coils each associated with one of the stator poles.

REFERENCES:
patent: 3464106 (1969-09-01), Barrett
patent: 3914859 (1975-10-01), Pierson
patent: 4115915 (1978-09-01), Godfrey

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