Method for making an electric motor housing with integral pole

Details Method for making an electric motor housing with integral pole Method for making an electric motor housing with integral pole

1981-03-03

1983-02-08

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

72370, 310 42, 310 89, 310154, 310218, H02K 1514

Patent

active

043720358

ABSTRACT:
An electrical machine including an armature rotatable within a housing comprised of a section of tubular ferrous material and methods for producing the housing. At least two alternate magnetic field pole pieces are secured within the housing and at least two intermediate induced pole pieces are formed by deforming the housing to provide inwardly projecting pole pieces intermediate the magnetic field pole pieces, each of the pole piece conforming to the shape of and closely embracing the armature.

REFERENCES:
patent: 2456701 (1948-12-01), Hansen
patent: 2683826 (1954-07-01), Staak
patent: 3083310 (1963-03-01), Tweedy
patent: 3445593 (1969-05-01), Crawshaw
patent: 3510707 (1970-05-01), Stone et al.
patent: 3818585 (1974-06-01), Preece
patent: 3889141 (1975-06-01), Merriam
patent: 3988623 (1976-10-01), Yamaguchi
patent: 4145804 (1979-03-01), van den Brink
patent: 4151435 (1979-04-01), Jandeska
patent: 4154082 (1979-05-01), Beech

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