Electrical machinery

Details Electrical machinery Electrical machinery

1976-12-15

1978-10-03

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 89, H02K 1500

Patent

active

041186443

ABSTRACT:
An electrical machine, such as a motor or generator, with a rotor is manufactured by first deep drawing the housing as two separate members from sheet metal, such as steel sheet metal. As a result of the deep drawing, each housing member is provided with a bearing seating surface for the rotor bearing and at least one housing member is provided with a shoulder for the stator also as a result of the deep drawing. The parts of the machine are assembled by a press fit between the rotor bearings and the respective bearing seating surface and preferably also between the stator and at least one housing member. The housing members are secured to each other either by a press fit or by radially outwardly extending ears or lugs produced by said deep drawing.

REFERENCES:
patent: 2545335 (1951-03-01), Becker
patent: 3167676 (1965-01-01), Fuller
patent: 3487457 (1969-12-01), Drouard et al.
patent: 3492517 (1970-01-01), Kuraisi

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