Collector-type D.C. machine with improved connections among coll

Details Collector-type D.C. machine with improved connections among coll Collector-type D.C. machine with improved connections among coll

1983-08-10

1986-02-04

Wong, Peter S.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 62R, 310208, 310237, H02K 328

Patent

active

045688478

ABSTRACT:
A small motor having a planar air gap has a rotor comprising a rotor shaft journalled in a carrier pipe of small diameter at whose outer periphery are mounted shape-retaining rotor coils which are cantilevered out into the air gap. This provides a rotor of very small axial moment of inertia, affording very short start-up times. Furthermore, the coils are subjected to very good cooling action. Such a motor is suitable especially for signal-recording or -reproducing apparatus. The arrangement of the rotor coils is symmetrical and yields a very simple and compact motor construction.

REFERENCES:
patent: Re25305 (1962-12-01), Haydon
patent: Re30761 (1981-10-01), Ban et al.
patent: 3487246 (1969-12-01), Long
patent: 3686521 (1972-08-01), Henry-Baudot
patent: 4082971 (1978-04-01), Miyake et al.
patent: 4093882 (1978-06-01), Furuta
patent: 4107587 (1978-08-01), Ban et al.
patent: 4188556 (1980-02-01), Hahn
patent: 4336475 (1982-06-01), Morinaga et al.
patent: 4369388 (1983-01-01), Ban et al.

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