Structure of DC motor with electronic commutation

Details Structure of DC motor with electronic commutation Structure of DC motor with electronic commutation

1992-07-06

1993-11-02

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

H02K 1100, H02K 100

Patent

active

052586790

ABSTRACT:
A DC motor having an electronic commutator including, inter alia, an annular insulating support (410) which carries at its periphery (4101) a ring (4102) which is bordered on one side by a lateral rim (4103) having a lesser diameter. The ring (4102) is arranged to define teeth (4104) having a rectangular cross-sectional shape (4106) and defining therebetween gaps (4108) which are each provided in their middle with a mushroom-shaped element (4000). Each mushroom-shaped element has a foot (4001), which is higher than the depth of the gap (4108), and a head (4002) which overhangs both the teeth (4104) which surround it and the rim (4103). The rim (4103) is provided with slits (4003) located in alignment with the feet (4001).

REFERENCES:
patent: 3339097 (1967-08-01), Dunn
patent: 4558245 (1985-12-01), Glasauer et al.
Copies of French Search Report, Mar. 1992 (2 pages).

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