Brushless direct current motor

Details Brushless direct current motor Brushless direct current motor

1985-01-24

1986-05-27

Roskoski, Bernard

Electricity: motive power systems

Switched reluctance motor commutation control

310216, 310218, 310254, H02K 112, H02K 2912

Patent

active

045917663

ABSTRACT:
A brushless d.c. motor having a stator including a stator core with a plurality of Y-shaped magnetic poles. The magnetic poles have a first portion which extend radially outwardly from a hub portion of the core, second portions which extend from an outer end of the first portion in the opposite circumferential directions and third portions that extend from a tip of the second portions to the radially outer direction. A first stator windings are wound on the first portions of the magnetic pole and serially connected to each other for each of the magnetic poles, and second windings are wound on one of the third portions and the adjacent third portion of the contiguous magnetic pole, and serially connected to each other. The phases of the stator windings are shifted relative to each other.

REFERENCES:
patent: 3518473 (1970-06-01), Nordebo
patent: 3683248 (1972-08-01), Kobayashi et al.
patent: 4038575 (1977-07-01), Norbedo
patent: 4260925 (1981-04-01), Barrett

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