Self-starting disk-type brushless motor with screw projection fo

Details Self-starting disk-type brushless motor with screw projection fo Self-starting disk-type brushless motor with screw projection fo

1986-06-19

1987-11-03

Shoop, Jr., William M.

Electricity: motive power systems

Switched reluctance motor commutation control

318138, 310156, 310216, H02K 2908

Patent

active

047045663

ABSTRACT:
A disk-type brushless motor comprises a 2p-pole magnet rotor (p represents an integer of 2 or more) having alternating N and S poles and a single position sensor element. A stator armature having an armature coil is formed on two conductors which contribute to the generation of torques and extend with an opening angle substantially equal to the width of each magnetic pole of the magnet rotor. A projection such as a screw for generating cogging to enable the self-start of the magnet rotor is disposed at a place somewhere short substantially by a width

REFERENCES:
patent: 3988024 (1976-10-01), Watanabe et al.
patent: 4103191 (1978-07-01), Kawamura et al.
patent: 4256997 (1981-03-01), Brusaglino et al.
patent: 4496887 (1985-01-01), Ichihara et al.
patent: 4499407 (1985-02-01), MaCleod

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