Brushless electric motor with self starting asymmetry

Details Brushless electric motor with self starting asymmetry Brushless electric motor with self starting asymmetry

1989-06-02

1990-07-10

Wong, Peter S.

Electrical generator or motor structure

Dynamoelectric

Rotary

310254, 318138, H02K 2910, H02K 316

Patent

active

049409123

ABSTRACT:
The motor includes a rotor (2) with permanent magnets and a stator (3) that surrounds the rotor and includes reluctance pads (9, 10) provided to place the rotor (2), upon stopping, in a position where the startup of the motor will be assured. The reluctance pads (9, 10) are asymmetrical with respect to the magnetic axis (A) of the coils of the stator (3) and include notches (4), at least some of which serve to accommodate at least one coil of the stator (3), in order to assure obtaining a maximum winding coefficient.

REFERENCES:
patent: 3377534 (1968-04-01), Hill
patent: 3569806 (1971-03-01), Brailsford
patent: 3900780 (1975-08-01), Tanikoshi
patent: 4004168 (1977-01-01), Haydon
patent: 4554491 (1985-11-01), Plunkett
patent: 4565955 (1986-01-01), Kubota
patent: 4575652 (1986-03-01), Gogue
patent: 4600864 (1986-07-01), Sato
patent: 4742258 (1988-05-01), Earle et al.

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