Drive coil wiring structure for brushless motor

Details Drive coil wiring structure for brushless motor Drive coil wiring structure for brushless motor

1985-08-19

1987-01-13

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, 310 43, 310 71, 310208, 310259, H02K 346

Patent

active

046366776

ABSTRACT:
In a brushless motor comprising a stator portion having a stator yoke on which a plurality of drive coils are mounted, and a rotor portion having a rotor yoke on which a ring-like rotor magnet is mounted, the rotor portion being arranged to be rotated by interaction between a current flowing in the drive coils and magnetic flux generated from the rotor magnet, disclosed is a drive coil structure provided with coil holders formed on the stator yoke through outsert molding for respectively positioning the drive coils on the stator yoke, and a protrusion respectively formed on each of the coil holders at its end surface opposed to the rotor magnet for preventing the drive coil from coming loose.

REFERENCES:
patent: Re24909 (1960-12-01), Dochterman
patent: 4361776 (1982-11-01), Hayashi
patent: 4374336 (1983-02-01), Shimizu
patent: 4517480 (1985-05-01), Muller

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