Brushless D-C motor

Details Brushless D-C motor Brushless D-C motor

1974-07-26

1977-02-08

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310156, 310268, H02K 516

Patent

active

040073904

ABSTRACT:
In the case of a collector-less D-C motor designed as a disc motor with an external rotor, the permanently magnetized external rotor is supported in an axially space-saving manner in a bearing tube attached to the stator bedplate. For the purpose of facilitating centering of the stator bedplate in the air gap of the rotor during manufacture, a flange plate inserted onto the bearing tube serves for anchoring purposes, and the stator bedplate is secured to this flange plate.

REFERENCES:
patent: 3002118 (1961-09-01), Papst
patent: 3324321 (1967-06-01), Kober
patent: 3482131 (1969-12-01), Lytle
patent: 3513339 (1970-05-01), Harris et al.
patent: 3604962 (1971-09-01), Larson et al.
patent: 3786290 (1974-01-01), Papst et al.
patent: 3845339 (1974-10-01), Merkle et al.

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