External rotor motor with clamped stator bushing

Details External rotor motor with clamped stator bushing External rotor motor with clamped stator bushing

1985-02-06

1986-09-16

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, 310 89, 310 90, H02K 516

Patent

active

046124683

ABSTRACT:
An external rotor motor, especially for driving fans, including a stationary inside stator, an outside rotor, and a stator-lamination pack of the inside stator having a central bore into which there is installed, with the aid of a clamping seating, a stator bushing which is connected mechanically on one side with the motor flange carrying the external rotor motor. Inside the stator bushing, there is a turnable shaft which is fixedly secured, on the side lying opposite the motor flange, within a rotor bushing of the turnable outside rotor. The motor flange includes on the inside, a hollow cylindrical added piece with an inward-directed annular crosspiece, which abuts against the stator-lamination pack. The stator bushing, installed with the aid of a clamping seating in the central bore of the stator-lamination pack, has an outward-directed annular crosspiece which is seated against the inward-directed annular crosspiece of the cylindrical added piece of the motor flange.

REFERENCES:
patent: 2416300 (1947-02-01), Godsey, Jr.
patent: 2709228 (1955-05-01), Miller et al.
patent: 3002118 (1961-09-01), Papst
patent: 3310698 (1967-03-01), Krell
patent: 4329606 (1982-05-01), Montagu
patent: 4429245 (1984-01-01), Muller et al .
patent: 4469972 (1984-09-01), Rampignon et al.

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