Ventilated electric motor assembly

Details Ventilated electric motor assembly Ventilated electric motor assembly

1988-08-02

1990-02-27

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 63, 310 89, H02K 900

Patent

active

049048910

ABSTRACT:
An electric motor ventilation structure having an interior fan with a dual concentric set of radially disposed blades located within an endshield of said motor in close proximity to the end of the rotor and stator assemblies within said endshield and to the other peripheral surfaces of said stator assembly within that endshield. The disposition of said blades is such as to break the hot air boundary layer adjacent to each of said windings and cause the movement of heated air through the axial and radial endshield apertures to the external environment and replenishment with cooler air from that environment during motor operation.

REFERENCES:
patent: 3622821 (1971-11-01), Maffey, Jr.
patent: 4306168 (1981-12-01), Peachee
patent: 4670677 (1987-06-01), Snider
patent: 4757221 (1988-06-01), Kurihashi

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