Ventilated electric motor assembly

Details Ventilated electric motor assembly Ventilated electric motor assembly

H - Electricity

02

K

310/29

H02K 9/06 (2006.01) F04D 29/28 (2006.01)

Patent

CA 1302470

Abstract of the Disclosure 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.

590594

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