Shroud for fan motor cooling

Details Shroud for fan motor cooling Shroud for fan motor cooling

1998-07-09

2000-06-13

Freay, Charles G.

Pumps

Motor driven

Including means utilizing pump fluid for augmenting cooling,...

417 53, 417369, 417368, F04B 1703

Patent

active

060741813

ABSTRACT:
Cooling means for cooling an electric motor mounted on or adjacent a volute of a centrifugal fan, the cooling means including an opening through the wall of the volute, and a shroud connected to the volute, the shroud including a volute end and a motor end, wherein the volute end of the shroud substantially covers the opening, and the motor end of the shroud extends around at least a portion of the periphery of the electric motor, such that the shroud provides a passage for flow of air from the volute and directs the flow of air around at least a portion of the periphery of the motor.

REFERENCES:
patent: 1669459 (1928-05-01), Feinberg et al.
patent: 2388998 (1945-11-01), Puffer et al.
patent: 4470753 (1984-09-01), Witzel

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