Fan having a blade structure for reducing noise

Details Fan having a blade structure for reducing noise Fan having a blade structure for reducing noise

1992-07-22

1995-02-28

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Axially extending shroud ring or casing

416169A, 416DIG2, F04D 2938

Patent

active

053931998

ABSTRACT:
A fan comprises a hub rotatable about a central axis and a plurality of blades each having a root region secured to the hub and extending radially outwardly to a tip region. Each blade is designed with particular characteristics to reduce noise without affecting the performance of the fan.

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