Housing for a centrifugal blower

Details Housing for a centrifugal blower Housing for a centrifugal blower

1998-04-02

1999-12-07

Look, Edward K.

Rotary kinetic fluid motors or pumps

With sound or vibratory wave absorbing or preventing means...

415184, 415186, 415203, 415204, 415206, 4152081, 4152111, 4152112, 4152141, F01D 510

Patent

active

059972467

ABSTRACT:
There is disclosed a housing for a centrifugal fan or blower or the like. The housing includes a wedge member for reducing the tonal noise generated during operation of the fan or blower. The wedge member is disposed on an interior surface of the housing chamber.

REFERENCES:
patent: 3684396 (1972-08-01), Ball et al.
patent: 3687360 (1972-08-01), Prew et al.
patent: 4078870 (1978-03-01), Keller et al.
patent: 5141397 (1992-08-01), Sullivan
patent: 5399068 (1995-03-01), Park
patent: 5601400 (1997-02-01), Kondo et al.

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