Centrifugal blower assembly

Details Centrifugal blower assembly Centrifugal blower assembly

1999-09-29

2000-12-19

Look, Edward K.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing having tangential inlet or outlet

4152121, 415119, F04D 1708

Patent

active

061620165

ABSTRACT:
A centrifugal blower assembly including a fan wheel and a housing enclosing the fan wheel. The housing has an inlet housing cover and an exit housing cover forming a volute chamber with a cut-off region and terminating in a fluid exit end. The inlet housing cover has a sidewall with an inlet aperture extending therethrough and a volute peripheral wall defining an interior surface of the volute chamber, and a wedge extending from the interior surface of the volute peripheral wall near the cut-off region to the sidewall adjacent the inlet aperture.

REFERENCES:
patent: 3684396 (1972-08-01), Ball et al.
patent: 3687360 (1972-08-01), Prew et al.
patent: 3824028 (1974-07-01), Zenkner et al.
patent: 4078870 (1978-03-01), Keller et al.
patent: 5746577 (1998-05-01), Ito et al.
patent: 5813831 (1998-09-01), Matsunaga et al.
patent: 5839879 (1998-11-01), Kameoka et al.

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