Centrifugal fan

Details Centrifugal fan Centrifugal fan

1997-01-15

1998-09-29

Kwon, John T.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing having tangential inlet or outlet

F04D 2944

Patent

active

058138340

ABSTRACT:
An improved centrifugal fan whose air capacity is to be increased, without changing the dimensions of the casing and without using a higher-powered motor improves the fan by a) reducing the volume of the pressure space by enlarging the impeller diameter, b) shifting a location of a least distance between the impeller and the casing in the direction of rotation of the impeller, c) forming a wedge-shaped space ahead of the location of the least distance, and d) providing the impeller with very flat blades. The centrifugal fan has a higher air capacity at a lower rpm.

REFERENCES:
patent: 3824028 (1974-07-01), Zenker et al.
"Motoren und Lufter", Alcatel Sel, Standard Elektrik Lorenz AG, 1992, 6650/3643 D-1.92-1.5 SD.

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