Impeller for cross-flow fan

Details Impeller for cross-flow fan Impeller for cross-flow fan

1984-07-03

1985-09-03

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Unsymmetrical impeller or dissimilar working members

415119, 416500, F04D 2966

Patent

active

045389632

ABSTRACT:
An impeller for a cross-flow fan, including a plurality of impeller sections. Each impeller sections includes a pair of plate members and a number of blades extending between and circumferentially of the plate members such that the blades are circumferentially spaced at random pitch angles without periodicity.

REFERENCES:
patent: 1893184 (1933-01-01), Smellie
patent: 2006684 (1935-07-01), Meininghaus
patent: 3006603 (1961-10-01), Caruso et al.
patent: 3058528 (1962-10-01), Hiersch
patent: 3156408 (1964-11-01), Whitenack
patent: 3342254 (1967-09-01), Fujie
patent: 3398866 (1968-08-01), La Flame et al.
patent: 3536417 (1970-10-01), Stiefel et al.
patent: 4253800 (1981-03-01), Segawa et al.

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