Impellers for cross-flow fans

Details Impellers for cross-flow fans Impellers for cross-flow fans

1974-08-30

1976-07-20

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Perimetric blading extending axially between annular members

416187, F04D 2928

Patent

active

039704114

ABSTRACT:
A rotor for a cross-flow blower has narrow elongated blades fixed in slots in the peripheral portions of a plurality of parallel discs spaced from one another along the rotor axis. The blades have curved cross sections, and each has creased portions received in the slots in the discs. The creased portions are formed to have supporting and stabilizing engagement with the opposite side edges of the slots and with opposite face portions of the discs adjacent to the slots.

REFERENCES:
patent: 1657758 (1928-01-01), Lum
patent: 2496179 (1950-05-01), Schwarz
patent: 3156408 (1964-11-01), Whitenack
patent: 3385511 (1968-05-01), Wentling
patent: 3737966 (1973-06-01), Ranz
patent: 3816023 (1974-06-01), Shaver
patent: 3854844 (1974-12-01), Ranz

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