Sheet metal fan

Details Sheet metal fan Sheet metal fan

1976-06-14

1978-10-17

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Radial flow devices

416243, 416DIG3, F04D 2938

Patent

active

041206096

ABSTRACT:
A sheet metal fan blade of improved performance and efficiency has a varying camber angle and chord angle along radial positions of the blade, such that the angle of attack along at least 70% of the length of the blade is not less than 2.degree. or more than 10.degree.. The fan blade construction exhibits utility in an automotive radiator cooling system.

REFERENCES:
patent: 1828258 (1931-10-01), Schmidt
patent: 2031466 (1936-02-01), Criqui
patent: 2468723 (1949-04-01), Bartlett
patent: 2861738 (1958-11-01), Rundle
patent: 3851994 (1974-12-01), Seippel

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