Sheet metal fan assembly

Details Sheet metal fan assembly Sheet metal fan assembly

1977-08-16

1979-10-30

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Articulated, resiliently mounted or self-shifting impeller...

Sectional, staged or nonrigid working member

416242, 416DIG3, F04D 2938

Patent

active

041726910

ABSTRACT:
A sheet metal fan exhibiting special utility as a radiator fan for an internal combustion engine. A spider carries the blades on its arms, the arms each having a radially extending stiffening rib in opposed relation to a complementary rib in its blade to thereby form a tube where the stiffening ribs are radially coextensive. The stiffening rib on each blade intersects a continuous, blade stiffening channel.

REFERENCES:
patent: 1041913 (1912-10-01), Tyson
patent: 1313598 (1919-08-01), Ingells
patent: 1634554 (1927-07-01), Pajalic
patent: 1868528 (1932-07-01), Gardner
patent: 2035479 (1936-03-01), Hueglin
patent: 2201153 (1940-05-01), Brown
patent: 3315750 (1967-04-01), Delaney
patent: 3416725 (1968-12-01), Bohanon

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