Sheet metal fan assembly

Details Sheet metal fan assembly Sheet metal fan assembly

1977-08-16

1979-11-20

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

041749243

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: 1255346 (1918-02-01), Sparks
patent: 1313598 (1919-08-01), Ingells
patent: 1404298 (1922-01-01), Jacobs
patent: 2201153 (1940-05-01), Brown
patent: 2238749 (1941-04-01), Peltier
patent: 2240597 (1941-05-01), Whitefield
patent: 2853140 (1958-09-01), Forth
patent: 3315750 (1967-04-01), Delaney
patent: 3951611 (1976-04-01), Morrill

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