Axial-flow fan for the radiator of an internal combustion engine

Details Axial-flow fan for the radiator of an internal combustion engine Axial-flow fan for the radiator of an internal combustion engine

1998-03-13

2000-01-04

Ryznic, John E.

Fluid reaction surfaces (i.e., impellers)

Having clutch or brake means

416229R, 416234, A47C 774

Patent

active

060103051

ABSTRACT:
An axial-flow fan comprises a hub having an axial dimension T.sub.N, and including a planar portion extending in a radial direction. Axial blades connected to the hub, and each axial blade has an axial dimension T.sub.Sch in a vicinity of a radially outermost portion of the hub. The axial dimension T.sub.Sch of each axial blade is greater than the axial dimension T.sub.N of the hub. Each axial blade has a projection U beyond the planar portion of the hub. The projection U extends axially from a leading edge of each axial blade to the planar portion of the hub.

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Von Kurt Hauser, Dusen-Mantellufter fur Nutzfahrzeug-Kuhlanlagen, (1992), pp. 542-547.
Patent Abstract of Germany, Eiichi Moriyama, Engine Cooling Fan, (1978), p. 78.

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