Axial fan arrangement

Details Axial fan arrangement Axial fan arrangement

1983-03-14

1986-01-28

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

415207, 415213C, 123 4149, F01D 904, F04D 2954

Patent

active

045668523

ABSTRACT:
An axial fan arrangement is provided, especially for the radiator of a water cooled internal combustion engine for commercial vehicles. In order to reduce noise levels without impairing fan efficiency, an air guide structure is provided which widens in the flow direction starting from adjacent the air inlet edges of the fan blades. Embodiments are included which have part of the air guide structure carried by the fan blades and other embodiments have fixed air guide structure. The contour of the air guide structure conforms to the facing contour of the fan blades.

REFERENCES:
patent: 3173605 (1965-03-01), Harris
patent: 3635285 (1972-01-01), Davis
patent: 3937192 (1976-02-01), Longhouse
patent: 4189281 (1980-02-01), Katagiri et al.
patent: 4211514 (1980-07-01), Hawes
patent: 4221546 (1980-09-01), Pabst et al.
patent: 4329946 (1982-05-01), Longhouse
patent: 4396351 (1983-08-01), Hayashi et al.

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