Fan wheel with cup shaped hub

Details Fan wheel with cup shaped hub Fan wheel with cup shaped hub

1991-12-12

1993-03-16

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

416169A, 416245R, F04D 2938

Patent

active

051939819

ABSTRACT:
A fan wheel has a cup shaped hub having an outer cup wall with a plurality of vanes and a cup bottom connectable with a shaft of a drive and provided at its inner side with a plurality of ribs defining a plurality of fields therebetween. The cup bottom in the region of the fields has a plurality of depressions extending from its inner side and having a width approximately 70% of a thickness of the cup bottom.

REFERENCES:
patent: D206695 (1967-01-01), Dickinson
patent: 2030993 (1936-02-01), Langenkamp et al.
patent: 3819294 (1974-06-01), Honnold et al.
patent: 3993415 (1976-11-01), Hauser
patent: 4373861 (1983-02-01), Papst et al.
patent: 4684324 (1987-08-01), Perosino
patent: 4695513 (1987-08-01), Longhouse et al.

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