Engine-cooling fan made of synthetic resin

Details Engine-cooling fan made of synthetic resin Engine-cooling fan made of synthetic resin

1989-07-14

1991-11-19

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Coating, specific composition or characteristic

416234, F01D 514

Patent

active

050661965

ABSTRACT:
An engine-cooling fan is made of a synthetic resin, and includes a cylindrical hub, a plurality of fan blades provided integrally and radially on an outer peripheral wall of the hub and an integral member provided on an inner peripheral wall of the hub for mounting the fan on a drive shaft extending at a right angle relative to a plane in which the fan blades lie. At least one reinforcing rib is integrally molded between the outer peripheral wall of the hub and a heel portion of each of the blades.

REFERENCES:
patent: D131271 (1942-02-01), Collura
patent: 2346552 (1944-04-01), Brotz
patent: 2785009 (1957-03-01), Stocking
patent: 2801793 (1957-08-01), Kline
patent: 3033049 (1962-05-01), Morrow
patent: 3071315 (1963-01-01), Alis
patent: 3951611 (1976-04-01), Morrill
patent: 4671739 (1987-06-01), Read et al.
patent: 4721394 (1988-01-01), Casto et al.

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