Fan impellers

Details Fan impellers Fan impellers

1995-06-02

1997-01-07

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

With weight-balancing means

416186R, F04D 2900

Patent

active

055910084

ABSTRACT:
An impeller for a fan comprising a hub for rotation by a drive rotor and a plurality of fan blades for rotation with the hub, the impeller further comprising a support or guide member supporting or connecting fan blades of said plurality, and wherein one or more pockets are provided in said support or guide member and open axially of the fan for receiving balance weights.

REFERENCES:
patent: 1436369 (1922-12-01), Hazell
patent: 2336597 (1943-12-01), Moeller
patent: 2573875 (1951-11-01), Riddiford
patent: 4647271 (1987-03-01), Nagai et al.
patent: 4776763 (1988-10-01), Light
patent: 5129284 (1992-07-01), Brueckner et al.

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