Fan and shroud assembly adopting the fan

Details Fan and shroud assembly adopting the fan Fan and shroud assembly adopting the fan

1998-06-04

2000-02-22

Look, Edward K.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Between blade edge and static part

4151736, 415228, 415119, 416169A, 416189, 416192, 416195, F01D 512

Patent

active

060273070

ABSTRACT:
A fan includes a hub coupled to a driving shaft of a motor, a plurality of blades installed on the outer circumferential surface of the hub to be spaced from each other at a predetermined interval, and a band connecting free ends of the blades. An axial direction width (W1) between a leading edge and a trailing edge at the free end of each of the blades is greater than a width (W2) of the band.

REFERENCES:
patent: 3028072 (1962-04-01), Atalla
patent: 4329946 (1982-05-01), Longhouse
patent: 5326225 (1994-07-01), Gallivan et al.
patent: 5423660 (1995-06-01), Sortor
patent: 5489186 (1996-02-01), Yapp et al.

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