Axial flow fan assembly

Details Axial flow fan assembly Axial flow fan assembly

2006-04-11

2006-04-11

Look, Edward K. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

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

Axially extending shroud ring or casing

C416S500000, C416S144000

Reexamination Certificate

active

07025570

ABSTRACT:
An axial flow fan assembly is provided to prevent the backflow of fluid passing therethrough. The axial flow fan assembly includes a mounting panel having a through-hole to allow fluid flow, and an axial flow fan having a plurality of fan blades rotatably installed in the through-hole of the mounting panel to generate a suction force. A fan shroud connects outer ends of the plurality of fan blades to each other to guide the fluid flowing by the suction force, and includes a flange outwardly extended from the fan shroud to diminish the backflow of the fluid through a gap between the fan shroud and the through-hole of the mounting panel.

REFERENCES:
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patent: 933 534 (1999-08-01), None
patent: 933 534 (2001-01-01), None
patent: 2002-276598 (2001-03-01), None
patent: 2/38962 (2002-05-01), None
patent: 2/38962 (2002-05-01), None

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