Guide blade of axial-flow fan shroud

Details Guide blade of axial-flow fan shroud Guide blade of axial-flow fan shroud

2007-05-22

2007-05-22

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Vane or deflector

C415S220000

Reexamination Certificate

active

10561730

ABSTRACT:
Guide blades of an axial flow fan shroud for guiding the air blown by an axial flow fan in an axial direction. A guide blade of an axial flow fan shroud has a leading edge for introducing the air blown by an axial flow fan including a plurality of blades; a trailing edge extended from the leading edge to downstream; and an air flow guide surface for guiding the blown air between the leading and trailing edges. A first outlet area a is defined by at a radius r from a root in the total length R of an angle of projection Aout of the guide blade and a second outlet area b is defined by the remainder, the angle of projection Aout increases as approaching a tip with respect to an axial line in the second outlet area b.

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patent: 02196197 (1990-08-01), None
patent: 10-205497 (1998-08-01), None

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