Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Vane or deflector
Reexamination Certificate
2006-02-16
2008-08-26
Look, Edward (Department: 3745)
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Vane or deflector
C415S220000
Reexamination Certificate
active
07416387
ABSTRACT:
A fan includes a fan frame and an impeller. The fan frame has a housing, a base and at least one supporting element. The inner wall of the housing has at least one guiding portion in the form of a curved cavity for increasing an airflow intake of the fan, and the base is disposed within the housing and has a bottom portion and a pressurizing portion. The pressurizing portion is disposed around the bottom portion for increasing an air pressure of the fan. The supporting elements are connected to the housing and the pressurized portion of the base. The impeller is disposed within the housing and supported by the base.
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patent: 2007/0154308 (2007-07-01), Yang
Chen Huan-Chi
Chuang Te-Tsai
Huang Wen-Shi
Lan Chung-Kai
Birch & Stewart Kolasch & Birch, LLP
Delta Electronics , Inc.
Look Edward
Wiehe Nathaniel
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