Fluid reaction surfaces (i.e. – impellers) – Rotor having flow confining or deflecting web – shroud or... – Radially extending web or end plate
Reexamination Certificate
2005-09-27
2005-09-27
Look, Edward K. (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Rotor having flow confining or deflecting web, shroud or...
Radially extending web or end plate
C416S234000
Reexamination Certificate
active
06948912
ABSTRACT:
A heat dissipation device and a blade structure thereof are employed to increase input air volume, A new impeller, mounted on the driving means, includes a hub and a plurality of rotor blades arranged around the hub. Preferably, the inner side of each rotor blades extends to a top surface and side surface of the hub. An upper edge of the rotor blades can extend axially beyond the top surface of the hub in the air inlet end for increasing the intake airflow by introducing the side airflow through the space defined between the inner edges of the plurality of rotor blades and the top surface of the hub.
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Chang Shun-Chen
Huang Wen-Shi
Lin Kuo-Cheng
Yu Po-Hao
Delta Electronics , Inc.
Look Edward K.
White Dwayne J.
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