Centrifugal fan

Fluid reaction surfaces (i.e. – impellers) – Diverse impellers or working members

Reexamination Certificate

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Details

C416S179000, C416S181000, C415S206000

Reexamination Certificate

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07008189

ABSTRACT:
A centrifugal fan and a rotor for a centrifugal fan comprising axial blades, straight blades, and a hub having a radius that increases as a function of distance from the fan inlet.

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