Fluid reaction surfaces (i.e. – impellers) – Ambient fluid or exhaust gas directed through hub – fairing...
Reexamination Certificate
2005-09-19
2008-09-30
Nguyen, Ninh H (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Ambient fluid or exhaust gas directed through hub, fairing...
C416S203000, C416S19800R
Reexamination Certificate
active
07429163
ABSTRACT:
The invention relates to a propeller and an apparatus to modify a propeller that provide new propeller performance characteristics. In a preferred embodiment, the propeller includes two blade sets wherein the blades in the sets of distinct geometries from the blades in the corresponding set(s). In another preferred embodiment, a propeller hub ring extender is selectively secured to at least one propeller hub.
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Nguyen Ninh H
Thomas & Raring P.C.
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