Fluid reaction surfaces (i.e. – impellers) – Multiple axially spaced working members – Differing radii
Reexamination Certificate
2006-10-17
2006-10-17
Nguyen, Ninh H. (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Multiple axially spaced working members
Differing radii
C416S063000, C415S202000
Reexamination Certificate
active
07121804
ABSTRACT:
A wind power generating system that includes a series of progressively larger fan fans, the fans positioned in series relative to one another such that the blades of the trailing fans project into the wind stream that has been disturbed by the preceding fan and the undisturbed wind stream.
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D.A. Shafer, K.R. Strawmyer, R.M. Conley, J.H. Guidinger, D.C. Wilkie, and T.F. Zellman With Assistance From D.W. Bernadett, WindPACT Turbine Desing Scaling Studies: Technical Area 4—Balance-of-Station Cost, National Renewable Energy Laboratory, a U.S. Dept. of Energy Laboratory, Jul. 2001, pp. (1)-(B-1) NREL/SR-500-29950, Golden Colorado, U.S.
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Crabtree Edwin H.
Nguyen Ninh H.
Pizarro Ramon L.
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