High structural efficiency blades and devices using same

Details High structural efficiency blades and devices using same High structural efficiency blades and devices using same

2008-01-29

2008-01-29

Nguyen, Ninh H. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Laminated, embedded member or encased material

C416S232000, C416S24100B, C416S21000A

Reexamination Certificate

active

07322798

ABSTRACT:
A blade for a rotor has integral stiffeners with at least one of unidirectional caps configured to carry blade bending loads in axial tension or webs to carry transverse shear resulting from blade bending.

REFERENCES:
patent: 2637405 (1953-05-01), Stanley
patent: 2961053 (1960-11-01), Prewitt et al.
patent: 4339230 (1982-07-01), Hill
patent: 5547629 (1996-08-01), Diesen et al.
patent: 6942461 (2005-09-01), Wobben

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