Airfoil assembly

Details Airfoil assembly Airfoil assembly

2005-05-17

2005-05-17

Nguyen, Ninh H. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Distally supported on radial arm

C416S22300B, C416S243000

Reexamination Certificate

active

06893223

ABSTRACT:
An airfoil assembly having a blade with a leading edge, a trailing edge, a root and a tip. The assembly rotates about a first axis. The blade has a planar windward surface parallel to a second axis which is orthogonal to the first axis. A third axis orthogonal with the first and second axes defines the general orientation of the blade viewed along the first axis; however, the blade is pitched at an angle relative to the third axis. The convex leading edge, convex tip, and concave trailing edge have similar radii, and the leading and trailing edges converge as they approach the tip.

REFERENCES:
patent: 1991095 (1935-02-01), Hochstetter
patent: 4050246 (1977-09-01), Bourquardez
patent: 4360315 (1982-11-01), Olson
patent: 5246343 (1993-09-01), Windsor et al.
patent: 5599168 (1997-02-01), Lund
patent: 5681146 (1997-10-01), White
patent: 6537031 (2003-03-01), Bacskay

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