Airfoil assembly
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United States of America Patent
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-
May 17, 2005
Grant Date -
Apr 8, 2004
app pub date -
Oct 3, 2002
filing date -
Oct 3, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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