F - Mech Eng,Light,Heat,Weapons – 03 – D
Patent
F - Mech Eng,Light,Heat,Weapons
03
D
F03D 3/06 (2006.01) F01D 7/00 (2006.01) F03B 3/14 (2006.01) F03D 1/06 (2006.01)
Patent
CA 2282561
A fluid-activatable vane is defined by a thin vane body having opposed narrow leading and trailing side edges and opposed substantially smooth large top and bottom surfaces. The body has a central longitudinal axis and is substantially symmetrical on opposed sides of the axis. An attachment shaft is aligned with the central axis at a near end edge of the vane to secure two diametrically opposed vanes through a coupling wherein the vane will tilt along a 90° arc from a horizontal plane to a vertical plane when exposed to a fluid flow. The two vanes form a propeller and are fixed to a respective end of the attachment shaft in a respective plane and offset 90° from one another. A fluid actuatable torquing curved outer end edge portion is formed integral with the vane body in an outer end edge portion thereof and on a respective side of a central longitudinal axis. The curved outer end edge portions also project from a respective one of the top and bottom surfaces with the curved outer end edge portion adjacent the leading edge projecting upwardly from the vane when the vane is disposed horizontally when secured to a drivable vertical shaft of a turbine.
Bic Adrian
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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