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Class Information
Number: 416/12
Name: Fluid reaction surfaces (i.e., impellers) > With means positioning fluid current driven impeller relative to flow direction > Offset relative to flow direction > Responsive to folding or feathering of flow-aligned vane
Description: Apparatus wherein the impeller is oriented at an angle to the direction of working fluid flow in response to folding or feathering of a vane or rudder which tends to maintain a position aligned with the direction of flow.

Patents under this class:

Patent Number Title Of Patent Date Issued
8585364 Vertical axis wind turbine Nov. 19, 2013
8282350 Method and apparatus for capturing wind to produce electrical power Oct. 9, 2012
8109722 Turbine and system for generating power from fluid flow and method therefor Feb. 7, 2012
7014416 Control vane for a wind turbine Mar. 21, 2006
6113350 Vertical-axle power machine Sep. 5, 2000
5746576 Wind energy conversion device with angled governing mechanism May. 5, 1998
5366342 Water pumping push-pull windmill Nov. 22, 1994
5195871 Self-restored windmill Mar. 23, 1993
5183383 Wind turbine Feb. 2, 1993
4717832 Tidal and river turbine Jan. 5, 1988
4474531 Windmill with direction-controlled feathering Oct. 2, 1984

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