Windtrap for power development

Prime-mover dynamo plants – Fluid-current motors – Wind

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290 44, 290 54, 46117, 46119, F03D 900, H02P 904

Patent

active

058083693

ABSTRACT:
A wind power generator comprises a shaft operatively mounted in a support frame for rotation about a substantially vertical axis. A wing arm is fixedly mounted on the shaft and extends radially outward therefrom. Finally, a windtrap assembly is disposed proximal an outer end of the wing arm. The windtrap assembly includes respective upper and lower windtrap panels pivotably connected to the wing arm. The upper and lower windtrap panels are capable of folding together to cooperatively assume a low-drag configuration when the windtrap assembly is moving in an up-wind direction, and further capable of opening away from each other to cooperatively assume a high-drag configuration when the windtrap assembly is moving in a down-wind direction.

REFERENCES:
patent: 3944839 (1976-03-01), Carter
patent: 4015911 (1977-04-01), Darvishian
patent: 4142832 (1979-03-01), Clifton
patent: 4191507 (1980-03-01), DeBerg
patent: 4310284 (1982-01-01), Randolph
patent: 4377372 (1983-03-01), Stutzman
patent: 4496283 (1985-01-01), Kodric
patent: 4534703 (1985-08-01), Flavall
patent: 4681512 (1987-07-01), Barnard
patent: 5226806 (1993-07-01), Lubbers
patent: 5525037 (1996-06-01), Cummings
patent: 5616963 (1997-04-01), Kikuchi
Canadian Patent Application Serial No. 2,007,030, filed Jan. 3, 1990, published Jul. 3, 1991, now abandoned, of Matthew P. Whelan for "A Windtrap for Power Development".
Canadian Patent Application Serial No. 2,046,752, filed Jul. 10, 1991, published Jan. 11, 1993, now abandoned, of Matthew P. Whelan for "Windtrap for Power Development".

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