Windmill

Details Windmill Windmill

1991-05-08

1992-06-30

Pellinen, A. D.

Prime-mover dynamo plants

Fluid-current motors

Wind

290 44, 415 42, 415 44, 415907, 416 13, F03D 700

Patent

active

051265842

ABSTRACT:
A windmill having a stator and a rotor. The rotor has the shape of a long convex blade having sharp edges and being symmetrical with respect to its longitudinal axis. The stator which surrounds and supports the rotor comprises a lower platform which acts as a base, an upper platform parallel to the lower platform and a set of vertical and also equally spaced vanes joining the two platforms. According to a first embodiment, each vane is formed of an outer stationary shutter joining the two platforms and of a movable inner shutter capable of pivoting about its longitudinal axis. In an other embodiment, the vanes are one-piece element and can pivot freely on posts of which the ends are secured to the two platforms. In either case, there is provided a control mechanism responsible for the angular orientation of the movable shutters or vanes.

REFERENCES:
patent: 43663 (1864-08-01), Barton
patent: 591775 (1897-10-01), Peterson
patent: 918864 (1909-04-01), Pope
patent: 1365371 (1921-01-01), Camet
patent: 2812823 (1952-06-01), de Oviedo
patent: 4047834 (1977-12-01), Magoveny et al.
patent: 4115027 (1978-09-01), Thomas
patent: 4415814 (1983-11-01), Parra
patent: 4486143 (1984-12-01), McVey
patent: 4551631 (1985-11-01), Trigilio
Popular Science, "Spinning Sail", -- The What's New Magazine, Jan. 1984.

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