Wind power plant

Details Wind power plant Wind power plant

1974-04-08

1976-01-06

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Cupped reaction surface normal to rotation plane

Torque converters

F03D 300

Patent

active

039307506

ABSTRACT:
A power plant of the windmill type is provided which includes a multi-arm horizontal propellor unit mounted for rotation about a vertical axis. Each propellor vane of the unit includes an external shell configured to form an elongated trough with an open trailing edge. A webbing is mounted within the shell to form a series of cells which are exposed through the open trailing edge. The shell has a parabolic cross section, and its leading edge has an airfoil shape. The propellor unit responds to wind from any direction so that the need for wind tracking mechanisms is obviated. Moreover, the construction is such that gyroscopic vibrations due to wind changes are also minimized.

REFERENCES:
patent: 303585 (1884-08-01), Morehouse
patent: 625614 (1899-05-01), Thompson
patent: 1359180 (1920-11-01), Levesque
patent: 1609883 (1926-12-01), Potts
patent: 1812741 (1931-06-01), Espinosa
patent: 2252788 (1941-08-01), Sparr
patent: 2518611 (1950-08-01), Geiger

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