Electricity generating wind turbine

Details Electricity generating wind turbine Electricity generating wind turbine

1991-05-01

1992-01-28

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Radially extensible or retractible rotor working member

416119, 416197A, F03D 306

Patent

active

050839012

ABSTRACT:
A drum is mounted for rotation about an axis. Its surface is substantially cylindrical about the axis, and axially mounted outside of the surface is a plurality of vanes each defining a slot with respect to the surface. The slot is an aerodynamic slot where accelerating air decreases pressure to produce thrust which is in the direction of rotation. The outer surface of the drum is not quite cylindrical, but is shaped to be of larger diameter at the slot to enhance Venturi action.

REFERENCES:
patent: 2812823 (1957-11-01), De Oviedo
patent: 4004861 (1977-01-01), Soules
patent: 4209281 (1980-06-01), Edmunds
patent: 4365934 (1982-12-01), Mason
patent: 4402650 (1983-09-01), Jones
patent: 4490623 (1984-12-01), Goedecke
patent: 4537559 (1985-08-01), Herrmann
patent: 4970404 (1990-11-01), Barger

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