Wind turbine

Details Wind turbine Wind turbine

1992-03-02

1994-03-22

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

With means positioning fluid current driven impeller...

Offset relative to flow direction

416 10, F03D 700

Patent

active

052957934

ABSTRACT:
An improved wind turbine 10 is described having a swivel head 18 mounted at an upper end of a support tower 12 for pivoting about a substantially vertical axis Y. A radial blade rotor assembly 48 is mounted to the swivel head 18 for pivotal movement about a substantially horizontal pivot axis X that is offset and spaced downwind of the vertical axis Y. The rotor assembly 48 has a rotor shaft 50 that rotates about a rotor axis Z that is spaced from the horizontal pivot axis X. The rotor assembly has a plurality of airfoil blades 64 that are attached to and extend radially outward from the rotor axis. The blades 64 rotate with a shallow inward conical path about the rotor axis Z in the blades 64 extending radially outward at an inclined angle from perpendicular of between 0 and 5 degrees. An electrical alternator 80 is connected to the rotor shaft 50 for generating electrical power directly from the rotor assembly 48.

REFERENCES:
patent: 2026828 (1936-01-01), Dunn
patent: 2178047 (1939-10-01), Malme
patent: 4435646 (1984-03-01), Coleman et al.
patent: 4449889 (1984-05-01), Belden
patent: 4767939 (1988-08-01), Calley
patent: 4773824 (1988-10-01), Kiss

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