Wind-driven rotor assembly

Details Wind-driven rotor assembly Wind-driven rotor assembly

1976-06-21

1977-09-20

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Sustained ancillary movement of rotary working member

Responsive to gravity or working fluid force

416132B, F03D 306

Patent

active

040493628

ABSTRACT:
A wind-driven rotor for generating power has a central normally vertical column mounted in a base structure for rotation about the column axis. In the preferred form of the invention, a plate is secured to the top of the column perpendicular to the axis of rotation, and functions both as a aerodynamic end plate and as a bracket supporting a group of articulating airfoils. These are rotatable about a pivot connection to the end plate with freedom of movement within a limited sector of articulation providing driving and feathering airfoil positions. The airfoils are preferably triangular, with an apex downward, and pivotally connected to a member fixed with respect to the column at a position relatively close to the column axis, so that one side of the triangular configuration approaches parallelism with the column.

REFERENCES:
patent: 19383 (1858-02-01), Shaw
patent: 1021560 (1912-03-01), Swift
patent: 1171584 (1916-02-01), Blakely
patent: 1299151 (1919-04-01), Ebert
patent: 1417000 (1922-05-01), Vogt et al.
patent: 1644912 (1927-10-01), Burch

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