Windmill

Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Plural distributing means immediately upstream of runner

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Details

415 2, F03B 318

Patent

active

039946215

ABSTRACT:
A windmill comprising a generally cylindrically shaped housing having a vertical axis, a vertical shaft concentrically disposed in the housing and a rotor fixedly attached to the shaft and comprising a plurality of equally peripherally spaced, vertically extending trough-shaped wind scoops. Each scoop has a closed back surface with vertically extending leading and following edges and a vertically extending open front exposed to the wind. Each scoop is attached at its edges to the adjacent scoops to form a generally cylindrical scoop assembly. The housing comprises a plurality of equally peripherally spaced apart stationary wind-directing and concentrating vanes, each vane having a proximal end forming a cylindrical surface substantially concentric with the axis of rotation of the scoop assembly, the cylindrical surfaces and the scoop assembly being of substantially equal diameter for closely spacing the scoop assembly and vanes, and each of the vanes projecting outwardly generally tangentially from the cylindrical surfaces of the proximal ends of the vanes and scoop assembly. The length of the arc of the cylinder formed by the proximal end of each vane exceeds the length of the arc of the cylinder described by the open front of each of the wind scoops for preventing the escape of air impinging upon the inner surfaces of the scoops from between the scoop and the proximal end of the stationary vane.

REFERENCES:
patent: 578759 (1897-03-01), McElroy
patent: 1062099 (1913-05-01), Hoglund
patent: 1234405 (1917-07-01), Solomon
patent: 1441774 (1923-01-01), Adams
patent: 1503061 (1924-07-01), Pendergast
patent: 2096119 (1937-10-01), Lensch et al.
patent: 2431111 (1947-11-01), Dubrie

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