Devices for utilizing the power of the wind

Rotary kinetic fluid motors or pumps – With means for controlling casing or flow guiding means in...

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415151, F03D 704

Patent

active

041545567

ABSTRACT:
A wind power device incorporating a curved duct through which a rotatable shaft passes in a direction such that the axis of the shaft is normal to the plane containing one end of the curved duct and which continues through the curving portion of the wall of the duct opposite said end of the duct to the outside of the duct where it is connectible to a power-consuming device. A set of radially extending helically curved aerofoil blades is attached to the shaft at said end of the duct. Support means mounted on the blades at the tips thereof rest on a fixed annular guide means surrounding said end of the duct. Mounting means supports the duct in a position in which the shaft is vertical.

REFERENCES:
patent: 299127 (1884-05-01), Garrigus
patent: 581311 (1897-04-01), Scovel et al.
patent: 1966787 (1934-07-01), Bari
patent: 2112608 (1938-03-01), Schmidt
patent: 3209668 (1965-10-01), Haerter
patent: 3286983 (1966-11-01), Schaeper, Jr.
patent: 3531214 (1970-09-01), Abramson

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