Fluid reaction surfaces (i.e. – impellers) – Working member supported on endless flexible carrier – Feathering blades
Patent
1977-01-07
1979-11-27
Powell, Jr., Everette A.
Fluid reaction surfaces (i.e., impellers)
Working member supported on endless flexible carrier
Feathering blades
415 5, F03D 502
Patent
active
041759109
ABSTRACT:
This invention relates to a windmotor as a windbreak fence. The windmotor serves as a shelter from the wind by converting part of the windenergy into useful energy and part of it into whirling movements. The windmotor looks similar to a conveyor as used for a skier's chairlift. The chairlift has one closed cable, with chairs attached, running from the one end to the other end of the lift. The conveyor type windmotor has additionally another cable running at a lower level parallel to the upper cable. Both cables run at the same velocity in same direction over a pair of wheels at each end of the windmotor. Upper and lower cables, on windside and leeside, are interconnected by a number of vanes in such a manner that the wind blowing on these vanes will force the windside cables with the vanes to move in one direction and the leeside cables with the vanes in the opposite direction, whereby generating a rotational movement of the wheels. When a vane goes over a pair of wheels then the vane will change automatically the pitch angle to the cable from windside pitch to leeside pitch and vice versa. In areas where strong unidirectional winds predominate, the new windmotor has the dual purpose of being a windbreak fence and a source of useful energy.
REFERENCES:
patent: 443641 (1890-12-01), Eastman
patent: 1049724 (1913-01-01), Johnson
patent: 1292389 (1919-01-01), Cook
patent: 1526631 (1925-02-01), Fagan
patent: 3730643 (1973-05-01), Davison
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