Fluid reaction surfaces (i.e. – impellers) – Float supported – Buoyant hub or rim
Patent
1983-04-11
1985-10-15
Powell, Jr., Everette A.
Fluid reaction surfaces (i.e., impellers)
Float supported
Buoyant hub or rim
416 84, 416132B, 416189, F03D 106
Patent
active
045471240
ABSTRACT:
An impeller for a windmotor consists of a rigid hub attached to a rotatingly mounted shaft, an outer rim concentric with the hub and a number of radial vanes of a flexible material, such as fabric, stretched between the hub and the rim, whereby their angle of inclination decreases from their inner to their outer ends. The rim is likewise made of a flexible, non-permeable fabric or other material in the shape of a hollow torus, which is filled with a gas at a pressure sufficient to maintain the shape of the torus under the stresses of wind and other forces. The torus may be filled with hydrogen or helium, whereby the entire impeller becomes lighter than air, thus eliminating the weight factor with regard to impellers with very large diameters.
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Kliatzkin Vladimir
Krimerman Joseph
Mayraz Eliezer
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