Fluid reaction surfaces (i.e. – impellers) – Buoyant or inflatable working member
Patent
1985-11-04
1988-02-02
Powell, Jr., Everette A.
Fluid reaction surfaces (i.e., impellers)
Buoyant or inflatable working member
416 85, 416 11, 416176, 416188, 415 7, F03B 700, F03D 106
Patent
active
047226650
ABSTRACT:
A water turbine has a series of spaced blades attached to and extending around the periphery of a body portion, preferably of conical or similar shape; each of the blades has a leading end mounted at a mid region of the body e.g. halfway along it and each blade generally increases in radial dimension in the downstream direction towards the base of the body and each blade generally decreases in pitch of the blade surface in the downstream direction. A channel is defined between adjacent blades, the channel diverging in the downstream direction and the base of the body extends transversely to the axis of the body and co-operates with the blade structure to provide a zone of relative low pressure near the axial region of the body whereby an efficient water turbine is provided.
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Powell Jr. Everette A.
Schaap Robert J.
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