Apparatus for harvesting wave energy

Details Apparatus for harvesting wave energy Apparatus for harvesting wave energy

1983-07-08

1984-07-31

Ostrager, Allen M.

Power plants

Motor having a buoyant working member

Working member actuated by the rise and fall of a surface of...

60502, F03B 1312

Patent

active

044622112

ABSTRACT:
A wave energy harvesting apparatus includes a float which rises and falls with wave movements across the surface of a body of water. A hollow tube having a turbine located inside thereof is located vertically downward from the float and is connected to the float by connecting members. The hollow tube is positioned at a depth which is essentially displaced sufficient from the surface of the body of water so as not to be influenced by vertical water movement associated with the waves moving across the surface of the body of water. The tube, however, is moved upwardly and downwardly through the water at that depth in response to movement of the float by the waves on the surface of the water. Movement of the tube upwardly and downwardly at the depth causes rotation of the turbine located in the tube, with the turbine in turn rotating the connecting member to transfer the rotational motion to the surface, wherein this rotational motion is then utilized to drive a generator or the like.

REFERENCES:
patent: 937712 (1909-10-01), McFarland, Jr.
patent: 3870893 (1975-03-01), Mattera
patent: 4208875 (1980-06-01), Tsubota
patent: 4359868 (1982-11-01), Slonim
"Ocean Wave Energy Conversion", by M. E. McCormick, Wiley-Interscience Publication, John Wiley & Sons, p. 145.

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