Float type wave energy extraction apparatus and method

Details Float type wave energy extraction apparatus and method Float type wave energy extraction apparatus and method

1986-10-10

1988-06-28

Shoop, Jr., William M.

Prime-mover dynamo plants

Tide and wave motors

290 42, 290 43, 417330, 417331, 60495, 60496, F03B 1312

Patent

active

047541571

ABSTRACT:
An apparatus and method of obtaining useful energy from wave action in a body of water. The apparatus comprises a cylinder, a reciprocal piston in the cylinder, a piston rod connected to the piston and extending sealably out of the cylinder, a mechanical tensioning device connected between the piston and the cylinder for maintaining resilient tension between the piston and the cylinder, a float connected to one of the piston rod or the cylinder, an anchor flexibly connected to the other of the piston rod or the cylinder which is not connected to the float, an inlet check valve and an outlet check valve connected to the cylinder, and a conduit extending from the outlet check to an area where water may be usefully employed. The mechanical tensioning device may be a spring or a weight and tether. The apparatus and method may be used to operate a hydroelectric generator.

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