Power plants – Motor having a buoyant working member – Working member actuated by the rise and fall of a surface of...
Patent
1987-11-30
1988-11-01
Husar, Stephen F.
Power plants
Motor having a buoyant working member
Working member actuated by the rise and fall of a surface of...
60505, 60398, 290 42, 290 53, 417332, F03B 1312
Patent
active
047810238
ABSTRACT:
This invention relates to a system for the generation of useful energy from the power in ocean waves. The wave power generation system is an array of individual absorber units each consisting of a buoyant raft, connected to a stable mooring assembly by means of a yoke so as to allow relative motion between the buoyant raft and the mooring assembly in response to the motion of the waves. A linkage between the buoyant raft and the yoke allows conversion of the relative motion into mechanical, hydraulic and/or electrical power. The system is designed to be responsive to the broad spectrum of frequencies present in ocean waves. The response characteristics of the individual absorber units can be changed to match the conditions of the incident waves in order to provide maximum power conversion efficiency. Each unit of the array is tuned to a condition for maximum power absorption by control of the shape, mass, moments, and power extraction impedance. The system is deployed so as to minimize the capital and operating cost of the system. The deployment configuration is selected to produce minimum aesthetic effect on the environment yet be close enough to shore to keep electrical transmission and mooring costs to a minimum and to extract the maximum amount of power per unit area of installation. The system is capable of producing base load power to a large electrical grid.
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Husar Stephen F.
Rose David A.
Sea Energy Corporation
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