Wave energy converter with internal mass on spring oscillator

Details Wave energy converter with internal mass on spring oscillator Wave energy converter with internal mass on spring oscillator

2008-10-24

2011-11-29

Waks, Joseph (Department: 2839)

Prime-mover dynamo plants

Tide and wave motors

Reexamination Certificate

active

08067849

ABSTRACT:
A wave energy converter (WEC) system includes a shell containing an internal oscillator comprised of a reaction mass suspended from the shell by an elastic spring in parallel with a constant force spring. The constant force spring provides a relatively constant force (Fc) to counterbalance the static weight of the reaction mass and reduce the extension “static” length of the elastic spring while the elastic spring exerts a force (Fes) on the reaction mass that is proportional to the displacement, x, of the elastic spring. A power take-off (PTO) device, located within the shell, coupled between the shell and the internal oscillator converts their relative motion into electrical energy.

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