Stable wave motor

Details Stable wave motor Stable wave motor

1996-11-04

1998-12-01

Freay, Charles G.

Pumps

Motor driven

Tide or wave motor

47333, 60505, 290 53, F04B 2308

Patent

active

058428380

ABSTRACT:
A wave motion energy harvesting apparatus of the invention comprises a float portion detachably interfitted with and axially moveable with respect to a hydrodynamically resistive portion. The float portion of this apparatus is moored by means of a line attached adjacent its vertical axis, but the hydrodynamically resistive portion is neither anchored nor moored except by its being interfitted with the float portion. Both the float and the hydrodynamically resistive portions are separately configured to have their mass distributed evenly about a common vertical axis of the apparatus. The float portion of the apparatus is nearly neutrally buoyant and comprises an automatically filled water ballast tank.

REFERENCES:
patent: 3126830 (1964-03-01), Dilliner
patent: 3362336 (1968-01-01), Kafka
patent: 4277690 (1981-07-01), Noren
patent: 4326840 (1982-04-01), Hicks et al.
patent: 4421461 (1983-12-01), Hicks et al.
patent: 4631921 (1986-12-01), Linderfelt
patent: 4792290 (1988-12-01), Berg
patent: 5701740 (1997-12-01), Tveter

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