Wave power apparatus

Details Wave power apparatus Wave power apparatus

1991-10-18

1993-03-02

Pellinen, A. D.

Prime-mover dynamo plants

Tide and wave motors

290 42, 417100, F03B 1312

Patent

active

051912252

ABSTRACT:
A wave power apparatus (10) includes a chamber (16) which may be constructed over a coastal gully (12) so that waves (14) cause the water level to rise and fall in the chamber, and so cause air to flow to and fro in a duct (32). A Wells-type biplane turbine (34) in the duct (32) drives a generator (36). The turbine (34) comprises two turbine discs (45) 0.5 m apart, each defining a hub, a plurality of aerofoil section straight blades (80), and an outer ring (56). The ring (56) is sufficiently massive to act as an energy-storage flywheel, and has a greater moment of inertia than the hub and the blades. Each turbine disc (45) might have a kinetic energy of at least 1 MJ when rotating at 1650 rpm.

REFERENCES:
patent: 4221538 (1980-09-01), Wells
patent: 4405866 (1983-09-01), Masuda et al.

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