TIDAL POWER PLANT Russian patent published in 1997 - IPC

FIELD: hydroelectric power engineering. SUBSTANCE: plant has vertical hollow cylinder 1, compressed air tank 2, turbine 3, piston 4 joined with float 5. Piston 4 forms high-pressure air chambers 6,7 inside cylinder 1. Buffer chambers 8,9 are connected to them and provided with spring-loaded pistons 10,11. Chambers 6,7 communicate with atmosphere through air intake 12 by means of pipings with valves 13,14. Pistons 10,11 are loaded with springs 15. High-pressure air chambers communicate with compressed air tank 2 through pipings 16,17 wit valves 18,19. Each buffer chamber is provided with device 20 for adjusting tension of spring 15. Cylinder 1 is placed on ground 21. EFFECT: improved design. 2 cl, 1 dwg