WAVE PROPELLER CONTROL SYSTEM Russian patent published in 1996 - IPC

FIELD: shipbuilding; engines using energy of sea swell. SUBSTANCE: control system of wave propeller which is made in form of wing articulated to trunnion 2 by means of bracket 3 has pressure hydraulic cylinder 5 kinematically linked with wing and control hydraulic cylinders 19-21 interconnected in series by means of hydraulic drives 14 provided with valves 15,16,17, and 18. Each hydraulic cylinder is provided with movable disks 10 fitted with stops 11 and travel limiters with springs 12 mounted between disks 10. EFFECT: enhanced reliability. 3 dwg