71387 ⎘
Propulsive elements directly acting on water of rotary type with rotation axis substantially at right angles to propulsive direction with adjustable vanes or blades
Sub-classes:Cycloidal marine propulsion unit and a marine vessel equipped therewith
#2Amphibious vehicles comprising cycloidal propellers
#3DRIVE MODULE FOR A BOAT-LIKE BUOYANCY BODY, AND BUOYANCY BODY EQUIPPED THEREWITH
#4Torque-sensitive locking and release mechanism for a bistable pitch propeller
#5Vortex shedding cyclical propeller
#6Torque-sensitive locking and release mechanism for a bistable pitch propeller