Rotary engine
Rotary engine having a conical rotor
Rotary engine provided with first and secondary rotatably mounte
Rotary internal combustion engine with cam transmission
Rotary machines comprising four cylinders in a star
Rotary mechanical field assembly
Rotary motion transformer
Rotary piston motor
Rotary power unit
Rotary sleeve-valve internal combustion engine
Rotary valve cam engine
Rotary-linear power device
Rotating cylinder valve engine
Rotational motion mechanism and engine
Rotor engine