Radial vane rotary internal combustion engine
Radial vane rotary internal combustion engine
Rotary engine
Rotary engine
Rotary engine
Rotary engine
Rotary engine
Rotary engine with lateral pistons
Rotary internal combustion engine
Rotary internal combustion engine
Rotary internal combustion engine
Rotary machine
Rotary motor or engine having a rotational gate valve
Rotary motor/pump
Rotating head and piston engine