Rotary piston engine exhaust gas recycling means

Rotary piston engine having supercharging means

Rotary piston engine having supercharging means

Rotary piston engine with slide gate

Rotary piston engine/positive displacement apparatus

Rotary piston engines

Rotary piston internal combustion engine

Rotary piston internal combustion engine

Rotary piston internal combustion engine

Rotary piston internal combustion engine

Rotary piston internal combustion engine

Rotary piston internal combustion engine

Rotary piston internal combustion engine

Rotary piston internal combustion engine

Rotary piston internal combustion engine

Rotary piston internal combustion engine and method for influenc

Rotary piston internal combustion engine with water injection

Rotary piston machine

Rotary piston machine

Rotary piston machine