Free-planetary gear moderated nutating (athena) engine
Fuel injection control valve
Fuel injection rotary piston internal combustion engine of the t
Fuel injection type rotary piston engine
Fuel supply means for rotary piston engines
Gas compressor/expander
Gas fuel engine
Gear synchronized articulated vane rotary machine
Geroter type internal combustion engine
Gorski rotary engine
Grooved double combustion chamber rotary engine
Heat engine
Helicotoroidal vane rotary engine
High compression rotary engine
High Efficiency rotary piston combustion engine
High efficiency tri-rotor ballistic engine
High speed rotary engine and ignition system
High-output robust rotary engine with a symmetrical drive...
High-power rotary engine with varaiable compression ratio
Hinge valved rotary engine with separate compression and expansi