Disc-type rotary engine
Dual action geneva cam and rotary internal combustion engine and
Dual ignition and controlled intake rotary motor and method...
Dual radius rotor for pre-mixed-charge rotary engine combustion
Dual rotor internal combustion engine
Economical eccentric internal combustion engine
Elliptical rotary engine
Energy conversion devices
Energy transfer machine
Engine
Engine system
Enhanced method of closed vessel combustion
Equivalence-boosted sliding vane internal combustion engine
Exhaust port structure for rotary piston engines
External combustion vane engine with conformable vanes
Flexible cylinder engine
Flexible vane rotary engine
Fluid displacement apparatus
Four cycle rotary engine
Four cycle rotary engine employing eccentrical mounted rotor