Spherical piston radial action engine
Toroidal internal combustion engine
Two cycle rotary internal combustion engine
Two cycle rotary internal combustion engine and cylinder sealing
Two-cycle rotary-reciprocal-engine
Two-cycle, rotary, reciprocating piston engine
Two-way cylinder engine
Uniflow-type external combustion engine featuring double expansi
Valve system in a rotary radial-piston engine
Valve system in a rotary radial-piston engine
Valveless rotating cylinder internal combustion engine
Valveless rotating cylinder internal combustion engine
Valving system for compressors, engines and the like
Variable compression ratio device of internal combustion engine
Variable compression ratio device of internal combustion engine