Reciprocating motion engine

Vibration isolation structure of linear oscillatory motor and stirling engine

Multicylinder free piston machine

Balanced multiple groupings of beta stirling machines

Resonant stator balancing of free piston machine coupled to linear motor or alternator

Stirling engine instability detection and prevention

Connection of a free-piston stirling machine and a load or prime mover permitting differing amplitudes of reciprocation