The engine has a cylindrical fire tube (2) and a transversal base (3) that is lodged in adjustment with an interior of the fire tube. The transversal base delimits a combustion chamber with a lateral wall of the tube. The base is movably mounted with respe...

The device has a linearly moveable piston device (12) and a runner (36) connected to the piston. It also has a stator (50). The piston is driven by the effect of a medium which expands in an expansion chamber. The device has a first displacement chamber (2...