Mechanism for changing the crank shaft timing in the double crankshaft opposed piston engine of the belt / chain drive expression

摘要

Mechanism for changing the crank shaft timing in the double crankshaft opposed piston engine by the frame belt / chain drive type, the two crankshafts tension by two or more tensioners are connected by a belt or chain is applied including a sprocket that of the corresponding end. By changing the position of the tensioner, the length of the two spans of the belt / chain is changed, therefore, the phase between the crankshaft is changed.