central engine

Improvement is done to the crank train and cylinder block of an opposed engine by fixing and connecting two opposite pistons with a crank, thus making the opposite cylinders of a opposed multi-cylinder engine are symmetrical to the crankshaft.

对对置式发动机曲柄连杆机构及气缸体进行改进,采用对置活塞固化方法将两个活塞形成一个活塞组合。