However, in a compressed air engine, no additional energy is gained if the air in the cylinder is compressed on the upward strokeofthepiston.
然而,在压缩空气引擎,不需要额外的能源是涨,如果空气中的气缸压缩的向上中风活塞。
2
A two-stroke engine has no moving valves, and the spark plug fires each time the piston hits the top of its cycle.
二冲程发动机没有移动的阀,火花塞每次点火活塞到达循环顶端。
3
With thepiston now at BDC and all the gases having been burnt, it is important to remove all the burnt gases from the cylinder on the fourth and final strokeof the cycle of operations.