| 摘要 |
The present invention relates to a cylinder with a piston assembly 7, which essentially comprises a gear drive 1, a gear wheel 2, a link rod 3, a main shaft 4, an extra crankshaft 5 and a dovetail cam disc 6, the piston assembly 7 stopping every time it has moved upwards and downwards in order thus to produce an adequate quantity of suction air and cooling time and thus increase the volumetric efficiency. <IMAGE> |
