| 摘要 |
<p>The engine has a main piston (2) operating in each cylinder (1). The main piston has two connecting rods (5) to connect it to the crankshaft (6). The main piston has a central bore which houses a second piston (7). The second piston is also connected to the crankshaft, but the throw of the crankpin (62) is greater than the pins (61) of the main piston. The engine is fitted with horizontally sliding overhead valves.</p> |
