| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem of being unable to use the exhaust gas sucking-out effect of using an exhaust pulse of the other cylinder such as a multicylinder engine in a single cylinder engine. Ž<P>SOLUTION: This collecting exhaust pipe of the single cylinder engine merges its exhaust pipe again by dividing the exhaust pipe into two pieces just after a cylinder head of the single cylinder engine. Its divided exhaust pipe is different in the length up to a confluent part 2 from a separation part 1. Thus, even in an explosion of one time, a difference is caused in time when exhaust gas reaches the confluent part, and the exhaust pulse ungenerated in the single cylinder engine is intentionally generated, and exhaust efficiency can be improved as a result of obtaining the effect of sucking out the exhaust gas of the other exhaust pipe by previously exhausted exhaust gas. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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