| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an exhaust system that can suppress fine particles from being deposited on an inner wall of an exhaust pipe. <P>SOLUTION: The exhaust system 10 includes an introduction port 12a of an exhaust gas and an exhaust pipe 12 having an exhaust port 12b. The system further includes an ultrasonic wave generating device 16 connected to the exhaust pipe, which supplies an ultrasonic wave in the exhaust pipe so as to form a standing wave in the exhaust pipe and which changes a frequency of the ultrasonic wave. <P>COPYRIGHT: (C)2012,JPO&INPIT |
