| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a silencer for ultrasonic flowmeter which is capable of damping ultrasonic noise regardless of the presence/absence of a foreign substance in a gas, and an ultrasonic flowmeter with silencer. <P>SOLUTION: In a silencer 10 for ultrasonic flowmeter, a tubular body 11 which is connected to a pipe 90 and in which a gas is passed through, an annular partition wall 14 which is expanded from an inner surface of the tubular body 11 and has a center hole 14A inside, and a central partition wall 15 having an annular hole 15A which is formed identically or similarly to the central hole 14A and formed between the central partition wall and the inner surface of the tubular body 11 are provided while being arranged side by side alternately in an axial direction of the tubular body 11 and the central hole 14A and the annular hole 15A are arranged while being displaced so as not to be confronted in the axial direction of the tubular body 11. <P>COPYRIGHT: (C)2013,JPO&INPIT |
