JPS6081225U

JPS6081225U - Silencer

Info

Publication number: JPS6081225U
Application number: JP17392283U
Authority: JP
Inventors: 稲葉　元宏; 大村　英夫
Original assignee: 日産自動車株式会社
Priority date: 1983-11-10
Filing date: 1983-11-10
Publication date: 1985-06-05

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の消音器を示す正面断面図、第２．３図は
本考案に係る消誉器の一実施例を示す図であわ、第２図
はその正面断面図、第３図はその排気騒音スペクトルを
従来例との比較において示す図である。２１・・・外筒、２６・・・第１室、２７・・・第２室
、２９・・・入口管、３０・・・小孔、３５・・・出口
管、３６・・・多孔質金属管。Fig. 1 is a front sectional view showing a conventional muffler, Figs. 2 and 3 are views showing an embodiment of the muffler according to the present invention, Fig. 2 is a front sectional view thereof, and Fig. 3 is a front sectional view showing a muffler according to the present invention. FIG. 3 is a diagram showing the exhaust noise spectrum in comparison with a conventional example. 21... Outer cylinder, 26... First chamber, 27... Second chamber, 29... Inlet pipe, 30... Small hole, 35... Outlet pipe, 36... Porous metal tube.

Claims

[Scope of utility model registration request]

an outer cylinder in which a first chamber and a second chamber are defined; an inlet pipe that penetrates the first chamber and opens into the second chamber; an outlet pipe that penetrates the second chamber and opens into the first chamber; A silencer comprising: a plurality of small holes communicating with the first chamber formed in the inlet pipe; and a portion of the outlet pipe passing through the second chamber made of porous metal. vessel.