JPS5932112U

JPS5932112U - automotive muffler

Info

Publication number: JPS5932112U
Application number: JP12901582U
Authority: JP
Inventors: 大村　英夫
Original assignee: 日産自動車株式会社
Priority date: 1982-08-25
Filing date: 1982-08-25
Publication date: 1984-02-28

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 drawings]

第１図は従来の自動車用マフラを示す正面断面図、第２
．３図はこの考案に係る自動車用マフラの一実施例を示
す図であり、第２図はその正面断面図、第３図はそのバ
ルブ機構の拡大断面図である。２１・・・外筒、２６・・・第１室、２７・・・第２室
、２８・・・第３室、２９・・・排気導入管、３０・・
・連通管、３１・・・出口管、３２・・・バルブ機構、
３７・・・排気放出管、３８・・・小孔。Figure 1 is a front sectional view showing a conventional automobile muffler;
．． FIG. 3 is a diagram showing an embodiment of the automobile muffler according to the invention, FIG. 2 is a front sectional view thereof, and FIG. 3 is an enlarged sectional view of the valve mechanism. 21... Outer cylinder, 26... First chamber, 27... Second chamber, 28... Third chamber, 29... Exhaust introduction pipe, 30...
・Communication pipe, 31... Outlet pipe, 32... Valve mechanism,
37...Exhaust discharge pipe, 38...Small hole.

Claims

[Scope of utility model registration request]

an outer cylinder having a first chamber, a second chamber, and a third chamber defined therein; an exhaust introduction pipe having one end communicating with the engine and the other end opening into the first chamber; and the first chamber and the third chamber. A vehicle for an automobile, comprising: a communication pipe communicating with the second chamber; and an exhaust discharge pipe having one end communicating with the exhaust introduction pipe and the other end opening to the outside air, and having a plurality of small holes communicating with the second chamber. A muffler for an automobile, characterized in that the third chamber is provided with an outlet pipe that communicates with outside air, and the outlet pipe is provided with a valve mechanism that opens when the engine rotates at high speed.