JPS59519U

JPS59519U - automotive muffler

Info

Publication number: JPS59519U
Application number: JP9622482U
Authority: JP
Inventors: 宮部　秀夫
Original assignee: Toyota Motor Corp
Current assignee: Toyota Motor Corp
Priority date: 1982-06-24
Filing date: 1982-06-24
Publication date: 1984-01-05

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図は第２図のＢ−Ｂ線断面図でこの考案の第１実施
例を示す。第２図は第１図のＡ−Ａ線断面図である。第
３図は第４図のＢ−Ｂ線断面図セこの考案の第２実施倒
を示す。第４図は第３図のＡ−Ａ線断面図である。１・・・マフラ、２・・・前部端板、３・・・後部端板
、４゜５．６・・・隔壁、７・・・第１拡張室、８・・
・第２拡張室、９・・・第３拡張室、１０・・・低周波
共鳴室、’１１゜１２．１３・・・インナパイプ、１４
川インレツトパイプ、１５・・・アウトレットパイプ。FIG. 1 is a sectional view taken along the line B--B in FIG. 2 and shows a first embodiment of this invention. FIG. 2 is a sectional view taken along line A--A in FIG. 1. FIG. 3 is a sectional view taken along the line B--B in FIG. 4 and shows a second embodiment of this invention. FIG. 4 is a sectional view taken along the line A--A in FIG. 3. DESCRIPTION OF SYMBOLS 1... Muffler, 2... Front end plate, 3... Rear end plate, 4°5.6... Bulkhead, 7... First expansion chamber, 8...
・Second expansion chamber, 9...Third expansion chamber, 10...Low frequency resonance chamber, '11゜12.13...Inner pipe, 14
River inlet pipe, 15...outlet pipe.

Claims

[Scope of utility model registration request]

A plurality of transverse partition walls are provided in the cylinder whose front and rear ends are respectively closed by a front end plate and a rear end plate. Each partition wall is provided with an inner pipe that communicates the chambers on both sides of the partition wall, and an inlet pipe is provided through the partition wall and front end plate except for the partition wall located at the rearmost part. and an outlet pipe is attached to each bulkhead and rear end plate passing through them,
The front end of the inlet pipe is connected to the exhaust pipe, and the rear end of the outlet pipe is connected to the atmosphere. An automobile muffler is characterized in that it protrudes forward from a partition wall, is bent toward an inlet pipe, and its tip is close to the inlet pipe.