JPS58146020U

JPS58146020U - Silencer

Info

Publication number: JPS58146020U
Application number: JP4363382U
Authority: JP
Inventors: 福盛　「あきら」
Original assignee: Calsonic Kansei Corp
Current assignee: Marelli Corp
Priority date: 1982-03-26
Filing date: 1982-03-26
Publication date: 1983-10-01

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図及び第２図は、それぞれ従来の消音器の概略断面
図、第３図は本考案に係る消音器の一実施例の断面図、
第４図は第３図のＸ−Ｘ線に沿った断面図である。１０・・・外函、１１３．１１ｂ・・・湾曲状仕切板、
１２・・・拡張室、１５・・・排気導入管、１６・・・
排気導出管、１９・・・小孔、２０・・・空間部、２０
ａ・・・端部曲面、２１．２５・・・吸音材、２２・・
・椀状拡張板、２３・・・椀状縮流板、２４・・・空間
体、２７・・・突起、Ａ１．Ａ２・・・吸音部、Ｂ・・
・吸音体。1 and 2 are schematic sectional views of a conventional silencer, respectively, and FIG. 3 is a sectional view of an embodiment of the silencer according to the present invention.
FIG. 4 is a sectional view taken along line X--X in FIG. 3. 10...Outer box, 113.11b...Curved partition plate,
12... Expansion chamber, 15... Exhaust introduction pipe, 16...
Exhaust outlet pipe, 19... Small hole, 20... Space, 20
a... End curved surface, 21.25... Sound absorbing material, 22...
- Bowl-shaped expansion plate, 23... Bowl-shaped contraction plate, 24... Space body, 27... Protrusion, A1. A2...Sound absorption part, B...
・Sound absorber.

Claims

[Scope of utility model registration request]

(1) An expansion chamber is provided in the center of the outer case by arranging curved partition plates facing each other with their concave surfaces facing inward, and exhaust gas is introduced into the expansion chamber at one end of the outer case. An exhaust gas introduction pipe is provided to introduce the exhaust gas, an exhaust gas discharge pipe is provided on the other end side of the outer case to lead out the exhaust gas in the expansion chamber, and the pipe ends are folded back to the outside at the pipe ends of the exhaust gas introduction pipe and the exhaust gas discharge pipe. A sound absorbing part filled with a sound absorbing material is provided in a space having a small hole having a curved end surface formed by the method, and between the exhaust inlet pipe and the exhaust outlet pipe,
A sound deadening device characterized in that a sound absorbing body filled with a sound absorbing material is arranged in a space body having a small hole in which a bowl-shaped expansion plate is arranged on the exhaust inlet pipe side and a bowl-shaped flow contraction plate is arranged on the exhaust outlet pipe side. vessel.

(2) Utility model registration claim 1, characterized in that the bowl-shaped expansion plate and the bowl-shaped contraction plate of the sound absorbing body are comprised of a bowl-shaped expansion plate and a bowl-shaped contraction plate having a projection in the center. silencer.