JPS5892404U - Exhaust silencer for internal combustion engines - Google Patents

Exhaust silencer for internal combustion engines

Info

Publication number
JPS5892404U
JPS5892404U JP18873781U JP18873781U JPS5892404U JP S5892404 U JPS5892404 U JP S5892404U JP 18873781 U JP18873781 U JP 18873781U JP 18873781 U JP18873781 U JP 18873781U JP S5892404 U JPS5892404 U JP S5892404U
Authority
JP
Japan
Prior art keywords
internal combustion
housing
combustion engines
exhaust silencer
divided
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP18873781U
Other languages
Japanese (ja)
Inventor
睦生 関谷
英晴 田中
英興 内川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP18873781U priority Critical patent/JPS5892404U/en
Publication of JPS5892404U publication Critical patent/JPS5892404U/en
Pending legal-status Critical Current

Links

Landscapes

  • Exhaust Silencers (AREA)

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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の内燃機関用排気消音装置を示す側面断面
図、第２図は同装置の改良案を示す側面断面図、第３図
は第２図の消音装置の周波数特性図、第４図はこの考案
に係る内燃機関用排気消音装置の一例を示す側面断面図
、第５図はこの考案の消音装置の周波数特性図である。 １・・・筐体、４・・・拡大管、５・・・通気孔、６・
・・隔壁、７・・・連通孔、２０□、２０□・・・多孔
質吸音体。なお、図中同一符号は同一もしくは相当部分
を示す。Fig. 1 is a side sectional view showing a conventional exhaust muffler for internal combustion engines, Fig. 2 is a side sectional view showing an improvement plan for the same device, Fig. 3 is a frequency characteristic diagram of the muffler shown in Fig. 2, and Fig. 4 FIG. 5 is a side sectional view showing an example of an exhaust muffler for an internal combustion engine according to this invention, and FIG. 5 is a frequency characteristic diagram of the muffler according to this invention. 1... Housing, 4... Expansion tube, 5... Ventilation hole, 6...
...Partition wall, 7...Communication hole, 20□, 20□...Porous sound absorber. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 筐体内に収納されてほぼ直線状の風路を構成する筒形の
多孔質吸音体と、上記風路の出口に位置して上記筐体に
突設された拡大管と、上記筐体の周壁に形成された産気
孔とを備え、上記多孔質吸音体を風路方向において複数
段に分割構成するとともに、各段の吸音体の空孔径を異
ならせて設定し、さらに上記分割位置において上記吸音
体を支持する隔壁で上記筐体内を分割し、この隔壁に連
通孔を形成した内燃機関用排気消音装置。A cylindrical porous sound absorber that is housed in a housing and forms a substantially linear air passage; an expansion tube located at the outlet of the air passage and protruding from the housing; and a peripheral wall of the housing. The porous sound absorber is divided into multiple stages in the air path direction, and the pore diameters of the sound absorbers in each stage are set to be different. An exhaust muffler for an internal combustion engine, wherein the inside of the casing is divided by a partition wall that supports the body, and a communication hole is formed in the partition wall.
JP18873781U 1981-12-16 1981-12-16 Exhaust silencer for internal combustion engines Pending JPS5892404U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18873781U JPS5892404U (en) 1981-12-16 1981-12-16 Exhaust silencer for internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18873781U JPS5892404U (en) 1981-12-16 1981-12-16 Exhaust silencer for internal combustion engines

Publications (1)

Publication Number Publication Date
JPS5892404U true JPS5892404U (en) 1983-06-22

Family

ID=29992509

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18873781U Pending JPS5892404U (en) 1981-12-16 1981-12-16 Exhaust silencer for internal combustion engines

Country Status (1)

Country Link
JP (1) JPS5892404U (en)

Similar Documents

Publication Publication Date Title
JPS5892404U (en) Exhaust silencer for internal combustion engines
JPS5892403U (en) Exhaust silencer for internal combustion engines
JPS584716U (en) Silencer for internal combustion engines
JPS5887918U (en) Exhaust silencer for internal combustion engines
JPS5892406U (en) Exhaust silencer for internal combustion engines
JPS5892405U (en) Exhaust silencer for internal combustion engines
JPS5887916U (en) Exhaust silencer for internal combustion engines
JPS5833715U (en) Silencer
JPS59192612U (en) automotive silencer
JPS59102977U (en) Internal combustion engine intake noise reduction device
JPS6023206U (en) Exhaust silencer
JPS59116512U (en) Silencer
JPS5887917U (en) Exhaust silencer for internal combustion engines
JPS5816310U (en) scarf
JPS6117414U (en) Muffler for internal combustion engine
JPS5833718U (en) Silencer
JPS58163668U (en) Air cleaner with resonator for internal combustion engines
JPS5886422U (en) Automobile muffler
JPS60147710U (en) automotive silencer
JPS58104310U (en) automotive muffler
JPS58181920U (en) Internal combustion engine exhaust muffler
JPS58142306U (en) Engine exhaust gas muffler
JPS60128924U (en) Silencer for internal combustion engines
JPS59100913U (en) Engine silencer
JPS59100914U (en) Engine silencer