JPS603227U - Automotive engine exhaust system - Google Patents

Automotive engine exhaust system

Info

Publication number
JPS603227U
JPS603227U JP9474083U JP9474083U JPS603227U JP S603227 U JPS603227 U JP S603227U JP 9474083 U JP9474083 U JP 9474083U JP 9474083 U JP9474083 U JP 9474083U JP S603227 U JPS603227 U JP S603227U
Authority
JP
Japan
Prior art keywords
exhaust system
main muffler
catalytic converter
engine exhaust
distance
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.)
Granted
Application number
JP9474083U
Other languages
Japanese (ja)
Other versions
JPS6345539Y2 (en
Inventor
稲葉　元宏
Original Assignee
日産自動車株式会社
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 日産自動車株式会社 filed Critical 日産自動車株式会社
Priority to JP9474083U priority Critical patent/JPS603227U/en
Publication of JPS603227U publication Critical patent/JPS603227U/en
Application granted granted Critical
Publication of JPS6345539Y2 publication Critical patent/JPS6345539Y2/ja
Granted legal-status Critical Current

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  • 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図は従来の排気装置の側面図、第２図はそのメイン
マフラの断面図、第３図はポストマフラの断面図、第４
図はこの考案の排気装置を模式的に示す説明図、第５図
は周波数と吐出音圧との関係を本考案と従来とで比較し
て示す特性図、第６図はこの考案に係る排気装置の一実
施例を示す側面図、第７図はそのメインマフラの断面図
、第８図はポストマフラの断面図、第９図は触媒コンバ
ータの断面図である。 １１・・・エンジン、１２・・・吐出口、１３・・・第
１排気管、１４・・・第２排気管、１５・・・第３排気
管、１６・・・触媒コンバータ、１７・・・メインマフ
ラ、１８・−・共鳴器。Fig. 1 is a side view of a conventional exhaust system, Fig. 2 is a sectional view of its main muffler, Fig. 3 is a sectional view of its post muffler, and Fig. 4 is a sectional view of its main muffler.
Figure 5 is an explanatory diagram schematically showing the exhaust system of this invention, Figure 5 is a characteristic diagram comparing the relationship between frequency and discharge sound pressure between the invention and the conventional one, and Figure 6 is the exhaust system according to this invention. FIG. 7 is a sectional view of the main muffler, FIG. 8 is a sectional view of the post muffler, and FIG. 9 is a sectional view of the catalytic converter. DESCRIPTION OF SYMBOLS 11... Engine, 12... Discharge port, 13... First exhaust pipe, 14... Second exhaust pipe, 15... Third exhaust pipe, 16... Catalytic converter, 17...・Main muffler, 18... Resonator.

Claims (1)

【実用新案登録請求の範囲】 エンジンから触媒コンバータまでの距離１１と、触媒コ
ンバータからメインマフラまでの距離１２と、メインマ
フラから吐出口までの距離１３との３者の比が、約１：
２：２となる位置に、触媒コンバータと、拡張要素を主
体にしたメインマフラとを配設し、かつ上記触媒コンバ
ータとメインマフラとの間の中央部あるいはメインマフ
ラと吐出口との間の中Ｃ 央部に、ｆ　＝４　Ｌ　（ｃ：音速、Ｌ：エンジンから
吐出口までの排気系全長）の周波数に合わせた共鳴器を
配設したことを特徴とする自動車用エンジンの排気装置
。[Claim for Utility Model Registration] The ratio of the distance 11 from the engine to the catalytic converter, the distance 12 from the catalytic converter to the main muffler, and the distance 13 from the main muffler to the discharge port is approximately 1:
A catalytic converter and a main muffler mainly consisting of an expansion element are arranged at a position of 2:2, and the central part between the catalytic converter and the main muffler or the middle part between the main muffler and the discharge port is arranged. C. An exhaust system for an automobile engine, characterized in that a resonator matched to a frequency of f = 4 L (c: speed of sound, L: total length of the exhaust system from the engine to the exhaust port) is disposed in the center.
JP9474083U 1983-06-20 1983-06-20 Automotive engine exhaust system Granted JPS603227U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9474083U JPS603227U (en) 1983-06-20 1983-06-20 Automotive engine exhaust system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9474083U JPS603227U (en) 1983-06-20 1983-06-20 Automotive engine exhaust system

Publications (2)

Publication Number Publication Date
JPS603227U true JPS603227U (en) 1985-01-11
JPS6345539Y2 JPS6345539Y2 (en) 1988-11-25

Family

ID=30226609

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9474083U Granted JPS603227U (en) 1983-06-20 1983-06-20 Automotive engine exhaust system

Country Status (1)

Country Link
JP (1) JPS603227U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013029046A (en) * 2011-07-27 2013-02-07 Toyota Motor Corp Vehicle muffler
CN113175375A (en) * 2020-01-24 2021-07-27 双叶产业株式会社 Silencing device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4759700B2 (en) * 2004-08-02 2011-08-31 トヨタ自動車株式会社 Exhaust structure
JP4508224B2 (en) * 2007-09-06 2010-07-21 トヨタ自動車株式会社 Exhaust silencer for internal combustion engine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013029046A (en) * 2011-07-27 2013-02-07 Toyota Motor Corp Vehicle muffler
CN113175375A (en) * 2020-01-24 2021-07-27 双叶产业株式会社 Silencing device
JP2021116732A (en) * 2020-01-24 2021-08-10 フタバ産業株式会社 Muffler

Also Published As

Publication number Publication date
JPS6345539Y2 (en) 1988-11-25

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