JPS59119914U - Engine exhaust sound control device - Google Patents

Engine exhaust sound control device

Info

Publication number
JPS59119914U
JPS59119914U JP1343283U JP1343283U JPS59119914U JP S59119914 U JPS59119914 U JP S59119914U JP 1343283 U JP1343283 U JP 1343283U JP 1343283 U JP1343283 U JP 1343283U JP S59119914 U JPS59119914 U JP S59119914U
Authority
JP
Japan
Prior art keywords
exhaust sound
introduction pipe
control device
sound
exhaust
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
JP1343283U
Other languages
Japanese (ja)
Other versions
JPS6342671Y2 (en
Inventor
橋本　俊博
正登 安藤
Original Assignee
マツダ株式会社
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 マツダ株式会社 filed Critical マツダ株式会社
Priority to JP1343283U priority Critical patent/JPS59119914U/en
Publication of JPS59119914U publication Critical patent/JPS59119914U/en
Application granted granted Critical
Publication of JPS6342671Y2 publication Critical patent/JPS6342671Y2/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) [Abstract] 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 drawings]

図面は、本考案の実施例を示すもので、第１図は第１実
施例を示す全体概略説明図、第２図は同要部拡大説明図
、第３図は第２実施例を示す第２図相当図である。 ３・・・車室、４・・・トランクルーム、６・・・消音
器、７・・・排気音導入管、９．９′・・・ケース、９
ａ、　　９ａ′・・・排気音導入口、１０．１１・・・
振動膜、１２・・・高周波吸音材、１３．１３’・・・
遮音バルブ、１６・・・アクチュエータ、１７・・・加
速センサ、１９・・・遮音バルブ制御装置。The drawings show embodiments of the present invention, and FIG. 1 is an overall schematic explanatory diagram showing the first embodiment, FIG. 2 is an enlarged explanatory diagram of the main parts, and FIG. 3 is a diagram showing the second embodiment. This is a diagram equivalent to Figure 2. 3... Vehicle interior, 4... Trunk room, 6... Silencer, 7... Exhaust sound introduction pipe, 9.9'... Case, 9
a, 9a'...Exhaust sound introduction port, 10.11...
Vibration membrane, 12... High frequency sound absorbing material, 13.13'...
Sound isolation valve, 16... Actuator, 17... Acceleration sensor, 19... Sound isolation valve control device.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一端が車室内に、他端が車室外にそれぞれ開口する排気
音導入管と、該排気音導入管内に設けられ、車室外から
排気音導入管に導入される排気音から高周波成分を吸収
除去する高周波吸音材と、上記排気音導入管内に設けら
れ、該管内を空気が流通するのを遮断して振動可能な振
動膜と、上記排気音導入管を開閉する遮音バルブと、該
遮音バルブをエンジンの加速運転時に開くように制御す
る遮音バルブ制御装置とが設けられていることを特徴と
するエンジンの排気音制御装置。An exhaust sound introduction pipe with one end opening into the vehicle interior and the other end opening outside the vehicle interior, and an exhaust sound introduction pipe provided within the exhaust sound introduction pipe to absorb and remove high frequency components from the exhaust sound introduced into the exhaust sound introduction pipe from outside the vehicle interior. a high-frequency sound-absorbing material; a vibrating membrane that is installed in the exhaust sound introduction pipe and is capable of vibrating while blocking air from flowing through the pipe; a sound isolation valve that opens and closes the exhaust sound introduction pipe; An exhaust sound control device for an engine, comprising: a sound isolation valve control device that is controlled to open during acceleration operation of the engine.
JP1343283U 1983-01-31 1983-01-31 Engine exhaust sound control device Granted JPS59119914U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1343283U JPS59119914U (en) 1983-01-31 1983-01-31 Engine exhaust sound control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1343283U JPS59119914U (en) 1983-01-31 1983-01-31 Engine exhaust sound control device

Publications (2)

Publication Number Publication Date
JPS59119914U true JPS59119914U (en) 1984-08-13
JPS6342671Y2 JPS6342671Y2 (en) 1988-11-08

Family

ID=30144817

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1343283U Granted JPS59119914U (en) 1983-01-31 1983-01-31 Engine exhaust sound control device

Country Status (1)

Country Link
JP (1) JPS59119914U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009132300A (en) * 2007-11-30 2009-06-18 Kanto Auto Works Ltd Exhaust sound derivation structure of automobile

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55119240U (en) * 1979-02-17 1980-08-23

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55119240U (en) * 1979-02-17 1980-08-23

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009132300A (en) * 2007-11-30 2009-06-18 Kanto Auto Works Ltd Exhaust sound derivation structure of automobile

Also Published As

Publication number Publication date
JPS6342671Y2 (en) 1988-11-08

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