JPH0475398U - - Google Patents

Info

Publication number
JPH0475398U
JPH0475398U JP11881190U JP11881190U JPH0475398U JP H0475398 U JPH0475398 U JP H0475398U JP 11881190 U JP11881190 U JP 11881190U JP 11881190 U JP11881190 U JP 11881190U JP H0475398 U JPH0475398 U JP H0475398U
Authority
JP
Japan
Prior art keywords
exhaust passage
exhaust
switching valve
marine engine
opening
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
JP11881190U
Other languages
English (en)
Other versions
JP2513238Y2 (ja
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 filed Critical
Priority to JP11881190U priority Critical patent/JP2513238Y2/ja
Publication of JPH0475398U publication Critical patent/JPH0475398U/ja
Application granted granted Critical
Publication of JP2513238Y2 publication Critical patent/JP2513238Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Description

【図面の簡単な説明】
第１図は本考案の実施例船用エンジンの排気装
置の構成図。第２図は本考案の別の実施例船用エ
ンジンの排気装置の構成図。 １０：船、１４：排気管、１６，３１：第１排
気管、１７，３２：第２排気通路、２２，３７：
切換弁、２３：アクチユエータ、２４：コントロ
ーラ。

Claims (1)

  1. 【実用新案登録請求の範囲】 船用エンジンの排気管から分岐して設けられた
    大気中に開口する第１排気通路と水中に開口する
    第２排気通路と、 前記排気管の分岐箇所に設けられ前記第１排気
    通路又は前記第２排気通路を閉塞する切換弁と、 前記エンジンの低速回転域で前記第１排気通路
    を閉塞し前記エンジンの中高速回転域で前記第２
    排気通路を閉塞するように前記切換弁を制御する
    コントローラと を備えた船用エンジンの排気装置。
JP11881190U 1990-11-15 1990-11-15 アクティブサイレンサ用マイクロホン Expired - Lifetime JP2513238Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11881190U JP2513238Y2 (ja) 1990-11-15 1990-11-15 アクティブサイレンサ用マイクロホン

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11881190U JP2513238Y2 (ja) 1990-11-15 1990-11-15 アクティブサイレンサ用マイクロホン

Publications (2)

Publication Number Publication Date
JPH0475398U true JPH0475398U (ja) 1992-07-01
JP2513238Y2 JP2513238Y2 (ja) 1996-10-02

Family

ID=31866777

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11881190U Expired - Lifetime JP2513238Y2 (ja) 1990-11-15 1990-11-15 アクティブサイレンサ用マイクロホン

Country Status (1)

Country Link
JP (1) JP2513238Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06308973A (ja) * 1993-04-19 1994-11-04 Matsushita Seiko Co Ltd 能動消音装置
JPH07334167A (ja) * 1994-06-07 1995-12-22 Daidan Kk 能動騒音制御システムのセンサ装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06308973A (ja) * 1993-04-19 1994-11-04 Matsushita Seiko Co Ltd 能動消音装置
JPH07334167A (ja) * 1994-06-07 1995-12-22 Daidan Kk 能動騒音制御システムのセンサ装置

Also Published As

Publication number Publication date
JP2513238Y2 (ja) 1996-10-02

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