JPH01100000U - - Google Patents

Info

Publication number
JPH01100000U
JPH01100000U JP19929187U JP19929187U JPH01100000U JP H01100000 U JPH01100000 U JP H01100000U JP 19929187 U JP19929187 U JP 19929187U JP 19929187 U JP19929187 U JP 19929187U JP H01100000 U JPH01100000 U JP H01100000U
Authority
JP
Japan
Prior art keywords
blower
wind tunnel
duct
air
length
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
JP19929187U
Other languages
English (en)
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 JP19929187U priority Critical patent/JPH01100000U/ja
Publication of JPH01100000U publication Critical patent/JPH01100000U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Exhaust Silencers (AREA)

Description

【図面の簡単な説明】
第1図は本考案の原理説明図、第2図は本考案
による一実施例の説明図で、aは斜視図、b1,
b2は要部断面図、第3図は従来の説明図で、a
は斜視図、bは騒音の伝播を示す圧力と時間との
関係グラフを示す。 図において、1は送風機、2は第1のダクト、
3は第1の風洞、4は第2のダクト、5は第2の
風洞、6は伸縮機構、2Aは側壁を示す。

Claims (1)

  1. 【実用新案登録請求の範囲】 一端に送風機1を係止し、該送風機1からの送
    風を他端より送出する所定の長さの第1の風洞3
    を形成する第1のダクト2と、該第1のダクト2
    の側壁2Aに設けられ、該第1の風洞3に連通す
    る第2の風洞5を形成する第2のダクト4とを備
    え、送風に際しての送風機1より発生する騒音を
    消音する消音器において、 前記第2の風洞5の長さLaが可変されるよう
    、前記第2のダクト4に伸縮機構6が設けられて
    成ることを特徴とする消音器。
JP19929187U 1987-12-24 1987-12-24 Pending JPH01100000U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19929187U JPH01100000U (ja) 1987-12-24 1987-12-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19929187U JPH01100000U (ja) 1987-12-24 1987-12-24

Publications (1)

Publication Number Publication Date
JPH01100000U true JPH01100000U (ja) 1989-07-05

Family

ID=31489748

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19929187U Pending JPH01100000U (ja) 1987-12-24 1987-12-24

Country Status (1)

Country Link
JP (1) JPH01100000U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08305370A (ja) * 1995-05-08 1996-11-22 Ricoh Co Ltd 消音装置および騒音反射面部材
JP2009121682A (ja) * 2007-11-15 2009-06-04 Ge-Hitachi Nuclear Energy Americas Llc 音響負荷緩和装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08305370A (ja) * 1995-05-08 1996-11-22 Ricoh Co Ltd 消音装置および騒音反射面部材
JP2009121682A (ja) * 2007-11-15 2009-06-04 Ge-Hitachi Nuclear Energy Americas Llc 音響負荷緩和装置

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