JPS6410800U - - Google Patents

Info

Publication number
JPS6410800U
JPS6410800U JP10450687U JP10450687U JPS6410800U JP S6410800 U JPS6410800 U JP S6410800U JP 10450687 U JP10450687 U JP 10450687U JP 10450687 U JP10450687 U JP 10450687U JP S6410800 U JPS6410800 U JP S6410800U
Authority
JP
Japan
Prior art keywords
air flow
opening exposed
convex portion
opening
utility
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
JP10450687U
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 JP10450687U priority Critical patent/JPS6410800U/ja
Publication of JPS6410800U publication Critical patent/JPS6410800U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Description

【図面の簡単な説明】
第1図、第2図、第3図及び第4図は、それぞ
れ本考案の第一、第二、第三及び第四の実施例の
説明図、第5図は開口部と空気流との関係を示す
説明図である。 1……開口部、3……凸部、4,5……段差、
6,7……凸部、10……空気流にさらされる表
面、11……上流側の側壁、12……下流側の側
壁、A……空気流。

Claims (1)

    【実用新案登録請求の範囲】
  1. 開口部の空気流にさらされる表面より突出する
    凸部及び/又は開口部の空気流にさらされる表面
    から陥没する段差を設けたことを特徴とする空気
    流にさらされる開口部の消音装置。
JP10450687U 1987-07-09 1987-07-09 Pending JPS6410800U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10450687U JPS6410800U (ja) 1987-07-09 1987-07-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10450687U JPS6410800U (ja) 1987-07-09 1987-07-09

Publications (1)

Publication Number Publication Date
JPS6410800U true JPS6410800U (ja) 1989-01-20

Family

ID=31336286

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10450687U Pending JPS6410800U (ja) 1987-07-09 1987-07-09

Country Status (1)

Country Link
JP (1) JPS6410800U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002205639A (ja) * 2001-01-10 2002-07-23 West Japan Railway Co 棒付き凹部の空力音低減化構造
JP2013177046A (ja) * 2012-02-28 2013-09-09 Japan Transport Engineering Co 鉄道車両先頭部における走行音低減構造

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002205639A (ja) * 2001-01-10 2002-07-23 West Japan Railway Co 棒付き凹部の空力音低減化構造
JP4531992B2 (ja) * 2001-01-10 2010-08-25 西日本旅客鉄道株式会社 棒付き凹部の空力音低減化構造
JP2013177046A (ja) * 2012-02-28 2013-09-09 Japan Transport Engineering Co 鉄道車両先頭部における走行音低減構造

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