JPS638627U - - Google Patents

Info

Publication number
JPS638627U
JPS638627U JP10353886U JP10353886U JPS638627U JP S638627 U JPS638627 U JP S638627U JP 10353886 U JP10353886 U JP 10353886U JP 10353886 U JP10353886 U JP 10353886U JP S638627 U JPS638627 U JP S638627U
Authority
JP
Japan
Prior art keywords
vehicle
cooling fan
noise
measuring device
anechoic chamber
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
JP10353886U
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 JP10353886U priority Critical patent/JPS638627U/ja
Publication of JPS638627U publication Critical patent/JPS638627U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Description

【図面の簡単な説明】
第１図は、本考案の実施例に係る車両の騒音測
定装置の断面図、第２図は、同実施例装置に於け
る測定対象としての自動車の底面図、第３図は、
上記実施例における排気音抑制効果を示すグラフ
である。 １…無響室、２…床部、３…シヤーシダイナモ
メータ、４…負荷ローラ、５…自動車、５ａ…駆
動側車輪、１１…第１の冷却フアン、１２…第２
の冷却フアン、１３…エンジン、１４…排気管、
１５…サイレンサー。

Claims (1)

    【実用新案登録請求の範囲】
  1. シヤーシダイナモメータを備えた無響室内に車
    両を配置し、走行シミユレーシヨンによつて車両
    の騒音を測定するものであつて、上記車両の前方
    より上記車両に対して冷却風を供給する第１の冷
    却フアンと、上記車両の下方より上記車両下面の
    排気装置に対して冷却風を供給する第２の冷却フ
    アンとを備えてなる車両の騒音測定装置。
JP10353886U 1986-07-05 1986-07-05 Pending JPS638627U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10353886U JPS638627U (ja) 1986-07-05 1986-07-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10353886U JPS638627U (ja) 1986-07-05 1986-07-05

Publications (1)

Publication Number Publication Date
JPS638627U true JPS638627U (ja) 1988-01-20

Family

ID=30976185

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10353886U Pending JPS638627U (ja) 1986-07-05 1986-07-05

Country Status (1)

Country Link
JP (1) JPS638627U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH047438U (ja) * 1990-05-10 1992-01-23

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5826647B2 (ja) * 1976-09-20 1983-06-04 三菱電機株式会社 変圧器巻線の冷却装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5826647B2 (ja) * 1976-09-20 1983-06-04 三菱電機株式会社 変圧器巻線の冷却装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH047438U (ja) * 1990-05-10 1992-01-23

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