JPH036451B2 - - Google Patents

Info

Publication number
JPH036451B2
JPH036451B2 JP59163345A JP16334584A JPH036451B2 JP H036451 B2 JPH036451 B2 JP H036451B2 JP 59163345 A JP59163345 A JP 59163345A JP 16334584 A JP16334584 A JP 16334584A JP H036451 B2 JPH036451 B2 JP H036451B2
Authority
JP
Japan
Prior art keywords
leakage
sensor
sound pressure
effective
signal
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.)
Expired
Application number
JP59163345A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6141940A (ja
Inventor
Hiroyasu Mochizuki
Kimitomo Shiba
Sunao Uchikawa
Kanehide Watanabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Doryokuro Kakunenryo Kaihatsu Jigyodan
Original Assignee
Doryokuro Kakunenryo Kaihatsu Jigyodan
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 Doryokuro Kakunenryo Kaihatsu Jigyodan filed Critical Doryokuro Kakunenryo Kaihatsu Jigyodan
Priority to JP16334584A priority Critical patent/JPS6141940A/ja
Publication of JPS6141940A publication Critical patent/JPS6141940A/ja
Publication of JPH036451B2 publication Critical patent/JPH036451B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
    • G01M3/243—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations for pipes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
JP16334584A 1984-08-02 1984-08-02 流体漏洩位置検出方法 Granted JPS6141940A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16334584A JPS6141940A (ja) 1984-08-02 1984-08-02 流体漏洩位置検出方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16334584A JPS6141940A (ja) 1984-08-02 1984-08-02 流体漏洩位置検出方法

Publications (2)

Publication Number Publication Date
JPS6141940A JPS6141940A (ja) 1986-02-28
JPH036451B2 true JPH036451B2 (enExample) 1991-01-30

Family

ID=15772110

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16334584A Granted JPS6141940A (ja) 1984-08-02 1984-08-02 流体漏洩位置検出方法

Country Status (1)

Country Link
JP (1) JPS6141940A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2878804B2 (ja) * 1989-09-19 1999-04-05 東京瓦斯株式会社 配管の異常監視装置
JP5273059B2 (ja) * 2010-01-18 2013-08-28 トヨタ自動車株式会社 燃料供給システムの異常判定装置
JP2025007921A (ja) * 2023-07-03 2025-01-17 Ｊｆｅスチール株式会社 穴あき箇所の特定方法

Also Published As

Publication number Publication date
JPS6141940A (ja) 1986-02-28

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees