JPS6319806B2 - - Google Patents

Info

Publication number
JPS6319806B2
JPS6319806B2 JP6331680A JP6331680A JPS6319806B2 JP S6319806 B2 JPS6319806 B2 JP S6319806B2 JP 6331680 A JP6331680 A JP 6331680A JP 6331680 A JP6331680 A JP 6331680A JP S6319806 B2 JPS6319806 B2 JP S6319806B2
Authority
JP
Japan
Prior art keywords
pressure
value
pressure change
difference
difference calculation
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
JP6331680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56160499A (en
Inventor
Yasuo Koyanagi
Shigeru Sugaya
Koji Nakayama
Tatsuo Sato
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.)
JFE Engineering Corp
Original Assignee
Nippon Kokan Ltd
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 Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Priority to JP6331680A priority Critical patent/JPS56160499A/ja
Publication of JPS56160499A publication Critical patent/JPS56160499A/ja
Publication of JPS6319806B2 publication Critical patent/JPS6319806B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Pipeline Systems (AREA)
  • Examining Or Testing Airtightness (AREA)
JP6331680A 1980-05-15 1980-05-15 Method of detecting leak from liquid transportation pipeline Granted JPS56160499A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6331680A JPS56160499A (en) 1980-05-15 1980-05-15 Method of detecting leak from liquid transportation pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6331680A JPS56160499A (en) 1980-05-15 1980-05-15 Method of detecting leak from liquid transportation pipeline

Publications (2)

Publication Number Publication Date
JPS56160499A JPS56160499A (en) 1981-12-10
JPS6319806B2 true JPS6319806B2 (cs) 1988-04-25

Family

ID=13225741

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6331680A Granted JPS56160499A (en) 1980-05-15 1980-05-15 Method of detecting leak from liquid transportation pipeline

Country Status (1)

Country Link
JP (1) JPS56160499A (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3666209B2 (ja) 1997-10-21 2005-06-29 株式会社デンソー 漏れ検査方法およびその検査装置
CN102343720A (zh) * 2010-08-06 2012-02-08 北京美科艺数码科技发展有限公司 一种喷墨打印机负压系统的自动检测方法
CN102853261A (zh) 2011-06-27 2013-01-02 国际商业机器公司 确定输送管道中的流体泄漏量的方法和装置
CN116241807B (zh) * 2023-05-15 2023-06-30 广东海洋大学 一种基于负压波和超声导波的管道泄漏监测方法及系统

Also Published As

Publication number Publication date
JPS56160499A (en) 1981-12-10

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