JPS6367844B2 - - Google Patents

Info

Publication number
JPS6367844B2
JPS6367844B2 JP56104108A JP10410881A JPS6367844B2 JP S6367844 B2 JPS6367844 B2 JP S6367844B2 JP 56104108 A JP56104108 A JP 56104108A JP 10410881 A JP10410881 A JP 10410881A JP S6367844 B2 JPS6367844 B2 JP S6367844B2
Authority
JP
Japan
Prior art keywords
signal
output
circuit
valve
comparison circuit
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
JP56104108A
Other languages
English (en)
Japanese (ja)
Other versions
JPS586434A (ja
Inventor
Tomio Tsunoda
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.)
Nippon Atomic Industry Group Co Ltd
Original Assignee
Nippon Atomic Industry Group Co 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 Atomic Industry Group Co Ltd filed Critical Nippon Atomic Industry Group Co Ltd
Priority to JP56104108A priority Critical patent/JPS586434A/ja
Publication of JPS586434A publication Critical patent/JPS586434A/ja
Publication of JPS6367844B2 publication Critical patent/JPS6367844B2/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)
  • Pipeline Systems (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
JP56104108A 1981-07-03 1981-07-03 管流路におけるリ−ク検出装置 Granted JPS586434A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56104108A JPS586434A (ja) 1981-07-03 1981-07-03 管流路におけるリ−ク検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56104108A JPS586434A (ja) 1981-07-03 1981-07-03 管流路におけるリ−ク検出装置

Publications (2)

Publication Number Publication Date
JPS586434A JPS586434A (ja) 1983-01-14
JPS6367844B2 true JPS6367844B2 (US20100223739A1-20100909-C00025.png) 1988-12-27

Family

ID=14371925

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56104108A Granted JPS586434A (ja) 1981-07-03 1981-07-03 管流路におけるリ−ク検出装置

Country Status (1)

Country Link
JP (1) JPS586434A (US20100223739A1-20100909-C00025.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60123696U (ja) * 1984-01-31 1985-08-20 バブコツク日立株式会社 弁開閉監視装置
JP6428073B2 (ja) * 2014-09-12 2018-11-28 日本電気株式会社 分析装置、分析システム、分析方法及びプログラム

Also Published As

Publication number Publication date
JPS586434A (ja) 1983-01-14

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