JPS5356714A - Line break detector - Google Patents

Line break detector

Info

Publication number
JPS5356714A
JPS5356714A JP13162076A JP13162076A JPS5356714A JP S5356714 A JPS5356714 A JP S5356714A JP 13162076 A JP13162076 A JP 13162076A JP 13162076 A JP13162076 A JP 13162076A JP S5356714 A JPS5356714 A JP S5356714A
Authority
JP
Japan
Prior art keywords
line break
break detector
comparator circuit
generating
line
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.)
Granted
Application number
JP13162076A
Other languages
English (en)
Other versions
JPS567119B2 (ja
Inventor
Takashi Tsujikura
Kazunari Tsujikura
Kenichi Suzuki
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.)
Japan Steel Works Ltd
Original Assignee
Japan Steel Works 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 Japan Steel Works Ltd filed Critical Japan Steel Works Ltd
Priority to JP13162076A priority Critical patent/JPS5356714A/ja
Publication of JPS5356714A publication Critical patent/JPS5356714A/ja
Publication of JPS567119B2 publication Critical patent/JPS567119B2/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
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
    • G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Pipeline Systems (AREA)
JP13162076A 1976-11-04 1976-11-04 Line break detector Granted JPS5356714A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13162076A JPS5356714A (en) 1976-11-04 1976-11-04 Line break detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13162076A JPS5356714A (en) 1976-11-04 1976-11-04 Line break detector

Publications (2)

Publication Number Publication Date
JPS5356714A true JPS5356714A (en) 1978-05-23
JPS567119B2 JPS567119B2 (ja) 1981-02-16

Family

ID=15062305

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13162076A Granted JPS5356714A (en) 1976-11-04 1976-11-04 Line break detector

Country Status (1)

Country Link
JP (1) JPS5356714A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56133078U (ja) * 1980-03-12 1981-10-08
JPS58217787A (ja) * 1982-06-12 1983-12-17 Ebara Corp 水圧下降検出装置とポンプ装置及び消火ポンプ装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4916914A (ja) * 1972-06-09 1974-02-14
JPS4917289A (ja) * 1972-06-05 1974-02-15
JPS4955398A (ja) * 1972-09-27 1974-05-29
JPS4955397A (ja) * 1972-09-28 1974-05-29

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4917289A (ja) * 1972-06-05 1974-02-15
JPS4916914A (ja) * 1972-06-09 1974-02-14
JPS4955398A (ja) * 1972-09-27 1974-05-29
JPS4955397A (ja) * 1972-09-28 1974-05-29

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56133078U (ja) * 1980-03-12 1981-10-08
JPS58217787A (ja) * 1982-06-12 1983-12-17 Ebara Corp 水圧下降検出装置とポンプ装置及び消火ポンプ装置

Also Published As

Publication number Publication date
JPS567119B2 (ja) 1981-02-16

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