JPS5351521A - Line-brake detector - Google Patents

Line-brake detector

Info

Publication number
JPS5351521A
JPS5351521A JP12552876A JP12552876A JPS5351521A JP S5351521 A JPS5351521 A JP S5351521A JP 12552876 A JP12552876 A JP 12552876A JP 12552876 A JP12552876 A JP 12552876A JP S5351521 A JPS5351521 A JP S5351521A
Authority
JP
Japan
Prior art keywords
line
brake detector
pipe line
brake
detector
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
JP12552876A
Other languages
Japanese (ja)
Other versions
JPS567118B2 (en
Inventor
Kazunari Tsujikura
Takashi Tsujikura
Kenichi Suzuki
Original Assignee
Japan Steel Works Ltd:The
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:The filed Critical Japan Steel Works Ltd:The
Priority to JP12552876A priority Critical patent/JPS567118B2/ja
Publication of JPS5351521A publication Critical patent/JPS5351521A/en
Publication of JPS567118B2 publication Critical patent/JPS567118B2/ja
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To close a valve near a broke place, by converting press. in a pipe line into electric signals, and by taking out as brake signals, when the coefficient of variation surpasses the set value, to quickly detect the breakdown of the pipe line.
COPYRIGHT: (C)1978,JPO&Japio
JP12552876A 1976-10-21 1976-10-21 Expired JPS567118B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12552876A JPS567118B2 (en) 1976-10-21 1976-10-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12552876A JPS567118B2 (en) 1976-10-21 1976-10-21

Publications (2)

Publication Number Publication Date
JPS5351521A true JPS5351521A (en) 1978-05-11
JPS567118B2 JPS567118B2 (en) 1981-02-16

Family

ID=14912396

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12552876A Expired JPS567118B2 (en) 1976-10-21 1976-10-21

Country Status (1)

Country Link
JP (1) JPS567118B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56133078U (en) * 1980-03-12 1981-10-08

Citations (4)

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

Patent Citations (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56133078U (en) * 1980-03-12 1981-10-08

Also Published As

Publication number Publication date
JPS567118B2 (en) 1981-02-16

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