JPS58115321A - 過電流通過表示装置の表示弁 - Google Patents

過電流通過表示装置の表示弁

Info

Publication number
JPS58115321A
JPS58115321A JP56215882A JP21588281A JPS58115321A JP S58115321 A JPS58115321 A JP S58115321A JP 56215882 A JP56215882 A JP 56215882A JP 21588281 A JP21588281 A JP 21588281A JP S58115321 A JPS58115321 A JP S58115321A
Authority
JP
Japan
Prior art keywords
valve
indicator
fluid
display
valve body
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
JP56215882A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6334432B2 (enrdf_load_stackoverflow
Inventor
Masao Ishigure
石榑 正夫
Mitsuo Oota
太田 満男
Naotoshi Takaoka
高岡 直敏
Mitsuharu Hisatomi
久富 光春
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.)
Chubu Electric Power Co Inc
Takamatsu Electric Works Ltd
Original Assignee
Chubu Electric Power Co Inc
Takamatsu Electric 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 Chubu Electric Power Co Inc, Takamatsu Electric Works Ltd filed Critical Chubu Electric Power Co Inc
Priority to JP56215882A priority Critical patent/JPS58115321A/ja
Priority to US06/433,173 priority patent/US4559530A/en
Publication of JPS58115321A publication Critical patent/JPS58115321A/ja
Publication of JPS6334432B2 publication Critical patent/JPS6334432B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16571Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Indicating Measured Values (AREA)
JP56215882A 1981-12-29 1981-12-29 過電流通過表示装置の表示弁 Granted JPS58115321A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP56215882A JPS58115321A (ja) 1981-12-29 1981-12-29 過電流通過表示装置の表示弁
US06/433,173 US4559530A (en) 1981-12-29 1982-10-05 Overcurrent condition display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56215882A JPS58115321A (ja) 1981-12-29 1981-12-29 過電流通過表示装置の表示弁

Publications (2)

Publication Number Publication Date
JPS58115321A true JPS58115321A (ja) 1983-07-09
JPS6334432B2 JPS6334432B2 (enrdf_load_stackoverflow) 1988-07-11

Family

ID=16679816

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56215882A Granted JPS58115321A (ja) 1981-12-29 1981-12-29 過電流通過表示装置の表示弁

Country Status (1)

Country Link
JP (1) JPS58115321A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6334432B2 (enrdf_load_stackoverflow) 1988-07-11

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