JPS647270B2 - - Google Patents

Info

Publication number
JPS647270B2
JPS647270B2 JP5784280A JP5784280A JPS647270B2 JP S647270 B2 JPS647270 B2 JP S647270B2 JP 5784280 A JP5784280 A JP 5784280A JP 5784280 A JP5784280 A JP 5784280A JP S647270 B2 JPS647270 B2 JP S647270B2
Authority
JP
Japan
Prior art keywords
torque
switch
motor
opening
operates
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
JP5784280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56156574A (en
Inventor
Ikuo Kodama
Kikuo Takeshima
Seiichi Takahashi
Takaya Fukuda
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5784280A priority Critical patent/JPS56156574A/ja
Publication of JPS56156574A publication Critical patent/JPS56156574A/ja
Publication of JPS647270B2 publication Critical patent/JPS647270B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Electrically Driven Valve-Operating Means (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Magnetically Actuated Valves (AREA)
JP5784280A 1980-05-02 1980-05-02 Opening/closing indicator for electric valve Granted JPS56156574A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5784280A JPS56156574A (en) 1980-05-02 1980-05-02 Opening/closing indicator for electric valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5784280A JPS56156574A (en) 1980-05-02 1980-05-02 Opening/closing indicator for electric valve

Publications (2)

Publication Number Publication Date
JPS56156574A JPS56156574A (en) 1981-12-03
JPS647270B2 true JPS647270B2 (en:Method) 1989-02-08

Family

ID=13067219

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5784280A Granted JPS56156574A (en) 1980-05-02 1980-05-02 Opening/closing indicator for electric valve

Country Status (1)

Country Link
JP (1) JPS56156574A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04185983A (ja) * 1990-11-20 1992-07-02 Seibu Electric & Mach Co Ltd バルブ開閉監視装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5510117A (en) * 1978-07-03 1980-01-24 Toshiba Corp Device for driving and controlling motor valve

Also Published As

Publication number Publication date
JPS56156574A (en) 1981-12-03

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