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
Links
- 238000010586 diagram Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000003628 erosive effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
Landscapes
- Electrically Driven Valve-Operating Means (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- Magnetically Actuated Valves (AREA)
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 (ko) | 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 (ko) |
Families Citing this family (1)
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)
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 |
-
1980
- 1980-05-02 JP JP5784280A patent/JPS56156574A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS56156574A (en) | 1981-12-03 |
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