JP2517993Y2 - 比例ソレノイド弁のフェイルセイフ装置 - Google Patents
比例ソレノイド弁のフェイルセイフ装置Info
- Publication number
- JP2517993Y2 JP2517993Y2 JP1989039319U JP3931989U JP2517993Y2 JP 2517993 Y2 JP2517993 Y2 JP 2517993Y2 JP 1989039319 U JP1989039319 U JP 1989039319U JP 3931989 U JP3931989 U JP 3931989U JP 2517993 Y2 JP2517993 Y2 JP 2517993Y2
- Authority
- JP
- Japan
- Prior art keywords
- current
- output
- value
- transistor
- solenoid valve
- 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 - Lifetime
Links
- 230000005856 abnormality Effects 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 9
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Operation Control Of Excavators (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- Magnetically Actuated Valves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989039319U JP2517993Y2 (ja) | 1989-04-03 | 1989-04-03 | 比例ソレノイド弁のフェイルセイフ装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989039319U JP2517993Y2 (ja) | 1989-04-03 | 1989-04-03 | 比例ソレノイド弁のフェイルセイフ装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02130483U JPH02130483U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-10-26 |
| JP2517993Y2 true JP2517993Y2 (ja) | 1996-11-20 |
Family
ID=31548125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989039319U Expired - Lifetime JP2517993Y2 (ja) | 1989-04-03 | 1989-04-03 | 比例ソレノイド弁のフェイルセイフ装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2517993Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6344625Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1981-04-22 | 1988-11-18 |
-
1989
- 1989-04-03 JP JP1989039319U patent/JP2517993Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02130483U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-10-26 |
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