JPH01102496U - - Google Patents
Info
- Publication number
- JPH01102496U JPH01102496U JP19745687U JP19745687U JPH01102496U JP H01102496 U JPH01102496 U JP H01102496U JP 19745687 U JP19745687 U JP 19745687U JP 19745687 U JP19745687 U JP 19745687U JP H01102496 U JPH01102496 U JP H01102496U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- frequency
- mechanical booster
- open
- detecting
- 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.)
- Pending
Links
- 230000006698 induction Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19745687U JPH01102496U (enExample) | 1987-12-28 | 1987-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19745687U JPH01102496U (enExample) | 1987-12-28 | 1987-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01102496U true JPH01102496U (enExample) | 1989-07-11 |
Family
ID=31488006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19745687U Pending JPH01102496U (enExample) | 1987-12-28 | 1987-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01102496U (enExample) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5963394A (ja) * | 1982-10-04 | 1984-04-11 | Tokuda Seisakusho Ltd | 真空排気装置 |
| JPS62265489A (ja) * | 1986-05-13 | 1987-11-18 | Kobe Steel Ltd | スクリユ式真空ポンプの制御方法 |
-
1987
- 1987-12-28 JP JP19745687U patent/JPH01102496U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5963394A (ja) * | 1982-10-04 | 1984-04-11 | Tokuda Seisakusho Ltd | 真空排気装置 |
| JPS62265489A (ja) * | 1986-05-13 | 1987-11-18 | Kobe Steel Ltd | スクリユ式真空ポンプの制御方法 |