JPH068380Y2 - 真空ポンプ用バルブ - Google Patents
真空ポンプ用バルブInfo
- Publication number
- JPH068380Y2 JPH068380Y2 JP3536489U JP3536489U JPH068380Y2 JP H068380 Y2 JPH068380 Y2 JP H068380Y2 JP 3536489 U JP3536489 U JP 3536489U JP 3536489 U JP3536489 U JP 3536489U JP H068380 Y2 JPH068380 Y2 JP H068380Y2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve body
- sub
- main
- vacuum pump
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims description 27
- 239000000428 dust Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 239000000758 substrate Substances 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Lift Valve (AREA)
- Details Of Valves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3536489U JPH068380Y2 (ja) | 1989-03-28 | 1989-03-28 | 真空ポンプ用バルブ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3536489U JPH068380Y2 (ja) | 1989-03-28 | 1989-03-28 | 真空ポンプ用バルブ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02125285U JPH02125285U (en]) | 1990-10-16 |
JPH068380Y2 true JPH068380Y2 (ja) | 1994-03-02 |
Family
ID=31540656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3536489U Expired - Lifetime JPH068380Y2 (ja) | 1989-03-28 | 1989-03-28 | 真空ポンプ用バルブ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH068380Y2 (en]) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6718306B2 (ja) * | 2016-05-20 | 2020-07-08 | 三菱日立パワーシステムズ株式会社 | バルブ及び蒸気タービン設備 |
-
1989
- 1989-03-28 JP JP3536489U patent/JPH068380Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH02125285U (en]) | 1990-10-16 |
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