JPH01174595U - - Google Patents
Info
- Publication number
- JPH01174595U JPH01174595U JP7069988U JP7069988U JPH01174595U JP H01174595 U JPH01174595 U JP H01174595U JP 7069988 U JP7069988 U JP 7069988U JP 7069988 U JP7069988 U JP 7069988U JP H01174595 U JPH01174595 U JP H01174595U
- Authority
- JP
- Japan
- Prior art keywords
- pump
- shaft
- machine room
- pump chamber
- turbo
- 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.)
- Granted
Links
- 239000007789 gas Substances 0.000 claims 2
- 239000011261 inert gas Substances 0.000 claims 2
- 238000010926 purge Methods 0.000 claims 1
- 230000035515 penetration Effects 0.000 description 1
Landscapes
- Non-Positive Displacement Air Blowers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988070699U JPH0720396Y2 (ja) | 1988-05-27 | 1988-05-27 | ターボ分子ポンプのガスパージ機構 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988070699U JPH0720396Y2 (ja) | 1988-05-27 | 1988-05-27 | ターボ分子ポンプのガスパージ機構 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01174595U true JPH01174595U (enrdf_load_stackoverflow) | 1989-12-12 |
JPH0720396Y2 JPH0720396Y2 (ja) | 1995-05-15 |
Family
ID=31295929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988070699U Expired - Lifetime JPH0720396Y2 (ja) | 1988-05-27 | 1988-05-27 | ターボ分子ポンプのガスパージ機構 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0720396Y2 (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002147385A (ja) * | 2000-11-08 | 2002-05-22 | Osaka Vacuum Ltd | ターボ分子ポンプのシール構造 |
JP2014043789A (ja) * | 2012-08-24 | 2014-03-13 | Shimadzu Corp | 真空ポンプ |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6143298A (ja) * | 1984-08-06 | 1986-03-01 | Osaka Shinku Kiki Seisakusho:Kk | タ−ボ分子ポンプのガスパ−ジ機構 |
JPS6385286A (ja) * | 1986-09-26 | 1988-04-15 | Hitachi Ltd | 真空ポンプ |
-
1988
- 1988-05-27 JP JP1988070699U patent/JPH0720396Y2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6143298A (ja) * | 1984-08-06 | 1986-03-01 | Osaka Shinku Kiki Seisakusho:Kk | タ−ボ分子ポンプのガスパ−ジ機構 |
JPS6385286A (ja) * | 1986-09-26 | 1988-04-15 | Hitachi Ltd | 真空ポンプ |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002147385A (ja) * | 2000-11-08 | 2002-05-22 | Osaka Vacuum Ltd | ターボ分子ポンプのシール構造 |
JP2014043789A (ja) * | 2012-08-24 | 2014-03-13 | Shimadzu Corp | 真空ポンプ |
Also Published As
Publication number | Publication date |
---|---|
JPH0720396Y2 (ja) | 1995-05-15 |