JP2527245Y2 - ターボ分子ポンプ - Google Patents
ターボ分子ポンプInfo
- Publication number
- JP2527245Y2 JP2527245Y2 JP1988029849U JP2984988U JP2527245Y2 JP 2527245 Y2 JP2527245 Y2 JP 2527245Y2 JP 1988029849 U JP1988029849 U JP 1988029849U JP 2984988 U JP2984988 U JP 2984988U JP 2527245 Y2 JP2527245 Y2 JP 2527245Y2
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- ring
- thrust
- holding cylinder
- permanent magnet
- 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
- 230000005291 magnetic effect Effects 0.000 claims description 31
- 230000005294 ferromagnetic effect Effects 0.000 claims description 20
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000013016 damping Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 230000004907 flux Effects 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Non-Positive Displacement Air Blowers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988029849U JP2527245Y2 (ja) | 1988-03-08 | 1988-03-08 | ターボ分子ポンプ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988029849U JP2527245Y2 (ja) | 1988-03-08 | 1988-03-08 | ターボ分子ポンプ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01134796U JPH01134796U (enrdf_load_stackoverflow) | 1989-09-14 |
JP2527245Y2 true JP2527245Y2 (ja) | 1997-02-26 |
Family
ID=31254420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988029849U Expired - Lifetime JP2527245Y2 (ja) | 1988-03-08 | 1988-03-08 | ターボ分子ポンプ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2527245Y2 (enrdf_load_stackoverflow) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5841295A (ja) * | 1981-09-04 | 1983-03-10 | Seiko Instr & Electronics Ltd | 高速回転に適した構造の磁気軸受を応用した軸流分子ポンプ |
DE3239328C2 (de) * | 1982-10-23 | 1993-12-23 | Pfeiffer Vakuumtechnik | Magnetisch gelagerte Turbomolekularpumpe mit Schwingungsdämpfung |
JPS59144815A (ja) * | 1983-02-07 | 1984-08-20 | Hitachi Ltd | 立形回転機械の軸受装置 |
JPS61207892A (ja) * | 1985-03-11 | 1986-09-16 | Hitachi Ltd | タ−ボ分子ポンプ |
JPS62282191A (ja) * | 1986-05-30 | 1987-12-08 | Hitachi Ltd | タ−ボ分子ポンプ |
-
1988
- 1988-03-08 JP JP1988029849U patent/JP2527245Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH01134796U (enrdf_load_stackoverflow) | 1989-09-14 |
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