JPH056070B2 - - Google Patents
Info
- Publication number
- JPH056070B2 JPH056070B2 JP1223680A JP22368089A JPH056070B2 JP H056070 B2 JPH056070 B2 JP H056070B2 JP 1223680 A JP1223680 A JP 1223680A JP 22368089 A JP22368089 A JP 22368089A JP H056070 B2 JPH056070 B2 JP H056070B2
- Authority
- JP
- Japan
- Prior art keywords
- casing
- bearing
- chamber
- rotating shaft
- intermediate chamber
- 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
- 239000010687 lubricating oil Substances 0.000 claims description 24
- 239000011261 inert gas Substances 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 11
- 239000003921 oil Substances 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000010926 purge Methods 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims description 2
- 230000035515 penetration Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Sealing Of Bearings (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1223680A JPH0389080A (ja) | 1989-08-30 | 1989-08-30 | 真空ポンプ潤滑油のシール機構 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1223680A JPH0389080A (ja) | 1989-08-30 | 1989-08-30 | 真空ポンプ潤滑油のシール機構 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0389080A JPH0389080A (ja) | 1991-04-15 |
| JPH056070B2 true JPH056070B2 (enrdf_load_stackoverflow) | 1993-01-25 |
Family
ID=16801967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1223680A Granted JPH0389080A (ja) | 1989-08-30 | 1989-08-30 | 真空ポンプ潤滑油のシール機構 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0389080A (enrdf_load_stackoverflow) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6318959B1 (en) | 1998-12-22 | 2001-11-20 | Unozawa-Gumi Iron Works, Ltd. | Multi-stage rotary vacuum pump used for high temperature gas |
| JP2002257070A (ja) | 2001-02-28 | 2002-09-11 | Toyota Industries Corp | 真空ポンプにおける軸封構造 |
| JP4061850B2 (ja) | 2001-02-28 | 2008-03-19 | 株式会社豊田自動織機 | 真空ポンプにおける軸封構造 |
| JP2002257244A (ja) | 2001-02-28 | 2002-09-11 | Toyota Industries Corp | 真空ポンプにおける軸封構造 |
| KR100670028B1 (ko) * | 2004-11-05 | 2007-01-17 | (주)정주 | 비접촉 실형 베어링 블록 |
| DE102004055429B3 (de) * | 2004-11-17 | 2006-08-10 | Man B & W Diesel Ag | Dichtungseinrichtung für eine insbesondere im Stillstand geschmierte Lagerung einer Rotorwelle |
| EP2042742B1 (en) * | 2006-07-19 | 2015-09-09 | Kabushiki Kaisha Toyota Jidoshokki | Fluid machine |
| US10260642B2 (en) | 2011-04-26 | 2019-04-16 | As Ip Holdco, Llc | Faucet valve cartridge |
| KR101332632B1 (ko) * | 2012-12-11 | 2013-12-06 | 비아이피 주식회사 | 유기랭킨사이클용 터빈 |
| JP6430718B2 (ja) * | 2014-05-12 | 2018-11-28 | 株式会社荏原製作所 | 真空ポンプ装置 |
| CN116480584B (zh) * | 2023-03-29 | 2024-04-05 | 北京通嘉宏瑞科技有限公司 | 一种用于干式真空泵及旋转机械的封油封气密封装置 |
-
1989
- 1989-08-30 JP JP1223680A patent/JPH0389080A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0389080A (ja) | 1991-04-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100125 Year of fee payment: 17 |