CN105275820B - 干式真空泵轴封离心冷却机构 - Google Patents
干式真空泵轴封离心冷却机构 Download PDFInfo
- Publication number
- CN105275820B CN105275820B CN201410321032.1A CN201410321032A CN105275820B CN 105275820 B CN105275820 B CN 105275820B CN 201410321032 A CN201410321032 A CN 201410321032A CN 105275820 B CN105275820 B CN 105275820B
- Authority
- CN
- China
- Prior art keywords
- oil gas
- cooling
- axle portion
- pressure side
- seal assembly
- 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.)
- Active
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 109
- 210000004907 gland Anatomy 0.000 claims abstract description 48
- 238000005119 centrifugation Methods 0.000 claims abstract description 30
- 238000010586 diagram Methods 0.000 description 10
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
- Mechanical Sealing (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410321032.1A CN105275820B (zh) | 2014-07-07 | 2014-07-07 | 干式真空泵轴封离心冷却机构 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410321032.1A CN105275820B (zh) | 2014-07-07 | 2014-07-07 | 干式真空泵轴封离心冷却机构 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105275820A CN105275820A (zh) | 2016-01-27 |
CN105275820B true CN105275820B (zh) | 2017-06-16 |
Family
ID=55145434
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410321032.1A Active CN105275820B (zh) | 2014-07-07 | 2014-07-07 | 干式真空泵轴封离心冷却机构 |
Country Status (1)
Country | Link |
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CN (1) | CN105275820B (zh) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3344953A1 (de) * | 1983-12-13 | 1985-06-20 | Leybold-Heraeus GmbH, 5000 Köln | Zweiwellen-vakuumpumpe mit getrieberaum-evakuierung |
JPH0447189A (ja) * | 1990-06-15 | 1992-02-17 | Hitachi Ltd | ドライスクリユー真空ポンプ |
JP3386202B2 (ja) * | 1993-09-08 | 2003-03-17 | 株式会社アルバック | 2段式油回転真空ポンプ |
JP3423514B2 (ja) * | 1995-11-30 | 2003-07-07 | アネスト岩田株式会社 | スクロール流体機械 |
DE19633651A1 (de) * | 1996-08-21 | 1998-02-26 | Leybold Vakuum Gmbh | Trockene Vakuummaschine mit Wellendurchführung |
US6398484B1 (en) * | 1998-03-13 | 2002-06-04 | Hitachi, Ltd. | Centrifugal compressor and shaft seal |
JP2006009686A (ja) * | 2004-06-25 | 2006-01-12 | Ebara Corp | ガス冷却機構を備えた真空排気装置 |
KR101286187B1 (ko) * | 2011-11-08 | 2013-07-15 | 데이비드 김 | 다단형 건식 진공펌프 |
-
2014
- 2014-07-07 CN CN201410321032.1A patent/CN105275820B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN105275820A (zh) | 2016-01-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20191025 Address after: 8289 Tingfeng Road, Fengjing town, Jinshan District, Shanghai Patentee after: SHANGHAI HANBELL PRECISE MACHINERY Co.,Ltd. Address before: 201501 Shanghai city Jinshan District Fengjing town pavilion Maple Road No. 8289 Co-patentee before: HANBELL PRECISE MACHINERY Co.,Ltd. Patentee before: SHANGHAI HANBELL PRECISE MACHINERY Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Centrifugal cooling mechanism of dry vacuum pump shaft seal Effective date of registration: 20221013 Granted publication date: 20170616 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Jinshan sub branch Pledgor: SHANGHAI HANBELL PRECISE MACHINERY Co.,Ltd. Registration number: Y2022310000284 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231017 Granted publication date: 20170616 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Jinshan sub branch Pledgor: SHANGHAI HANBELL PRECISE MACHINERY Co.,Ltd. Registration number: Y2022310000284 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Dry vacuum pump shaft seal centrifugal cooling mechanism Effective date of registration: 20231214 Granted publication date: 20170616 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Jinshan sub branch Pledgor: SHANGHAI HANBELL PRECISE MACHINERY Co.,Ltd. Registration number: Y2023310000860 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |