CN117469183B - 一种离心式真空泵 - Google Patents
一种离心式真空泵 Download PDFInfo
- Publication number
- CN117469183B CN117469183B CN202311824522.9A CN202311824522A CN117469183B CN 117469183 B CN117469183 B CN 117469183B CN 202311824522 A CN202311824522 A CN 202311824522A CN 117469183 B CN117469183 B CN 117469183B
- Authority
- CN
- China
- Prior art keywords
- vacuum pump
- impeller
- back cavity
- cavity
- duct
- 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
- 238000005339 levitation Methods 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 4
- 229920000915 polyvinyl chloride Polymers 0.000 description 4
- 239000004800 polyvinyl chloride Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
- F04D17/168—Pumps specially adapted to produce a vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/051—Axial thrust balancing
- F04D29/0513—Axial thrust balancing hydrostatic; hydrodynamic thrust bearings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311824522.9A CN117469183B (zh) | 2023-12-28 | 2023-12-28 | 一种离心式真空泵 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311824522.9A CN117469183B (zh) | 2023-12-28 | 2023-12-28 | 一种离心式真空泵 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN117469183A CN117469183A (zh) | 2024-01-30 |
CN117469183B true CN117469183B (zh) | 2024-03-29 |
Family
ID=89633337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202311824522.9A Active CN117469183B (zh) | 2023-12-28 | 2023-12-28 | 一种离心式真空泵 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN117469183B (zh) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5847171A (ja) * | 1981-09-14 | 1983-03-18 | Toshiba Corp | 多段水力機械 |
CN2924103Y (zh) * | 2006-06-20 | 2007-07-18 | 温州市腾宇泵阀制造有限公司 | 大功率卧式磁力驱动离心泵 |
CN101403392A (zh) * | 2008-11-08 | 2009-04-08 | 中国石油大学(华东) | 井下多相混抽泵平衡装置 |
CN205805998U (zh) * | 2016-07-01 | 2016-12-14 | 南京林业大学 | 一种无内漏轴向力自平衡的离心式流体输送装置 |
CN113107866A (zh) * | 2021-04-16 | 2021-07-13 | 山东天瑞重工有限公司 | 一种可调节轮背气压的真空泵 |
CN114810624A (zh) * | 2022-05-02 | 2022-07-29 | 烟台东德实业有限公司 | 一种双侧两级内循环高速离心空压机 |
CN217976710U (zh) * | 2022-08-30 | 2022-12-06 | 渤森动力科技(珠海)有限公司 | 一种空气悬浮离心鼓风机叶轮组件 |
CN116104775A (zh) * | 2022-12-22 | 2023-05-12 | 山东天瑞重工有限公司 | 一种自带轴向力平衡系统的磁悬浮真空泵 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6755786B2 (ja) * | 2016-12-05 | 2020-09-16 | 日本電産コパル電子株式会社 | 送風機およびその送風機を備えた送風システム |
-
2023
- 2023-12-28 CN CN202311824522.9A patent/CN117469183B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5847171A (ja) * | 1981-09-14 | 1983-03-18 | Toshiba Corp | 多段水力機械 |
CN2924103Y (zh) * | 2006-06-20 | 2007-07-18 | 温州市腾宇泵阀制造有限公司 | 大功率卧式磁力驱动离心泵 |
CN101403392A (zh) * | 2008-11-08 | 2009-04-08 | 中国石油大学(华东) | 井下多相混抽泵平衡装置 |
CN205805998U (zh) * | 2016-07-01 | 2016-12-14 | 南京林业大学 | 一种无内漏轴向力自平衡的离心式流体输送装置 |
CN113107866A (zh) * | 2021-04-16 | 2021-07-13 | 山东天瑞重工有限公司 | 一种可调节轮背气压的真空泵 |
CN114810624A (zh) * | 2022-05-02 | 2022-07-29 | 烟台东德实业有限公司 | 一种双侧两级内循环高速离心空压机 |
CN217976710U (zh) * | 2022-08-30 | 2022-12-06 | 渤森动力科技(珠海)有限公司 | 一种空气悬浮离心鼓风机叶轮组件 |
CN116104775A (zh) * | 2022-12-22 | 2023-05-12 | 山东天瑞重工有限公司 | 一种自带轴向力平衡系统的磁悬浮真空泵 |
Also Published As
Publication number | Publication date |
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CN117469183A (zh) | 2024-01-30 |
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Legal Events
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Li Yongsheng Inventor after: Liu Hui Inventor after: Shao Zefeng Inventor after: Wu Kemeng Inventor after: Zhang Haigang Inventor after: He Xiaohong Inventor after: Li Zhiyu Inventor before: Li Yongsheng Inventor before: Liu Hui Inventor before: Shao Zefeng Inventor before: Wu Kemeng Inventor before: Zhang Haigang Inventor before: He Xiaohong Inventor before: Li Zhiyu |