EP4459131A3 - Turbomolekularvakuumpumpe mit optimierter sperrgaszufuhr - Google Patents
Turbomolekularvakuumpumpe mit optimierter sperrgaszufuhr Download PDFInfo
- Publication number
- EP4459131A3 EP4459131A3 EP24200029.7A EP24200029A EP4459131A3 EP 4459131 A3 EP4459131 A3 EP 4459131A3 EP 24200029 A EP24200029 A EP 24200029A EP 4459131 A3 EP4459131 A3 EP 4459131A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- pumping mechanism
- housing
- pumping
- partition wall
- electric motor
- 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.)
- Pending
Links
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
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
- F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
- F04D19/042—Turbomolecular vacuum pumps
-
- 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
- F04D29/08—Sealings
- F04D29/083—Sealings especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Non-Positive Displacement Air Blowers (AREA)
Abstract
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP24200029.7A EP4459131A3 (de) | 2024-09-12 | 2024-09-12 | Turbomolekularvakuumpumpe mit optimierter sperrgaszufuhr |
| JP2025084685A JP2026053254A (ja) | 2024-09-12 | 2025-05-21 | シールガス供給が最適化されたターボ分子真空ポンプ |
| CN202510847262.XA CN121654605A (zh) | 2024-09-12 | 2025-06-24 | 具有优化的屏蔽气导入结构的涡轮分子真空泵 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP24200029.7A EP4459131A3 (de) | 2024-09-12 | 2024-09-12 | Turbomolekularvakuumpumpe mit optimierter sperrgaszufuhr |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4459131A2 EP4459131A2 (de) | 2024-11-06 |
| EP4459131A3 true EP4459131A3 (de) | 2025-04-09 |
Family
ID=92792044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP24200029.7A Pending EP4459131A3 (de) | 2024-09-12 | 2024-09-12 | Turbomolekularvakuumpumpe mit optimierter sperrgaszufuhr |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4459131A3 (de) |
| JP (1) | JP2026053254A (de) |
| CN (1) | CN121654605A (de) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202006017846U1 (de) * | 2006-11-23 | 2008-03-27 | Oerlikon Leybold Vacuum Gmbh | Hochvakuumpumpe |
| EP4108931A1 (de) * | 2022-09-01 | 2022-12-28 | Pfeiffer Vacuum Technology AG | Molekularvakuumpumpe mit verbessertem saugvermögen sowie verfahren zum betreiben einer molekularvakuumpumpe zur erzielung eines verbesserten saugvermögens |
-
2024
- 2024-09-12 EP EP24200029.7A patent/EP4459131A3/de active Pending
-
2025
- 2025-05-21 JP JP2025084685A patent/JP2026053254A/ja active Pending
- 2025-06-24 CN CN202510847262.XA patent/CN121654605A/zh active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202006017846U1 (de) * | 2006-11-23 | 2008-03-27 | Oerlikon Leybold Vacuum Gmbh | Hochvakuumpumpe |
| EP4108931A1 (de) * | 2022-09-01 | 2022-12-28 | Pfeiffer Vacuum Technology AG | Molekularvakuumpumpe mit verbessertem saugvermögen sowie verfahren zum betreiben einer molekularvakuumpumpe zur erzielung eines verbesserten saugvermögens |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4459131A2 (de) | 2024-11-06 |
| JP2026053254A (ja) | 2026-03-25 |
| CN121654605A (zh) | 2026-03-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR |
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| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: LOHSE, MARTIN Inventor name: BIRKENFELD, MAXIMILIAN |
|
| PUAL | Search report despatched |
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| STAA | Information on the status of an ep patent application or granted ep patent |
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| 17P | Request for examination filed |
Effective date: 20250306 |
|
| AK | Designated contracting states |
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| RIC1 | Information provided on ipc code assigned before grant |
Ipc: F04D 29/08 20060101ALI20250304BHEP Ipc: F04D 19/04 20060101AFI20250304BHEP |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |