EP4549740A3 - Strömungstechnisch- und temperaturoptimierte vakuumpumpe - Google Patents
Strömungstechnisch- und temperaturoptimierte vakuumpumpeInfo
- Publication number
- EP4549740A3 EP4549740A3 EP25164817.6A EP25164817A EP4549740A3 EP 4549740 A3 EP4549740 A3 EP 4549740A3 EP 25164817 A EP25164817 A EP 25164817A EP 4549740 A3 EP4549740 A3 EP 4549740A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- holweck
- rotor
- vacuum pump
- diameter
- sleeve
- 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
- 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
- F04D19/044—Holweck-type 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
- 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
- F04D19/046—Combinations of two or more different types of pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Non-Positive Displacement Air Blowers (AREA)
Abstract
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP25164817.6A EP4549740A3 (de) | 2025-03-19 | 2025-03-19 | Strömungstechnisch- und temperaturoptimierte vakuumpumpe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP25164817.6A EP4549740A3 (de) | 2025-03-19 | 2025-03-19 | Strömungstechnisch- und temperaturoptimierte vakuumpumpe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4549740A2 EP4549740A2 (de) | 2025-05-07 |
| EP4549740A3 true EP4549740A3 (de) | 2025-10-22 |
Family
ID=94971879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP25164817.6A Pending EP4549740A3 (de) | 2025-03-19 | 2025-03-19 | Strömungstechnisch- und temperaturoptimierte vakuumpumpe |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP4549740A3 (de) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0260733A1 (de) * | 1986-08-12 | 1988-03-23 | Ultra-Centrifuge Nederland N.V. | Hochvakuumpumpe |
| JPH10122179A (ja) * | 1996-10-18 | 1998-05-12 | Osaka Shinku Kiki Seisakusho:Kk | 真空ポンプ |
| DE102013209614A1 (de) * | 2013-05-23 | 2014-11-27 | Pfeiffer Vacuum Gmbh | Verfahren zur Herstellung eines strukturierten Bauteils |
| DE202013009462U1 (de) * | 2013-10-28 | 2015-01-29 | Oerlikon Leybold Vacuum Gmbh | Trägerelement für Rohrelemente einer Holweckstufe |
| US20160298649A1 (en) * | 2013-09-24 | 2016-10-13 | Oerlikon Leybold Vacuum Gmbh | Vacuum pump |
| EP2565464B1 (de) * | 2011-09-05 | 2019-04-24 | Pfeiffer Vacuum GmbH | Vakuumpumpe |
| EP2933497B1 (de) * | 2014-04-17 | 2020-10-07 | Pfeiffer Vacuum GmbH | Vakuumpumpe |
| EP3907406A1 (de) * | 2021-04-16 | 2021-11-10 | Pfeiffer Vacuum Technology AG | Vakuumpumpe |
| GB2607339A (en) * | 2021-06-04 | 2022-12-07 | Edwards Ltd | Holweck drag pump |
| EP3034882B1 (de) * | 2014-12-17 | 2024-08-14 | Pfeiffer Vacuum Gmbh | Vakuumpumpe |
| EP4251887B1 (de) * | 2020-11-25 | 2025-01-01 | Edwards Limited | Reibungspumpmechanismus für eine turbomolekularpumpe |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4108931B1 (de) | 2022-09-01 | 2024-06-26 | Pfeiffer Vacuum Technology AG | Verfahren zum betreiben einer molekularvakuumpumpe zur erzielung eines verbesserten saugvermögens |
-
2025
- 2025-03-19 EP EP25164817.6A patent/EP4549740A3/de active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0260733A1 (de) * | 1986-08-12 | 1988-03-23 | Ultra-Centrifuge Nederland N.V. | Hochvakuumpumpe |
| JPH10122179A (ja) * | 1996-10-18 | 1998-05-12 | Osaka Shinku Kiki Seisakusho:Kk | 真空ポンプ |
| EP2565464B1 (de) * | 2011-09-05 | 2019-04-24 | Pfeiffer Vacuum GmbH | Vakuumpumpe |
| DE102013209614A1 (de) * | 2013-05-23 | 2014-11-27 | Pfeiffer Vacuum Gmbh | Verfahren zur Herstellung eines strukturierten Bauteils |
| US20160298649A1 (en) * | 2013-09-24 | 2016-10-13 | Oerlikon Leybold Vacuum Gmbh | Vacuum pump |
| DE202013009462U1 (de) * | 2013-10-28 | 2015-01-29 | Oerlikon Leybold Vacuum Gmbh | Trägerelement für Rohrelemente einer Holweckstufe |
| EP2933497B1 (de) * | 2014-04-17 | 2020-10-07 | Pfeiffer Vacuum GmbH | Vakuumpumpe |
| EP3034882B1 (de) * | 2014-12-17 | 2024-08-14 | Pfeiffer Vacuum Gmbh | Vakuumpumpe |
| EP4251887B1 (de) * | 2020-11-25 | 2025-01-01 | Edwards Limited | Reibungspumpmechanismus für eine turbomolekularpumpe |
| EP3907406A1 (de) * | 2021-04-16 | 2021-11-10 | Pfeiffer Vacuum Technology AG | Vakuumpumpe |
| GB2607339A (en) * | 2021-06-04 | 2022-12-07 | Edwards Ltd | Holweck drag pump |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4549740A2 (de) | 2025-05-07 |
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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 |
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| STAA | Information on the status of an ep patent application or granted ep patent |
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| PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
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| RIC1 | Information provided on ipc code assigned before grant |
Ipc: F04D 19/04 20060101AFI20250829BHEP |
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| AK | Designated contracting states |
Kind code of ref document: A3 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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| RIC1 | Information provided on ipc code assigned before grant |
Ipc: F04D 19/04 20060101AFI20250916BHEP |
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| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |