EP2253851A3 - Vakuumpumpe - Google Patents
Vakuumpumpe Download PDFInfo
- Publication number
- EP2253851A3 EP2253851A3 EP10004025.2A EP10004025A EP2253851A3 EP 2253851 A3 EP2253851 A3 EP 2253851A3 EP 10004025 A EP10004025 A EP 10004025A EP 2253851 A3 EP2253851 A3 EP 2253851A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- blade
- vacuum pump
- outer edge
- rear side
- vacuum
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000005086 pumping Methods 0.000 abstract 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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D23/00—Other rotary non-positive-displacement pumps
- F04D23/008—Regenerative 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Non-Positive Displacement Air Blowers (AREA)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009021642.1A DE102009021642B4 (de) | 2009-05-16 | 2009-05-16 | Vakuumpumpe |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2253851A2 EP2253851A2 (de) | 2010-11-24 |
EP2253851A3 true EP2253851A3 (de) | 2014-07-09 |
EP2253851B1 EP2253851B1 (de) | 2016-12-14 |
Family
ID=42272003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10004025.2A Not-in-force EP2253851B1 (de) | 2009-05-16 | 2010-04-16 | Vakuumpumpe |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2253851B1 (de) |
JP (1) | JP5670095B2 (de) |
DE (1) | DE102009021642B4 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011118661A1 (de) * | 2011-11-16 | 2013-05-16 | Pfeiffer Vacuum Gmbh | Reibungsvakuumpumpe |
GB2498816A (en) | 2012-01-27 | 2013-07-31 | Edwards Ltd | Vacuum pump |
DE102013108482A1 (de) | 2013-08-06 | 2015-02-12 | Pfeiffer Vacuum Gmbh | Vakuumpumpstufe |
DE102015113821B4 (de) | 2014-08-27 | 2020-06-04 | Pfeiffer Vacuum Gmbh | Vakuumpumpe |
DE102017215731A1 (de) * | 2017-09-07 | 2019-03-07 | Robert Bosch Gmbh | Seitenkanalverdichter für ein Brennstoffzellensystem zur Förderung und/oder Verdichtung von einem gasförmigen Medium |
EP3623634B1 (de) * | 2019-08-13 | 2022-04-06 | Pfeiffer Vacuum Gmbh | Vakuumpumpe umfassend eine holweckpumpstufe und zwei seitenkanalpumpstufen |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2298457A (en) * | 1994-09-19 | 1996-09-04 | Hitachi Ltd | Vacuum pump |
EP0845600A2 (de) * | 1996-11-29 | 1998-06-03 | Dürr Dental GmbH & Co. KG | Seitenkanalmaschine |
JPH10196586A (ja) * | 1997-01-06 | 1998-07-31 | Hitachi Ltd | ターボ真空ポンプ |
DE10334950A1 (de) * | 2003-07-31 | 2004-12-09 | Nash_Elmo Industries Gmbh | Seitenkanalverdichter und Verfahren zum Betrieb eines Seitenkanalverdichters |
US20050207883A1 (en) * | 2004-03-19 | 2005-09-22 | Ametek, Inc. | Vortex blower having helmholtz resonators and a baffle assembly |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61210294A (ja) * | 1985-03-13 | 1986-09-18 | Nishimura Denki Kk | 送風機 |
JPH0689758B2 (ja) * | 1988-06-28 | 1994-11-14 | ダイキン工業株式会社 | 渦流形ターボ機械 |
US5358373A (en) * | 1992-04-29 | 1994-10-25 | Varian Associates, Inc. | High performance turbomolecular vacuum pumps |
DE19930952A1 (de) | 1999-07-05 | 2001-01-11 | Pfeiffer Vacuum Gmbh | Vakuumpumpe |
JP3800128B2 (ja) | 2001-07-31 | 2006-07-26 | 株式会社デンソー | インペラ及びタービン式燃料ポンプ |
GB0229356D0 (en) | 2002-12-17 | 2003-01-22 | Boc Group Plc | Vacuum pumping arrangement |
JP4524349B2 (ja) | 2003-02-25 | 2010-08-18 | 日立オートモティブシステムズ株式会社 | タービン型燃料ポンプ |
FR2859250B1 (fr) * | 2003-08-29 | 2005-11-11 | Cit Alcatel | Pompe a vide |
DE102005025132A1 (de) | 2005-06-01 | 2006-12-07 | Robert Bosch Gmbh | Förderaggregat |
-
2009
- 2009-05-16 DE DE102009021642.1A patent/DE102009021642B4/de not_active Expired - Fee Related
-
2010
- 2010-04-16 EP EP10004025.2A patent/EP2253851B1/de not_active Not-in-force
- 2010-05-12 JP JP2010109860A patent/JP5670095B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2298457A (en) * | 1994-09-19 | 1996-09-04 | Hitachi Ltd | Vacuum pump |
EP0845600A2 (de) * | 1996-11-29 | 1998-06-03 | Dürr Dental GmbH & Co. KG | Seitenkanalmaschine |
JPH10196586A (ja) * | 1997-01-06 | 1998-07-31 | Hitachi Ltd | ターボ真空ポンプ |
DE10334950A1 (de) * | 2003-07-31 | 2004-12-09 | Nash_Elmo Industries Gmbh | Seitenkanalverdichter und Verfahren zum Betrieb eines Seitenkanalverdichters |
US20050207883A1 (en) * | 2004-03-19 | 2005-09-22 | Ametek, Inc. | Vortex blower having helmholtz resonators and a baffle assembly |
Also Published As
Publication number | Publication date |
---|---|
DE102009021642A1 (de) | 2010-11-18 |
EP2253851A2 (de) | 2010-11-24 |
JP5670095B2 (ja) | 2015-02-18 |
DE102009021642B4 (de) | 2021-07-22 |
EP2253851B1 (de) | 2016-12-14 |
JP2010265895A (ja) | 2010-11-25 |
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