WO2001011242A1 - Statorring für eine turbomolekularvakuumpumpe - Google Patents
Statorring für eine turbomolekularvakuumpumpe Download PDFInfo
- Publication number
- WO2001011242A1 WO2001011242A1 PCT/EP2000/006389 EP0006389W WO0111242A1 WO 2001011242 A1 WO2001011242 A1 WO 2001011242A1 EP 0006389 W EP0006389 W EP 0006389W WO 0111242 A1 WO0111242 A1 WO 0111242A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stator
- ring
- vacuum pump
- blades
- turbomolecular vacuum
- Prior art date
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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/542—Bladed diffusers
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
Definitions
- the invention relates to a stator ring for a turbomolecular vacuum pump with an outer spacer ring and with stator blades.
- turbomolecular vacuum pumps is similar to the construction of turbines. Rotor blade rows and stator blade rows alternate with each other.
- turbomolecular pump is installed in such a way that a stator blade ring and a rotor blade ring are placed alternately one above the other. Spacer rings between the respective rings ensure that the interlocking blades do not touch each other.
- stator blade rings must be divided in order to be able to assemble the system consisting of interlocking rows of stator and rotor blades.
- the stator rings usually consist of two stator half rings which are centered at a distance from one another by the spacer rings.
- a stator constructed in this way for a turbomolecular vacuum pump is known from EU-A-478882.
- a disadvantage of the prior art is the relatively high number of components of the stator package, which has an influence on the manufacturing costs and on the assembly costs.
- the present invention has for its object to reduce the manufacturing and assembly costs for the stator of a turbomolecular vacuum pump.
- this object is achieved in that the spacer ring and the stator blades of a row of stator blades are formed in one piece.
- the invention also has another significant advantage which relates to the heat-conducting properties.
- the number of outer contact surfaces is also reduced compared to the prior art. This significantly improves the dissipation of the heat absorbed by the blades into the stator.
- the stator ring also expediently has an inner ring integrated with the blades. This results in an extremely stable system that can be manufactured in a simple manner, for example by milling.
- FIGS. 1 and 2 a stator half ring according to the invention, intended for the suction side of a turbomolecular pump, and
- FIGS. 3 and 4 a stator half ring according to the invention, intended for the pressure side of a turbomolecular vacuum pump.
- stator half ring is designated 1, the stator blades 2, an outer half ring 3 and an inner half ring 4. All components are made in one piece.
- stator half ring 1 shown allows the assembly of a turbomolecular vacuum pump with a one-piece rotor. If the rotor also includes separate rotor blade rings, undivided stator blade rings 1 can be used.
- half rings are shown as exemplary embodiments. The claims are to be understood so that a stator ring according to the invention can be a divided as well as an undivided stator ring.
- the outer ring 3 - seen in the axial direction - has a height that also allows it to take over the function of a spacer ring.
- the inner ring must find space between the rows of rotor blades, not shown. Its axial height is correspondingly smaller.
- Blade configurations of this type are used in the inlet area of a turbomolecular vacuum pump.
- the angle of attack and the blade spacing are relatively small.
- the blades partially overlap each other. Blade configurations of this type are used in the outlet area of a turbomolecular vacuum pump.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Non-Positive Displacement Air Blowers (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002379547A CA2379547A1 (en) | 1999-08-07 | 2000-07-06 | Stator ring for a turbomolecular vacuum pump |
EP00951349A EP1200742A1 (de) | 1999-08-07 | 2000-07-06 | Statorring für eine turbomolekularvakuumpumpe |
JP2001515465A JP2003506631A (ja) | 1999-08-07 | 2000-07-06 | ターボ分子真空ポンプのためのステータリング |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19937393.0 | 1999-08-07 | ||
DE1999137393 DE19937393A1 (de) | 1999-08-07 | 1999-08-07 | Statorring für eine Turbomolekularvakuumpumpe |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001011242A1 true WO2001011242A1 (de) | 2001-02-15 |
Family
ID=7917612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2000/006389 WO2001011242A1 (de) | 1999-08-07 | 2000-07-06 | Statorring für eine turbomolekularvakuumpumpe |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1200742A1 (de) |
JP (1) | JP2003506631A (de) |
CA (1) | CA2379547A1 (de) |
DE (1) | DE19937393A1 (de) |
WO (1) | WO2001011242A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8709070B2 (en) | 2011-05-10 | 2014-04-29 | Abbott Cardiovascular Systems Inc. | Bioabsorbable scaffold with particles providing delayed acceleration of degradation |
US10844864B2 (en) | 2016-08-08 | 2020-11-24 | Edwards Limited | Vacuum pump |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10046766A1 (de) * | 2000-09-21 | 2002-04-11 | Leybold Vakuum Gmbh | Compound-Reibungsvakuumpumpe |
EP1249612B1 (de) * | 2001-03-15 | 2004-01-28 | VARIAN S.p.A. | Herstellungsverfahren einer Statorstufe für eine Turbinenpumpe |
EP1249613B1 (de) | 2001-03-15 | 2004-01-28 | VARIAN S.p.A. | Turbinenpumpe mit einer Statorstufe integriert mit einem Distanzring |
DE10357547B4 (de) * | 2003-12-10 | 2020-04-23 | Pfeiffer Vacuum Gmbh | Turbomolekularpumpe |
DE102004023961A1 (de) * | 2004-05-14 | 2005-12-01 | Leybold Vacuum Gmbh | Verfahren zur Herstellung einer Turbomolekularpumpen-Statorstufe |
JP4676731B2 (ja) * | 2004-09-10 | 2011-04-27 | エドワーズ株式会社 | ターボ分子ポンプ固定翼及び真空ポンプ |
DE102006050565A1 (de) * | 2006-10-26 | 2008-04-30 | Pfeiffer Vacuum Gmbh | Statorscheibe für eine Turbomolekularpumpe |
WO2009028099A1 (ja) * | 2007-08-31 | 2009-03-05 | Shimadzu Corporation | ターボ分子ポンプ |
JP5397138B2 (ja) * | 2009-10-02 | 2014-01-22 | 株式会社島津製作所 | ターボ分子ポンプ |
DE102013213256A1 (de) * | 2013-07-05 | 2015-01-08 | Oerlikon Leybold Vacuum Gmbh | Statorscheibe |
GB2557679A (en) * | 2016-12-15 | 2018-06-27 | Edwards Ltd | Stator blade unit for a turbomolecular pump |
FR3135306B1 (fr) * | 2022-05-05 | 2024-05-10 | Pfeiffer Vacuum | Pompe à vide turbomoléculaire et procédé d’assemblage |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0478882A1 (de) * | 1990-09-29 | 1992-04-08 | Leybold Aktiengesellschaft | Stator für eine Turbomolekularvakuumpumpe |
US5374160A (en) * | 1992-04-29 | 1994-12-20 | Varian Associates, Inc. | High performance turbomolecular vacuum pumps |
-
1999
- 1999-08-07 DE DE1999137393 patent/DE19937393A1/de not_active Ceased
-
2000
- 2000-07-06 CA CA002379547A patent/CA2379547A1/en not_active Abandoned
- 2000-07-06 WO PCT/EP2000/006389 patent/WO2001011242A1/de not_active Application Discontinuation
- 2000-07-06 JP JP2001515465A patent/JP2003506631A/ja active Pending
- 2000-07-06 EP EP00951349A patent/EP1200742A1/de not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0478882A1 (de) * | 1990-09-29 | 1992-04-08 | Leybold Aktiengesellschaft | Stator für eine Turbomolekularvakuumpumpe |
US5374160A (en) * | 1992-04-29 | 1994-12-20 | Varian Associates, Inc. | High performance turbomolecular vacuum pumps |
US5482430A (en) * | 1992-04-29 | 1996-01-09 | Varian Associates, Inc. | High performance turbomolecular vacuum pumps |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8709070B2 (en) | 2011-05-10 | 2014-04-29 | Abbott Cardiovascular Systems Inc. | Bioabsorbable scaffold with particles providing delayed acceleration of degradation |
US10844864B2 (en) | 2016-08-08 | 2020-11-24 | Edwards Limited | Vacuum pump |
Also Published As
Publication number | Publication date |
---|---|
CA2379547A1 (en) | 2001-02-15 |
EP1200742A1 (de) | 2002-05-02 |
DE19937393A1 (de) | 2001-02-08 |
JP2003506631A (ja) | 2003-02-18 |
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