CH564692A5 - - Google Patents
Info
- Publication number
- CH564692A5 CH564692A5 CH448873A CH448873A CH564692A5 CH 564692 A5 CH564692 A5 CH 564692A5 CH 448873 A CH448873 A CH 448873A CH 448873 A CH448873 A CH 448873A CH 564692 A5 CH564692 A5 CH 564692A5
- Authority
- CH
- Switzerland
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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
- F04D29/324—Blades
-
- 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
- F04D29/544—Blade shapes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Non-Positive Displacement Air Blowers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2229724A DE2229724B2 (de) | 1972-06-19 | 1972-06-19 | Turbomolekularpumpe |
Publications (1)
Publication Number | Publication Date |
---|---|
CH564692A5 true CH564692A5 (it) | 1975-07-31 |
Family
ID=5848074
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH448873A CH564692A5 (it) | 1972-06-19 | 1973-03-28 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3826588A (it) |
CH (1) | CH564692A5 (it) |
DE (1) | DE2229724B2 (it) |
FR (1) | FR2190184A5 (it) |
GB (1) | GB1397179A (it) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4645413A (en) * | 1983-05-17 | 1987-02-24 | Leybold-Heraeus Gmbh | Friction pump |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2518201C3 (de) * | 1975-04-24 | 1979-03-15 | Battelle-Institut E.V., 6000 Frankfurt | Vorrichtung zum Trennen von Gasgemischen in Bestandteile unterschiedlicher Molekülmassen |
US4422822A (en) * | 1980-08-11 | 1983-12-27 | Norman Milleron | Rotating fiber array molecular driver and molecular momentum transfer device constructed therewith |
GB2128687B (en) * | 1982-10-13 | 1986-10-29 | Rolls Royce | Rotor or stator blade for an axial flow compressor |
DE3507274A1 (de) * | 1985-03-01 | 1986-09-04 | Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar | Scheiben mit schaufeln hoher stabilitaet fuer turbomolekularpumpen |
US5052887A (en) * | 1988-02-26 | 1991-10-01 | Novikov Nikolai M | Turbomolecular vacuum pump |
JPH0261387A (ja) * | 1988-08-24 | 1990-03-01 | Seiko Seiki Co Ltd | ターボ分子ポンプ |
IT1238201B (it) * | 1989-11-03 | 1993-07-09 | Varian Spa | Metodo di fabbricazione mediante elettroerosione di una girante o di un rotore a una o piu' giranti di una turbopompa, particolarmente di una pompa turbomolecolare, e prodotti cosi' ottenuti. |
IT1241177B (it) * | 1990-02-16 | 1993-12-29 | Varian Spa | Statore per pompa turbomolecolare. |
WO1994007033A1 (en) * | 1992-09-23 | 1994-03-31 | United States Of America As Represented By The Secretary Of The Air Force | Turbo-molecular blower |
JPH1089284A (ja) * | 1996-09-12 | 1998-04-07 | Seiko Seiki Co Ltd | ターボ分子ポンプ |
JP3092063B2 (ja) * | 1998-06-17 | 2000-09-25 | セイコー精機株式会社 | ターボ分子ポンプ |
JP4104098B2 (ja) * | 1999-03-31 | 2008-06-18 | エドワーズ株式会社 | 真空ポンプ |
DE10046506A1 (de) * | 2000-09-20 | 2002-03-28 | Leybold Vakuum Gmbh | Turbomolekularvakuumpumpe mit Rotorschaufelreihen und Statorschaufelreihen |
US8668436B2 (en) * | 2008-02-15 | 2014-03-11 | Shimadzu Corporation | Turbomolecular pump |
JP5369591B2 (ja) | 2008-10-03 | 2013-12-18 | 株式会社島津製作所 | ターボ分子ポンプ |
EP2757266B1 (en) * | 2013-01-22 | 2016-03-16 | Agilent Technologies, Inc. | Rotary vacuum pump |
JP6241223B2 (ja) * | 2013-03-13 | 2017-12-06 | 株式会社島津製作所 | 真空ポンプ |
GB2558921B (en) * | 2017-01-20 | 2020-06-17 | Edwards Ltd | A multiple stage turbomolecular pump with inter-stage inlet |
JP7052752B2 (ja) * | 2019-01-30 | 2022-04-12 | 株式会社島津製作所 | ターボ分子ポンプ |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2035063C3 (de) * | 1970-07-15 | 1974-05-30 | Arthur Pfeiffer-Vakuumtechnik Gmbh, 6330 Wetzlar | Laufrad für eine Turbomolekularpumpe |
-
1972
- 1972-06-19 DE DE2229724A patent/DE2229724B2/de not_active Withdrawn
-
1973
- 1973-03-28 CH CH448873A patent/CH564692A5/xx not_active IP Right Cessation
- 1973-06-15 FR FR7322024A patent/FR2190184A5/fr not_active Expired
- 1973-06-18 GB GB2890673A patent/GB1397179A/en not_active Expired
- 1973-06-19 US US00371372A patent/US3826588A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4645413A (en) * | 1983-05-17 | 1987-02-24 | Leybold-Heraeus Gmbh | Friction pump |
Also Published As
Publication number | Publication date |
---|---|
DE2229724B2 (de) | 1980-06-04 |
GB1397179A (en) | 1975-06-11 |
DE2229724A1 (de) | 1974-01-10 |
US3826588A (en) | 1974-07-30 |
FR2190184A5 (it) | 1974-01-25 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased | ||
PL | Patent ceased |