CA954487A - Turbo-molecular pump having improved rotor and stator construction - Google Patents
Turbo-molecular pump having improved rotor and stator constructionInfo
- Publication number
- CA954487A CA954487A CA094,791A CA94791A CA954487A CA 954487 A CA954487 A CA 954487A CA 94791 A CA94791 A CA 94791A CA 954487 A CA954487 A CA 954487A
- Authority
- CA
- Canada
- Prior art keywords
- turbo
- molecular pump
- improved rotor
- stator construction
- stator
- 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.)
- Expired
Links
- 238000010276 construction Methods 0.000 title 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
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86984869A | 1969-10-27 | 1969-10-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA954487A true CA954487A (en) | 1974-09-10 |
Family
ID=25354369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA094,791A Expired CA954487A (en) | 1969-10-27 | 1970-10-05 | Turbo-molecular pump having improved rotor and stator construction |
Country Status (8)
Country | Link |
---|---|
US (1) | US3644051A (en) |
BE (1) | BE757354A (en) |
CA (1) | CA954487A (en) |
CH (1) | CH532199A (en) |
DE (1) | DE2046693A1 (en) |
FR (1) | FR2065419A5 (en) |
GB (1) | GB1332004A (en) |
NL (1) | NL7014593A (en) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2035063C3 (en) * | 1970-07-15 | 1974-05-30 | Arthur Pfeiffer-Vakuumtechnik Gmbh, 6330 Wetzlar | Impeller for a turbo molecular pump |
US3969039A (en) * | 1974-08-01 | 1976-07-13 | American Optical Corporation | Vacuum pump |
FR2355177A1 (en) * | 1975-06-17 | 1978-01-13 | Bradbury Inventions Pty Ltd | Multi-stage axial flow turbine - has stator blades at 45 degrees in opposition to blades on rotor |
US4025225A (en) * | 1975-08-04 | 1977-05-24 | Robert R. Reed | Disc pump or turbine |
DE2923632A1 (en) * | 1979-06-11 | 1980-12-18 | Leybold Heraeus Gmbh & Co Kg | METHOD FOR PRODUCING A VAN RING FOR THE ROTOR OF A TUBOMOLECULAR PUMP AND A ROTOR EQUIPPED WITH VAN RINGS OF THIS TYPE |
US4767265A (en) * | 1983-10-07 | 1988-08-30 | Sargent-Welch Scientific Co. | Turbomolecular pump with improved bearing assembly |
US4674952A (en) * | 1983-10-07 | 1987-06-23 | Sargent-Welch Scientific Company | Turbo molecular pump with improved bearing assembly |
US4806075A (en) * | 1983-10-07 | 1989-02-21 | Sargent-Welch Scientific Co. | Turbomolecular pump with improved bearing assembly |
DE3722164C2 (en) * | 1987-07-04 | 1995-04-20 | Balzers Pfeiffer Gmbh | Turbomolecular pump |
DE3728154C2 (en) * | 1987-08-24 | 1996-04-18 | Balzers Pfeiffer Gmbh | Multi-stage molecular pump |
IT1238201B (en) * | 1989-11-03 | 1993-07-09 | Varian Spa | METHOD OF MANUFACTURE BY ELECTROEROSION OF A IMPELLER OR A ROTOR TO ONE OR MORE IMPELLERS OF A TURBO PUMP, PARTICULARLY OF A TURBOMOLECULAR PUMP, AND PRODUCTS SO OBTAINED. |
US5358373A (en) | 1992-04-29 | 1994-10-25 | Varian Associates, Inc. | High performance turbomolecular vacuum pumps |
JP3079367B2 (en) * | 1997-10-03 | 2000-08-21 | セイコー精機株式会社 | Turbo molecular pump |
JP3092063B2 (en) * | 1998-06-17 | 2000-09-25 | セイコー精機株式会社 | Turbo molecular pump |
WO2000042291A1 (en) * | 1999-01-08 | 2000-07-20 | Fantom Technologies Inc. | Friction turbine |
US6224325B1 (en) * | 1999-01-08 | 2001-05-01 | Wayne Ernest Conrad | Prandtl layer turbine |
US6261052B1 (en) | 1999-01-08 | 2001-07-17 | Fantom Technologies Inc. | Prandtl layer turbine |
US6238177B1 (en) | 1999-01-08 | 2001-05-29 | Fantom Technologies Inc. | Prandtl layer turbine |
US6174127B1 (en) * | 1999-01-08 | 2001-01-16 | Fantom Technologies Inc. | Prandtl layer turbine |
DE19930952A1 (en) * | 1999-07-05 | 2001-01-11 | Pfeiffer Vacuum Gmbh | Vacuum pump |
US6250071B1 (en) | 1999-08-27 | 2001-06-26 | Schmoll & Halquiss | Housing for a disk propulsion system and a method of using the same |
US6368078B1 (en) * | 2000-11-27 | 2002-04-09 | John F. Palumbo | Bladeless turbocharger |
EP1249612B1 (en) | 2001-03-15 | 2004-01-28 | VARIAN S.p.A. | Method of manufacturing a stator stage for a turbine pump |
DE10150015A1 (en) * | 2001-10-11 | 2003-04-17 | Leybold Vakuum Gmbh | Multiple chamber plant used for degassing, coating or etching substrates comprises an evacuating system connected to chambers |
DE102004012713A1 (en) † | 2004-03-16 | 2005-10-06 | Pfeiffer Vacuum Gmbh | Turbo molecular pump |
US7251260B2 (en) * | 2004-08-24 | 2007-07-31 | Coherent, Inc. | Wavelength-locked fiber-coupled diode-laser bar |
US20060291997A1 (en) * | 2004-10-26 | 2006-12-28 | Wilson Erich A | Fluid Flow Chambers and Bridges in Bladeless Compressors, Turbines and Pumps |
US20060216149A1 (en) * | 2004-10-26 | 2006-09-28 | Wilson Erich A | Fluid Flow Channels in Bladeless Compressors, Turbines and Pumps |
CN2752494Y (en) * | 2004-11-04 | 2006-01-18 | 梁和胜 | Blowing machine |
US20070258824A1 (en) * | 2005-02-01 | 2007-11-08 | 1134934 Alberta Ltd. | Rotor for viscous or abrasive fluids |
US7478990B2 (en) * | 2005-10-25 | 2009-01-20 | Wilson Erich A | Bracket/spacer optimization in bladeless turbines, compressors and pumps |
CN2856502Y (en) * | 2005-11-04 | 2007-01-10 | 梁和胜 | Fan |
JP5369591B2 (en) * | 2008-10-03 | 2013-12-18 | 株式会社島津製作所 | Turbo molecular pump |
TWI424121B (en) * | 2010-12-10 | 2014-01-21 | Prosol Corp | Turbo molecular pump with improved blade structures |
GB2498816A (en) * | 2012-01-27 | 2013-07-31 | Edwards Ltd | Vacuum pump |
EP3091235B1 (en) * | 2015-05-04 | 2020-03-11 | Pfeiffer Vacuum Gmbh | Rotor disc |
GB2592618A (en) * | 2020-03-03 | 2021-09-08 | Edwards Ltd | Turbine blades and methods of manufacture of turbine blades |
US11286779B2 (en) | 2020-06-03 | 2022-03-29 | Honeywell International Inc. | Characteristic distribution for rotor blade of booster rotor |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL281280A (en) * | ||||
US1668462A (en) * | 1924-05-09 | 1928-05-01 | Richard W Oswald | Disk fan wheel |
CH227403A (en) * | 1942-04-07 | 1943-06-15 | Sulzer Ag | Multi-stage turbo machine. |
US2706451A (en) * | 1948-10-20 | 1955-04-19 | Mayer-Ortiz Carlos | Axial flow pump |
US2774307A (en) * | 1952-02-19 | 1956-12-18 | Heinrich Schloz | Rotary pump |
US2803945A (en) * | 1954-05-04 | 1957-08-27 | Werner I Staaf | Gas turbine construction |
US2918208A (en) * | 1956-02-02 | 1959-12-22 | Becker Willi | Molecular pump |
GB885954A (en) * | 1960-03-08 | 1962-01-03 | Arthur Pfeiffer G M B H | Improvements in or relating to molecular pumps |
US3138318A (en) * | 1961-05-15 | 1964-06-23 | Snecma | Turbo-molecular vacuum pump |
FR1297182A (en) * | 1961-05-15 | 1962-06-29 | Snecma | Turbomolecular vacuum pump |
FR84320E (en) * | 1963-06-05 | 1965-01-22 | Snecma | Turbomolecular Vacuum Pumps Improvements |
-
0
- BE BE757354D patent/BE757354A/en not_active IP Right Cessation
-
1969
- 1969-10-27 US US869848A patent/US3644051A/en not_active Expired - Lifetime
-
1970
- 1970-09-22 DE DE19702046693 patent/DE2046693A1/en active Pending
- 1970-10-05 CA CA094,791A patent/CA954487A/en not_active Expired
- 1970-10-05 NL NL7014593A patent/NL7014593A/xx unknown
- 1970-10-06 CH CH1486870A patent/CH532199A/en not_active IP Right Cessation
- 1970-10-08 GB GB4786070A patent/GB1332004A/en not_active Expired
- 1970-10-13 FR FR7036986A patent/FR2065419A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2046693A1 (en) | 1971-05-06 |
CH532199A (en) | 1972-12-31 |
BE757354A (en) | 1971-03-16 |
US3644051A (en) | 1972-02-22 |
GB1332004A (en) | 1973-10-03 |
NL7014593A (en) | 1971-04-29 |
FR2065419A5 (en) | 1971-07-23 |
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