CA947733A - Vacuum pumps - Google Patents
Vacuum pumpsInfo
- Publication number
- CA947733A CA947733A CA109,014A CA109014A CA947733A CA 947733 A CA947733 A CA 947733A CA 109014 A CA109014 A CA 109014A CA 947733 A CA947733 A CA 947733A
- Authority
- CA
- Canada
- Prior art keywords
- vacuum pumps
- pumps
- 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.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/044—Active magnetic bearings
-
- 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
- F04D19/048—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps comprising magnetic bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/06—Ball or roller bearings
- F16C23/08—Ball or roller bearings self-adjusting
- F16C23/082—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0402—Bearings not otherwise provided for using magnetic or electric supporting means combined with other supporting means, e.g. hybrid bearings with both magnetic and fluid supporting means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/44—Centrifugal pumps
- F16C2360/45—Turbo-molecular pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Positive Displacement Air Blowers (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7011571A FR2086525A5 (en) | 1970-04-01 | 1970-04-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA947733A true CA947733A (en) | 1974-05-21 |
Family
ID=9053185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA109,014A Expired CA947733A (en) | 1970-04-01 | 1971-03-29 | Vacuum pumps |
Country Status (7)
Country | Link |
---|---|
US (1) | US3749528A (en) |
BE (1) | BE765041A (en) |
CA (1) | CA947733A (en) |
CH (1) | CH536940A (en) |
FR (1) | FR2086525A5 (en) |
GB (1) | GB1304989A (en) |
NL (1) | NL166100C (en) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2213470B2 (en) * | 1972-03-20 | 1980-04-10 | Padana Ag, Zug (Schweiz) | Magnetic bearing |
GB1398364A (en) * | 1972-09-14 | 1975-06-18 | Eheim G | Motor and pump combination |
FR2224009A5 (en) * | 1973-03-30 | 1974-10-25 | Cit Alcatel | |
DE2349033C3 (en) * | 1973-09-29 | 1984-08-30 | Leybold-Heraeus Gmbh, 5000 Koeln | Turbo molecular pump |
CH583856A5 (en) * | 1974-09-27 | 1977-01-14 | Balzers Patent Beteilig Ag | |
US4116592A (en) * | 1976-08-20 | 1978-09-26 | Viktor Yakovlevich Cherny | Turbomolecular high-vacuum pulp |
DE2654055B2 (en) * | 1976-11-29 | 1979-11-08 | Kernforschungsanlage Juelich Gmbh, 5170 Juelich | Rotor and stator disks for turbo molecular pumps |
FR2378487A1 (en) * | 1977-02-01 | 1978-08-25 | Lamour Danielle | APPARATUS FOR JOINTLY ENSURING THE WAKING UP AND PREPARATION OF A HOT DRINK OR SIMILAR PRODUCT |
US4405286A (en) * | 1982-01-21 | 1983-09-20 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Actively suspended counter-rotating machine |
DE3204750C2 (en) * | 1982-02-11 | 1984-04-26 | Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar | Magnetically mounted turbo molecular pump |
US4579508A (en) * | 1982-04-21 | 1986-04-01 | Hitachi, Ltd. | Turbomolecular pump |
JPH0646036B2 (en) * | 1982-11-19 | 1994-06-15 | セイコー電子工業株式会社 | Axial flow molecular pump |
EP0209625B1 (en) * | 1985-07-09 | 1990-10-24 | JAMES HOWDEN & COMPANY LIMITED | Gas circulator |
DE4314419A1 (en) * | 1993-05-03 | 1994-11-10 | Leybold Ag | Friction vacuum pump with bearing support |
GB9525337D0 (en) * | 1995-12-12 | 1996-02-14 | Boc Group Plc | Improvements in vacuum pumps |
EP0816654B1 (en) * | 1996-06-26 | 2004-09-22 | Rolls-Royce Corporation | Bearing combination for gas turbine engine |
US6332752B2 (en) * | 1997-06-27 | 2001-12-25 | Ebara Corporation | Turbo-molecular pump |
US6508631B1 (en) | 1999-11-18 | 2003-01-21 | Mks Instruments, Inc. | Radial flow turbomolecular vacuum pump |
DE10010371A1 (en) * | 2000-03-02 | 2001-09-06 | Pfeiffer Vacuum Gmbh | Turbomolecular pump |
US6727616B1 (en) * | 2000-11-08 | 2004-04-27 | Christopher W. Gabrys | Flywheel energy storage system with quill stabilizer |
US7679245B2 (en) * | 2001-09-17 | 2010-03-16 | Beacon Power Corporation | Repulsive lift systems, flywheel energy storage systems utilizing such systems and methods related thereto |
US6707202B2 (en) * | 2002-03-29 | 2004-03-16 | Emerson Electric Co. | Sleeve and bearing that locate a rotating component and a machined surface of a rotary device |
US9512853B2 (en) * | 2013-03-14 | 2016-12-06 | Texas Capital Semiconductor, Inc. | Turbine cap for turbo-molecular pump |
US11274671B2 (en) | 2011-09-14 | 2022-03-15 | Roger L. Bottomfield | Turbine cap for turbo-molecular pump |
US9512848B2 (en) * | 2011-09-14 | 2016-12-06 | Texas Capital Semiconductor, Inc. | Turbine cap for turbo-molecular pump |
DE102012224070A1 (en) * | 2012-12-20 | 2014-06-26 | Pfeiffer Vacuum Gmbh | Bearing holder for a rotary bearing, in particular for a vacuum pump |
JP6427963B2 (en) * | 2014-06-03 | 2018-11-28 | 株式会社島津製作所 | Vacuum pump |
CN116692401B (en) * | 2023-07-31 | 2023-10-27 | 原平市兴胜机械制造有限公司 | Belt type thin oil lubrication roller |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1402053A (en) * | 1919-04-07 | 1922-01-03 | Pyle National Co | Elastic-fluid turbine |
US2436939A (en) * | 1943-10-21 | 1948-03-02 | Hoover Co | Magnetic coupling and bearing |
CA530369A (en) * | 1953-02-24 | 1956-09-11 | E. Shafer Julius | Bearing mounting |
US3107310A (en) * | 1960-08-03 | 1963-10-15 | Const Mecanique | Magnetic coupling having a magnetic bearing |
FR1475765A (en) * | 1966-01-31 | 1967-04-07 | Snecma | Improvements to devices with vertical shaft rotating at high speed |
-
1970
- 1970-04-01 FR FR7011571A patent/FR2086525A5/fr not_active Expired
-
1971
- 1971-03-23 CH CH417271A patent/CH536940A/en not_active IP Right Cessation
- 1971-03-25 US US00127951A patent/US3749528A/en not_active Expired - Lifetime
- 1971-03-29 CA CA109,014A patent/CA947733A/en not_active Expired
- 1971-03-31 NL NL7104322.A patent/NL166100C/en not_active IP Right Cessation
- 1971-03-31 BE BE765041A patent/BE765041A/en not_active IP Right Cessation
- 1971-04-19 GB GB2500871*A patent/GB1304989A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL166100C (en) | 1981-06-15 |
CH536940A (en) | 1973-05-15 |
NL166100B (en) | 1981-01-15 |
BE765041A (en) | 1971-08-16 |
NL7104322A (en) | 1971-10-05 |
GB1304989A (en) | 1973-01-31 |
FR2086525A5 (en) | 1971-12-31 |
US3749528A (en) | 1973-07-31 |
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