CA939640A - Vertical turbomolecular pumps - Google Patents
Vertical turbomolecular pumpsInfo
- Publication number
- CA939640A CA939640A CA109,015A CA109015A CA939640A CA 939640 A CA939640 A CA 939640A CA 109015 A CA109015 A CA 109015A CA 939640 A CA939640 A CA 939640A
- Authority
- CA
- Canada
- Prior art keywords
- turbomolecular pumps
- vertical
- vertical turbomolecular
- pumps
- turbomolecular
- 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
- F16C39/00—Relieving load on bearings
- F16C39/06—Relieving load on bearings using magnetic means
- F16C39/063—Permanent magnets
-
- 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
- F16C2360/00—Engines or pumps
- F16C2360/44—Centrifugal pumps
- F16C2360/45—Turbo-molecular pumps
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Positive Displacement Air Blowers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7011572A FR2086526A5 (en) | 1970-04-01 | 1970-04-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA939640A true CA939640A (en) | 1974-01-08 |
Family
ID=9053186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA109,015A Expired CA939640A (en) | 1970-04-01 | 1971-03-29 | Vertical turbomolecular pumps |
Country Status (8)
Country | Link |
---|---|
US (1) | US3771909A (en) |
BE (1) | BE765042A (en) |
CA (1) | CA939640A (en) |
CH (1) | CH529297A (en) |
DE (1) | DE7112177U (en) |
FR (1) | FR2086526A5 (en) |
GB (1) | GB1297740A (en) |
NL (1) | NL165815C (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2337226A1 (en) * | 1973-07-21 | 1975-02-06 | Maschf Augsburg Nuernberg Ag | VACUUM PUMP WITH A RUNNER MOUNTED INSIDE THEIR HOUSING |
DE2457783C2 (en) * | 1974-12-06 | 1986-10-09 | Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar | Magnetic storage |
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 |
DE2711065C3 (en) * | 1977-03-14 | 1982-05-19 | Gesellschaft für Kernverfahrenstechnik mbH, 5170 Jülich | Radially damped backup bearing for supercritically running rotors |
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 |
US4674952A (en) * | 1983-10-07 | 1987-06-23 | Sargent-Welch Scientific Company | Turbo molecular pump with improved bearing assembly |
DE9013672U1 (en) * | 1990-09-29 | 1992-01-30 | Leybold AG, 6450 Hanau | Stator for a turbomolecular vacuum pump |
US5698916A (en) * | 1994-11-30 | 1997-12-16 | Nikkiso Co., Ltd. | Slender motor for canned motor pump |
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 |
DE102009039120A1 (en) * | 2009-08-28 | 2011-03-03 | Pfeiffer Vacuum Gmbh | vacuum pump |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1402053A (en) * | 1919-04-07 | 1922-01-03 | Pyle National Co | Elastic-fluid turbine |
US3107310A (en) * | 1960-08-03 | 1963-10-15 | Const Mecanique | Magnetic coupling having a magnetic bearing |
-
1970
- 1970-04-01 FR FR7011572A patent/FR2086526A5/fr not_active Expired
-
1971
- 1971-03-22 CH CH417371A patent/CH529297A/en not_active IP Right Cessation
- 1971-03-25 US US00128073A patent/US3771909A/en not_active Expired - Lifetime
- 1971-03-29 CA CA109,015A patent/CA939640A/en not_active Expired
- 1971-03-30 DE DE19717112177U patent/DE7112177U/en not_active Expired
- 1971-03-31 BE BE765042A patent/BE765042A/en not_active IP Right Cessation
- 1971-03-31 NL NL7104278.A patent/NL165815C/en not_active IP Right Cessation
- 1971-04-19 GB GB1297740D patent/GB1297740A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE765042A (en) | 1971-08-16 |
NL165815C (en) | 1981-05-15 |
NL165815B (en) | 1980-12-15 |
DE7112177U (en) | 1971-07-15 |
NL7104278A (en) | 1971-10-05 |
GB1297740A (en) | 1972-11-29 |
US3771909A (en) | 1973-11-13 |
CH529297A (en) | 1972-10-15 |
FR2086526A5 (en) | 1971-12-31 |
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