FR1475765A - Improvements to devices with vertical shaft rotating at high speed - Google Patents
Improvements to devices with vertical shaft rotating at high speedInfo
- Publication number
- FR1475765A FR1475765A FR47849A FR47849A FR1475765A FR 1475765 A FR1475765 A FR 1475765A FR 47849 A FR47849 A FR 47849A FR 47849 A FR47849 A FR 47849A FR 1475765 A FR1475765 A FR 1475765A
- Authority
- FR
- France
- Prior art keywords
- devices
- high speed
- vertical shaft
- shaft rotating
- rotating
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR47849A FR1475765A (en) | 1966-01-31 | 1966-01-31 | Improvements to devices with vertical shaft rotating at high speed |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR47849A FR1475765A (en) | 1966-01-31 | 1966-01-31 | Improvements to devices with vertical shaft rotating at high speed |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1475765A true FR1475765A (en) | 1967-04-07 |
Family
ID=8600174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR47849A Expired FR1475765A (en) | 1966-01-31 | 1966-01-31 | Improvements to devices with vertical shaft rotating at high speed |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1475765A (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7112176U (en) | 1971-07-08 | Soc Nationale D Etude Et De Construction De Moteurs D Av | Turbomolecular vacuum pump | |
US3749528A (en) * | 1970-04-01 | 1973-07-31 | Snecma | Vacuum pumps |
DE2309665A1 (en) * | 1973-02-27 | 1974-09-05 | Leybold Heraeus Gmbh & Co Kg | TURBOMOLECULAR VACUUM PUMP |
DE2349033A1 (en) * | 1973-09-29 | 1975-04-10 | Leybold Heraeus Gmbh & Co Kg | TURBOMOLECULAR PUMP |
NL7702017A (en) * | 1977-02-25 | 1978-08-29 | Ultra Centrifuge Nederland Nv | MOLECULAR PUMP RESP. GAS-TIGHT TRANSIT FOR A BODY ROTATING FAST IN A HOUSE. |
FR2534980A1 (en) * | 1982-10-23 | 1984-04-27 | Pfeiffer Vakuumtechnik | MAGNETICALLY MOUNTED MOLECULAR TURBOPPUMP WITH VIBRATION DAMPING |
FR2551075A1 (en) * | 1982-03-04 | 1985-03-01 | Ppg Industries Inc | Coating composition containing organosilanepolyol and capable of being diluted with water |
US4609332A (en) * | 1982-11-19 | 1986-09-02 | Seiko Seiki Kabushiki Kaisha | Turbo-molecular pump |
DE3716221A1 (en) * | 1986-05-16 | 1987-11-26 | Japan Atomic Energy Res Inst | Turbomolecular pump |
US4768921A (en) * | 1983-03-16 | 1988-09-06 | Hitachi, Ltd. | Turbomolecular vacuum pump |
DE4110788A1 (en) * | 1991-04-04 | 1992-10-15 | Forschungszentrum Juelich Gmbh | Permanent magnetic support for inertial mass held contactless by stator - involves permanent magnet bearings in at least three force transmission points supporting three rotary and two translatory degrees of movement |
FR2683277A1 (en) * | 1991-11-04 | 1993-05-07 | Cit Alcatel | ADJUSTABLE THICKNESS SPACER. |
EP1559914A1 (en) * | 2004-01-29 | 2005-08-03 | Pfeiffer Vacuum GmbH | Gas friction pump |
-
1966
- 1966-01-31 FR FR47849A patent/FR1475765A/en not_active Expired
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7112176U (en) | 1971-07-08 | Soc Nationale D Etude Et De Construction De Moteurs D Av | Turbomolecular vacuum pump | |
US3749528A (en) * | 1970-04-01 | 1973-07-31 | Snecma | Vacuum pumps |
DE2309665A1 (en) * | 1973-02-27 | 1974-09-05 | Leybold Heraeus Gmbh & Co Kg | TURBOMOLECULAR VACUUM PUMP |
DE2349033A1 (en) * | 1973-09-29 | 1975-04-10 | Leybold Heraeus Gmbh & Co Kg | TURBOMOLECULAR PUMP |
NL7702017A (en) * | 1977-02-25 | 1978-08-29 | Ultra Centrifuge Nederland Nv | MOLECULAR PUMP RESP. GAS-TIGHT TRANSIT FOR A BODY ROTATING FAST IN A HOUSE. |
FR2551075A1 (en) * | 1982-03-04 | 1985-03-01 | Ppg Industries Inc | Coating composition containing organosilanepolyol and capable of being diluted with water |
FR2534980A1 (en) * | 1982-10-23 | 1984-04-27 | Pfeiffer Vakuumtechnik | MAGNETICALLY MOUNTED MOLECULAR TURBOPPUMP WITH VIBRATION DAMPING |
US4609332A (en) * | 1982-11-19 | 1986-09-02 | Seiko Seiki Kabushiki Kaisha | Turbo-molecular pump |
US4768921A (en) * | 1983-03-16 | 1988-09-06 | Hitachi, Ltd. | Turbomolecular vacuum pump |
DE3716221A1 (en) * | 1986-05-16 | 1987-11-26 | Japan Atomic Energy Res Inst | Turbomolecular pump |
DE4110788A1 (en) * | 1991-04-04 | 1992-10-15 | Forschungszentrum Juelich Gmbh | Permanent magnetic support for inertial mass held contactless by stator - involves permanent magnet bearings in at least three force transmission points supporting three rotary and two translatory degrees of movement |
FR2683277A1 (en) * | 1991-11-04 | 1993-05-07 | Cit Alcatel | ADJUSTABLE THICKNESS SPACER. |
EP0540970A1 (en) * | 1991-11-04 | 1993-05-12 | Alcatel Cit | Spacer element with adjustable thickness |
EP1559914A1 (en) * | 2004-01-29 | 2005-08-03 | Pfeiffer Vacuum GmbH | Gas friction pump |
US7059828B2 (en) | 2004-01-29 | 2006-06-13 | Pfeiffer Vacuum Gmbh | Gas friction pump |
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