FR2305617B1 - - Google Patents
Info
- Publication number
- FR2305617B1 FR2305617B1 FR7604590A FR7604590A FR2305617B1 FR 2305617 B1 FR2305617 B1 FR 2305617B1 FR 7604590 A FR7604590 A FR 7604590A FR 7604590 A FR7604590 A FR 7604590A FR 2305617 B1 FR2305617 B1 FR 2305617B1
- Authority
- FR
- France
- 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
- F04D19/042—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
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—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
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/102—Shaft sealings especially adapted for elastic fluid pumps
- F04D29/104—Shaft sealings especially adapted for elastic fluid pumps the sealing fluid being other than the working fluid or being the working fluid treated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/60—Shafts
- F05D2240/61—Hollow
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 |
---|---|---|---|
DE2512828A DE2512828C3 (de) | 1975-03-22 | 1975-03-22 | Turbomolekularpumpe |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2305617A1 FR2305617A1 (fr) | 1976-10-22 |
FR2305617B1 true FR2305617B1 (fr) | 1981-10-09 |
Family
ID=5942225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7604590A Granted FR2305617A1 (fr) | 1975-03-22 | 1976-02-19 | Turbopompe moleculaire |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS51116415A (fr) |
CH (1) | CH613259A5 (fr) |
DE (1) | DE2512828C3 (fr) |
FR (1) | FR2305617A1 (fr) |
GB (1) | GB1537123A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6172896A (ja) * | 1984-09-17 | 1986-04-14 | Japan Atom Energy Res Inst | 高速回転ポンプ |
WO1994007033A1 (fr) * | 1992-09-23 | 1994-03-31 | United States Of America As Represented By The Secretary Of The Air Force | Soufflante turbomoleculaire |
DE29715035U1 (de) * | 1997-08-22 | 1997-10-30 | Leybold Vakuum GmbH, 50968 Köln | Reibungsvakuumpumpe |
DE102008036623A1 (de) * | 2008-08-06 | 2010-02-11 | Oerlikon Leybold Vacuum Gmbh | Verwendung eines Wälzlagers zur Lagerung rotierender Bauteile in Vakuumeinirchtungen sowie Vakuumeinrichtung |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH344128A (de) * | 1955-11-05 | 1960-01-31 | Sulzer Ag | Aus Turbine und von ihr angetriebenem, elektrischem Generator bestehende Maschinengruppe |
US3074348A (en) * | 1959-02-17 | 1963-01-22 | Atomic Energy Authority Uk | Centrifugal pumps |
BE790969A (fr) * | 1971-11-16 | 1973-05-07 | Cit Alcatel | Pivot pour pompes moleculaires rotatives |
-
1975
- 1975-03-22 DE DE2512828A patent/DE2512828C3/de not_active Expired
-
1976
- 1976-02-05 CH CH143876A patent/CH613259A5/xx not_active IP Right Cessation
- 1976-02-19 FR FR7604590A patent/FR2305617A1/fr active Granted
- 1976-03-19 GB GB11264/76A patent/GB1537123A/en not_active Expired
- 1976-03-22 JP JP51030018A patent/JPS51116415A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2512828C3 (de) | 1978-11-16 |
JPS51116415A (en) | 1976-10-13 |
DE2512828A1 (de) | 1976-09-30 |
DE2512828B2 (de) | 1978-03-23 |
CH613259A5 (en) | 1979-09-14 |
GB1537123A (en) | 1978-12-29 |
FR2305617A1 (fr) | 1976-10-22 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |