NL139579B - DISC FOR A PUMP. - Google Patents
DISC FOR A PUMP.Info
- Publication number
- NL139579B NL139579B NL281280A NL281280A NL139579B NL 139579 B NL139579 B NL 139579B NL 281280 A NL281280 A NL 281280A NL 281280 A NL281280 A NL 281280A NL 139579 B NL139579 B NL 139579B
- Authority
- NL
- Netherlands
- Prior art keywords
- disc
- pump
- Prior art date
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
- F04D29/26—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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Non-Positive Displacement Air Blowers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR870094A FR1306013A (en) | 1961-08-04 | 1961-08-04 | Turbomolecular Vacuum Pumps Improvements |
Publications (1)
Publication Number | Publication Date |
---|---|
NL139579B true NL139579B (en) | 1973-08-15 |
Family
ID=8760781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL281280A NL139579B (en) | 1961-08-04 | 1962-07-23 | DISC FOR A PUMP. |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE619945A (en) |
CH (1) | CH410263A (en) |
DE (1) | DE1428238B2 (en) |
FR (1) | FR1306013A (en) |
GB (1) | GB1019272A (en) |
LU (1) | LU42061A1 (en) |
NL (1) | NL139579B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3507274A1 (en) * | 1985-03-01 | 1986-09-04 | Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar | DISC WITH SHOVELS HIGH STABILITY FOR TURBOMOLECULAR PUMPS |
JPH1089284A (en) * | 1996-09-12 | 1998-04-07 | Seiko Seiki Co Ltd | Turbo-molecular pump |
JP3047292B1 (en) | 1998-11-24 | 2000-05-29 | セイコー精機株式会社 | Turbo molecular pump and vacuum device |
DE10103230A1 (en) | 2001-01-25 | 2002-08-01 | Leybold Vakuum Gmbh | Turbomolecular vacuum pump with rotor and stator blades |
DE102007006915A1 (en) * | 2007-02-13 | 2008-08-14 | Oerlikon Leybold Vacuum Gmbh | Turbo-molecular pump rotor element, has reinforcement element connecting parts of pinions with each other and providing improved distribution of loads during operation of rotor element |
-
1961
- 1961-08-04 FR FR870094A patent/FR1306013A/en not_active Expired
-
1962
- 1962-07-09 BE BE619945A patent/BE619945A/en unknown
- 1962-07-12 CH CH838462A patent/CH410263A/en unknown
- 1962-07-14 LU LU42061D patent/LU42061A1/xx unknown
- 1962-07-23 NL NL281280A patent/NL139579B/en not_active IP Right Cessation
- 1962-08-01 DE DE19621428238 patent/DE1428238B2/en active Pending
- 1962-08-02 GB GB2968962A patent/GB1019272A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1428238A1 (en) | 1969-08-07 |
LU42061A1 (en) | 1962-09-14 |
FR1306013A (en) | 1962-10-13 |
DE1428238B2 (en) | 1971-11-25 |
BE619945A (en) | 1963-01-09 |
CH410263A (en) | 1966-03-31 |
GB1019272A (en) | 1966-02-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: AVIATION |
|
V4 | Lapsed because of reaching the maxim lifetime of a patent |