FR2074450A5 - - Google Patents
Info
- Publication number
- FR2074450A5 FR2074450A5 FR7047199A FR7047199A FR2074450A5 FR 2074450 A5 FR2074450 A5 FR 2074450A5 FR 7047199 A FR7047199 A FR 7047199A FR 7047199 A FR7047199 A FR 7047199A FR 2074450 A5 FR2074450 A5 FR 2074450A5
- 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
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid 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
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/542—Bladed diffusers
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/542—Bladed diffusers
- F04D29/544—Blade shapes
-
- 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
- F05D2230/00—Manufacture
- F05D2230/50—Building or constructing in particular ways
- F05D2230/54—Building or constructing in particular ways by sheet metal manufacturing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Non-Positive Displacement Air Blowers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH540470A CH499019A (de) | 1970-04-10 | 1970-04-10 | Scheibe für eine Turbomolekular-Vakuumpumpe |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2074450A5 true FR2074450A5 (fr) | 1971-10-01 |
Family
ID=4293012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7047199A Expired FR2074450A5 (fr) | 1970-04-10 | 1970-12-30 |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH499019A (fr) |
DE (1) | DE2050555C3 (fr) |
FR (1) | FR2074450A5 (fr) |
GB (1) | GB1275386A (fr) |
NL (1) | NL141612B (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3507274A1 (de) * | 1985-03-01 | 1986-09-04 | Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar | Scheiben mit schaufeln hoher stabilitaet fuer turbomolekularpumpen |
DE10052637B4 (de) * | 2000-10-24 | 2021-03-11 | Pfeiffer Vacuum Gmbh | 16.02.2001 Scheiben für eine Turbomolekularpumpe |
JP6241222B2 (ja) * | 2013-01-22 | 2017-12-06 | 株式会社島津製作所 | 真空ポンプ |
DE102013213256A1 (de) * | 2013-07-05 | 2015-01-08 | Oerlikon Leybold Vacuum Gmbh | Statorscheibe |
EP3034880B1 (fr) * | 2014-12-15 | 2019-10-16 | Pfeiffer Vacuum Gmbh | Rotor pour une pompe à vide et son procédé de fabrication |
-
1970
- 1970-04-10 CH CH540470A patent/CH499019A/de not_active IP Right Cessation
- 1970-07-08 NL NL707010096A patent/NL141612B/xx unknown
- 1970-10-15 DE DE2050555A patent/DE2050555C3/de not_active Expired
- 1970-12-30 FR FR7047199A patent/FR2074450A5/fr not_active Expired
-
1971
- 1971-01-18 GB GB2434/71A patent/GB1275386A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2050555A1 (de) | 1971-10-28 |
NL141612B (nl) | 1974-03-15 |
CH499019A (de) | 1970-11-15 |
DE2050555B2 (de) | 1973-08-09 |
NL7010096A (fr) | 1971-10-12 |
DE2050555C3 (de) | 1974-03-14 |
GB1275386A (en) | 1972-05-24 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |