FR797437A - Vacuum pump improvements - Google Patents
Vacuum pump improvementsInfo
- Publication number
- FR797437A FR797437A FR797437DA FR797437A FR 797437 A FR797437 A FR 797437A FR 797437D A FR797437D A FR 797437DA FR 797437 A FR797437 A FR 797437A
- Authority
- FR
- France
- Prior art keywords
- vacuum pump
- pump improvements
- vacuum
- pump
- 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
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F9/00—Diffusion pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB797437X | 1934-11-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR797437A true FR797437A (en) | 1936-04-27 |
Family
ID=10510275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR797437D Expired FR797437A (en) | 1934-11-09 | 1935-11-09 | Vacuum pump improvements |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR797437A (en) |
-
1935
- 1935-11-09 FR FR797437D patent/FR797437A/en not_active Expired
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