FR396954A - Air pump - Google Patents
Air pumpInfo
- Publication number
- FR396954A FR396954A FR396954DA FR396954A FR 396954 A FR396954 A FR 396954A FR 396954D A FR396954D A FR 396954DA FR 396954 A FR396954 A FR 396954A
- Authority
- FR
- France
- Prior art keywords
- air pump
- pump
- air
- 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
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
- F04B37/16—Means for nullifying unswept space
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK396954X | 1907-12-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR396954A true FR396954A (en) | 1909-04-26 |
Family
ID=1442055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR396954D Expired FR396954A (en) | 1907-12-02 | 1908-12-01 | Air pump |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR396954A (en) |
-
1908
- 1908-12-01 FR FR396954D patent/FR396954A/en not_active Expired
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