FR949960A - Improvements to blowers - Google Patents
Improvements to blowersInfo
- Publication number
- FR949960A FR949960A FR949960DA FR949960A FR 949960 A FR949960 A FR 949960A FR 949960D A FR949960D A FR 949960DA FR 949960 A FR949960 A FR 949960A
- Authority
- FR
- France
- Prior art keywords
- blowers
- 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
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/123—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially or approximately radially from the rotor body extending tooth-like elements, co-operating with recesses in the other rotor, e.g. one tooth
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR949960T | 1947-07-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR949960A true FR949960A (en) | 1949-09-14 |
Family
ID=9474820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR949960D Expired FR949960A (en) | 1947-07-23 | 1947-07-23 | Improvements to blowers |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH293767A (en) |
DE (1) | DE819442C (en) |
FR (1) | FR949960A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1026036B (en) * | 1954-10-28 | 1958-03-13 | Heraeus Gmbh W C | Cooling of a mechanical high vacuum blower pump based on the Roots principle |
DE1021530B (en) * | 1955-01-17 | 1957-12-27 | Leybolds Nachfolger E | Rotary piston blower |
-
1947
- 1947-07-23 FR FR949960D patent/FR949960A/en not_active Expired
-
1948
- 1948-02-27 CH CH293767D patent/CH293767A/en unknown
-
1950
- 1950-03-07 DE DEC624A patent/DE819442C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE819442C (en) | 1951-10-31 |
CH293767A (en) | 1953-10-15 |
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