FR974314A - Perfectionnements aux pompes à vis - Google Patents
Perfectionnements aux pompes à visInfo
- Publication number
- FR974314A FR974314A FR974314DA FR974314A FR 974314 A FR974314 A FR 974314A FR 974314D A FR974314D A FR 974314DA FR 974314 A FR974314 A FR 974314A
- Authority
- FR
- France
- Prior art keywords
- screw pumps
- pumps
- screw
- 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
- 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
- F04C18/14—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 toothed rotary pistons
- F04C18/16—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 toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
- F04C18/165—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 toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type having more than two rotary pistons with parallel axes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/10—Outer members for co-operation with rotary pistons; Casings
-
- 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
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0042—Systems for the equilibration of forces acting on the machines or pump
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE974314X | 1948-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR974314A true FR974314A (fr) | 1951-02-21 |
Family
ID=20409711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR974314D Expired FR974314A (fr) | 1948-05-10 | 1948-10-26 | Perfectionnements aux pompes à vis |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR974314A (fr) |
-
1948
- 1948-10-26 FR FR974314D patent/FR974314A/fr not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR1007140A (fr) | Perfectionnements aux turbo-moteurs | |
| FR1008781A (fr) | Vis à bois | |
| FR976791A (fr) | Perfectionnements aux compresseurs axiaux | |
| FR974314A (fr) | Perfectionnements aux pompes à vis | |
| FR976737A (fr) | Perfectionnements aux pompes à piston | |
| FR985270A (fr) | Perfectionnements aux compresseurs portatifs | |
| FR58670E (fr) | Perfectionnement aux pompes | |
| FR979610A (fr) | Perfectionnements aux presses à agglomérer | |
| FR968684A (fr) | Perfectionnements aux étaux | |
| FR1007807A (fr) | Perfectionnements aux pompes et aux régulateurs | |
| FR1009778A (fr) | Pompe à vis équilibrées | |
| FR978190A (fr) | Perfectionnements aux compresseurs rotatifs | |
| FR977345A (fr) | Perfectionnements aux pompes rotatives | |
| FR970748A (fr) | Perfectionnements apportés aux pompes à rotor hélicoïdal | |
| FR977217A (fr) | Perfectionnements aux planches à dessins | |
| FR994236A (fr) | Perfectionnements aux pompes à fluides | |
| FR977314A (fr) | Perfectionnements aux pompes à palettes | |
| FR991915A (fr) | Perfectionnements apportés aux pompes à ailettes | |
| FR981588A (fr) | Perfectionnements apportés aux appareils à dessiner | |
| FR978081A (fr) | Perfectionnements aux presses à agglomérer | |
| FR971441A (fr) | Perfectionnements apportés aux pinces universelles à serrage parallèle | |
| FR983881A (fr) | Perfectionnements aux compresseurs | |
| FR973107A (fr) | Perfectionnements aux pompes | |
| FR970175A (fr) | Perfectionnements aux turbo-moteurs | |
| FR58801E (fr) | Perfectionnements aux pompes et aux régulateurs |