SE378031B - - Google Patents
Info
- Publication number
- SE378031B SE378031B SE202472A SE202472A SE378031B SE 378031 B SE378031 B SE 378031B SE 202472 A SE202472 A SE 202472A SE 202472 A SE202472 A SE 202472A SE 378031 B SE378031 B SE 378031B
- Authority
- SE
- Sweden
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
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
- F04C2/1071—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712108083 DE2108083C3 (de) | 1971-02-19 | Verfahren zur Herstellung eines Rotors für eine Exzenterschneckenpumpe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE378031B true SE378031B (de) | 1975-08-11 |
Family
ID=5799306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE202472A SE378031B (de) | 1971-02-19 | 1972-02-18 |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT313711B (de) |
| FR (1) | FR2126030A5 (de) |
| GB (1) | GB1353292A (de) |
| SE (1) | SE378031B (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070011873A1 (en) * | 2005-07-14 | 2007-01-18 | Teale David W | Methods for producing even wall down-hole power sections |
| US8257633B2 (en) | 2007-04-27 | 2012-09-04 | Schlumberger Technology Corporation | Rotor of progressive cavity apparatus and method of forming |
-
1972
- 1972-02-11 GB GB657772A patent/GB1353292A/en not_active Expired
- 1972-02-14 AT AT117072A patent/AT313711B/de not_active IP Right Cessation
- 1972-02-18 FR FR7205599A patent/FR2126030A5/fr not_active Expired
- 1972-02-18 SE SE202472A patent/SE378031B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2108083B2 (de) | 1977-01-27 |
| DE2108083A1 (de) | 1972-08-31 |
| GB1353292A (en) | 1974-05-15 |
| FR2126030A5 (de) | 1972-09-29 |
| AT313711B (de) | 1974-02-25 |