FR2203441A5 - - Google Patents
Info
- Publication number
- FR2203441A5 FR2203441A5 FR7236391A FR7236391A FR2203441A5 FR 2203441 A5 FR2203441 A5 FR 2203441A5 FR 7236391 A FR7236391 A FR 7236391A FR 7236391 A FR7236391 A FR 7236391A FR 2203441 A5 FR2203441 A5 FR 2203441A5
- Authority
- FR
- France
- 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
- 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
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/126—Rotary-piston machines or pumps 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 from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type
-
- 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
- F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
- F04C13/001—Pumps for particular liquids
-
- 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
- F04C15/0049—Equalization of pressure pulses
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18943271A | 1971-10-14 | 1971-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2203441A5 true FR2203441A5 (en) | 1974-05-10 |
Family
ID=22697303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7236391A Expired FR2203441A5 (en) | 1971-10-14 | 1972-10-13 |
Country Status (6)
| Country | Link |
|---|---|
| AU (1) | AU459524B2 (en) |
| BE (1) | BE790061A (en) |
| CA (1) | CA971424A (en) |
| FR (1) | FR2203441A5 (en) |
| GB (1) | GB1405955A (en) |
| SE (1) | SE389378B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4293290A (en) * | 1979-05-04 | 1981-10-06 | Crepaco, Inc. | Positive displacement rotary pump with bearings in countersunk portions of the rotors |
| IT8083478A0 (en) * | 1979-12-10 | 1980-12-09 | Mervyn Roy Marsh | HYDRAULIC DEVICE FUNCTIONING AS A ROTARY PUMP OR ROTARY SEAL ROTARY MOTOR. |
| US5318415A (en) * | 1992-10-02 | 1994-06-07 | Gramprotex Holdings Inc. | Grooved pump chamber walls for flushing fiber deposits |
| GB2571792B (en) * | 2018-03-09 | 2020-12-16 | Edwards Ltd | A vacuum pump with a pressure relief valve |
| CN108593031B (en) * | 2018-06-08 | 2024-12-27 | 陕西鑫联仪器仪表有限公司 | Rotor and positive displacement flowmeter including the same |
| WO2020245204A1 (en) * | 2019-06-06 | 2020-12-10 | Haarslev Industries A/S | Rotor and pump |
| EP3889431B1 (en) * | 2020-03-31 | 2023-12-20 | Alfa Laval Corporate AB | A rotary positive displacement pump |
-
0
- BE BE790061D patent/BE790061A/en unknown
-
1972
- 1972-09-29 AU AU47252/72A patent/AU459524B2/en not_active Expired
- 1972-10-12 GB GB4710672A patent/GB1405955A/en not_active Expired
- 1972-10-13 FR FR7236391A patent/FR2203441A5/fr not_active Expired
- 1972-10-13 SE SE1326572A patent/SE389378B/en unknown
- 1972-10-13 CA CA153,865A patent/CA971424A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE790061A (en) | 1973-02-01 |
| CA971424A (en) | 1975-07-22 |
| GB1405955A (en) | 1975-09-10 |
| AU459524B2 (en) | 1975-03-27 |
| DE2250347A1 (en) | 1973-04-19 |
| SE389378B (en) | 1976-11-01 |
| AU4725272A (en) | 1974-04-04 |
| DE2250347B2 (en) | 1977-03-03 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |