FIELD: engines and pumps.
SUBSTANCE: invention relates to machine building, to oil well pumps, and can be used in the oil industry. Oil well pump comprises a cylinder with a suction valve, an inlet screen configured coaxially to the cylinder in the form of a perforated cylindrical shank. Shank is telescopically connected to the cylinder and made with the possibility of axial displacement limited by the cylinder stopper. Perforated shank is provided with a central stem, adapted to interact with the suction valve.
EFFECT: simplified design.
3 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| OIL WELL PUMP | 2017 |
|
RU2681021C1 |
| DOWNHOLE PUMP WITH INTAKE FILTER | 2017 |
|
RU2691362C2 |
| WELL PUMPING UNIT WITH SELF-CLEANING INTAKE FILTER | 2023 |
|
RU2816643C1 |
| SUBMERSIBLE BOREHOLE PUMP WITH INLET SCREEN | 2017 |
|
RU2671884C1 |
| WELL SUCKER-ROD PUMP | 0 |
|
SU1816895A1 |
| DIFFERENTIAL SUCKER-ROD PUMP | 2005 |
|
RU2273767C1 |
| OIL-WELL SUCKER-ROD PUMP | 2006 |
|
RU2321772C1 |
| GAS SEPARATOR OF INSERT OIL-WELL PUMP | 2006 |
|
RU2312985C1 |
| ROD PUMPING UNIT FOR DOWNHOLE LOCAL WATER PUMPING | 2007 |
|
RU2354848C1 |
| INSERT OIL-WELL SUCKER-ROD PUMP | 2001 |
|
RU2187701C1 |
