FIELD: engines and pumps.
SUBSTANCE: invention relates to pump intended for pumping of effluents with solid particles. Pump incorporates encase impeller (8). Said impeller (8) is sealed relative to pump housing fixed part. Said seal comprises O-ring (24) arranged on the side of impeller (8) to engage with second O-ring (26) on the side of said housing. To discharge solid particles from impeller (8) O-ring (26) on the side of housing has at least one recess (28).
EFFECT: decreased noise, seal protected against solid particles.
11 cl, 6 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| LIQUID TRANSFER PUMP AND THE IMPELLER ASSEMBLY | 2014 |
|
RU2661918C2 |
| ROTARY PUMP IMPELLER SEAL | 2009 |
|
RU2474730C2 |
| SEWAGE PUMP | 2017 |
|
RU2680903C1 |
| CENTRIFUGAL PUMP WITH HOUSING | 2019 |
|
RU2707238C1 |
| DEVICE AND METHOD OF TRANSMISSION, AS MINIMUM, OF TWO FLUIDS | 2004 |
|
RU2324853C2 |
| PERFECTED SEAL OF ELECTRICALLY DRIVEN BOREHOLE PUMP | 2009 |
|
RU2524590C2 |
| PUMPING AND GRINDING DEVICE, METHOD FOR GRINDING AND HEATING INCOMING MATERIAL AND THEIR APPLICATION | 2018 |
|
RU2764142C2 |
| GEAR PUMP | 2011 |
|
RU2530692C2 |
| CENTRIFUGAL PUMP STAGE, CENTRIFUGAL PUMP AND USE OF PUMP STAGE | 2014 |
|
RU2662848C2 |
| AIR DISTRIBUTING SYSTEM FOR INDUSTRIAL PUMPS | 2006 |
|
RU2386053C2 |
