FIELD: mechanical engineering. SUBSTANCE: one of contact rings of face seal is fixed in pump casing, and the other ring is movable and screwed with a clearance fit into internal bore of driving disc of impeller with direction of thread coinciding with direction of impeller rotation. Rings are made of antifriction material. EFFECT: simplified design, higher reliability and prolonged service life. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| FACE SEAL FOR WORKING WHEEL OF CENTRIFUGAL PUMP | 2005 |
|
RU2289041C1 |
| SUBMERSIBLE MULTISTAGE CENTRIFUGAL PUMP | 2001 |
|
RU2208709C2 |
| SEAL FOR REVOLVING PARTS OF CENTRIFUGAL PUMP | 2001 |
|
RU2191296C1 |
| ROTARY MACHINE | 1999 |
|
RU2177063C2 |
| SUBMERGED-TYPE CENTRIFUGAL PUMPING UNIT | 1997 |
|
RU2136971C1 |
| SELF-ADJUSTING SEALING OF ROTATING PARTS OF VOLUTE CENTRIFUGAL PUMP | 2000 |
|
RU2176036C1 |
| SLIDING BEARING | 1997 |
|
RU2129677C1 |
| ROTARY MACHINE | 1999 |
|
RU2162523C1 |
| IMMERSION CENTRIFUGAL PUMP UNIT | 2000 |
|
RU2178837C1 |
| ROTARY MACHINE | 2002 |
|
RU2211336C1 |
