FIELD: engines and pumps.
SUBSTANCE: piston groove 8 accommodates top ring 3 and bottom ring 4. Note here that top edge of top ring 3 is located to acute angle to its bottom edge while ring larger horizontal side face the axis of cylinder 1. Oil scraper extra ring 5 is arranged under bottom ring 4. Extra ring bottom face is located to acute angle to top face. Larger vertical side of ring 5 faces the wall of cylinder 5 while clearance is arranged between top ring outer cylindrical surface and cylinder wall. Extra ring bottom face inclination is smaller than that of top ring top face. Groove is made under extra ring bottom face to communicate via grooves with piston inner space.
EFFECT: higher efficiency and engine output, reduced consumption of fuel and oil.
3 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| INTERNAL COMBUSTION ENGINE PISTON SEAL | 2007 |
|
RU2381375C2 |
| PISTON SEAL OF INTERNAL COMBUSTION ENGINE | 2014 |
|
RU2576405C1 |
| PISTON SEALING FOR INTERNAL COMBUSTION ENGINE | 2007 |
|
RU2372506C2 |
| ICE PISTON SEAL | 2013 |
|
RU2535598C1 |
| PISTON SEAL FOR INTERNAL COMBUSTION ENGINE | 2009 |
|
RU2412367C1 |
| PISTON SEAL OF INTERNAL COMBUSTION ENGINE | 2015 |
|
RU2582384C1 |
| PISTON UNITS OF INTERNAL COMBUSTION ENGINE (VERSIONS) | 2015 |
|
RU2613478C1 |
| PISTON SEAL OF INTERNAL COMBUSTION ENGINE | 2015 |
|
RU2582538C1 |
| PISTON SEALING FOR INTERNAL COMBUSTION ENGINE (VERSIONS) | 2008 |
|
RU2372507C1 |
| PISTON SEALING FOR INTERNAL COMBUSTION ENGINE (VERSIONS) | 2008 |
|
RU2389893C1 |
