FIELD: machine building.
SUBSTANCE: upper oil scraper is fitted in piston groove as well as mid oil scraper and lower oil scraper while expansion rings are arranged there between. Working surface of oil scrapers feature flat cylindrical part and skew towards piston stroke to TDC and has expansion rings arranged there between. Oil scrapers feature rectangular profile. Note here that said flat cylindrical surface of every underlying ring is larger than that of overlying ring. Minimum depth of hydrodynamic lubing ply is formed on cylinder wall.
EFFECT: minimised mechanical losses and motor oil wastes.
3 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| ICE PISTON SCRAPER RING | 2011 |
|
RU2447307C1 |
| OIL-REMOVING PISTON UNIT FOR INTERNAL-COMBUSTION ENGINE | 2016 |
|
RU2625419C1 |
| ICE OIL PISTON DEVICE | 2014 |
|
RU2561787C1 |
| OIL-REMOVING PISTON UNIT FOR INTERNAL-COMBUSTION ENGINE | 2016 |
|
RU2619001C1 |
| PISTON UNIT OF THE INTERNAL COMBUSTION ENGINE (VERSIONS) | 2016 |
|
RU2616687C1 |
| PISTON UNIT OF THE INTERNAL COMBUSTION ENGINE | 2016 |
|
RU2616686C1 |
| ICE OIL-SCRAPER RING | 2012 |
|
RU2499901C1 |
| OIL WIPER PISTON DEVICE FOR INTERNAL-COMBUSTION ENGINE | 2013 |
|
RU2535514C1 |
| PISTON SEAL OF INTERNAL COMBUSTION ENGINE | 2015 |
|
RU2582384C1 |
| PISTON ASSEMBLY | 0 |
|
SU1719689A1 |
