TWO-COMPONENT OIL SCRAPER RING WITH RIBS EXERTING PRESSURE ON OIL Russian patent published in 2020 - IPC F16J9/20

Abstract RU 2727816 C2

FIELD: machine building.

SUBSTANCE: invention relates to a scraper ring, which comprises two ribs (3, 4) passing in a circle, the working surfaces of which have a bend outward, rib (3) facing the combustion chamber, has axial height (K), which is at least twice as high as axial height (S) of rib (4) facing the engine casing, wherein rib facing the combustion chamber has an asymmetric barrel.

EFFECT: invention improves control over the amount of oil contained in the system of piston rings, and thus reduces oil consumption while ensuring correct functioning of the set of rings.

4 cl, 1 dwg

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RU 2 727 816 C2

Authors

Mittler, Rikhard

Rukh, Fabian

Dates

2020-07-24—Published

2017-04-26—Filed