OIL-REMOVING PISTON UNIT FOR INTERNAL-COMBUSTION ENGINE Russian patent published in 2017 - IPC F02F5/00 

Abstract RU 2619001 C1

FIELD: machine engineering.

SUBSTANCE: oil-removing piston device contains cylinder (1), the piston (2), scraper rings (3), (4), (5) and ferrule (6), which eliminates the breakthrough of engine oil in the near-bottom grooves and piston cavity next to the zone of high operating temperatures. If there are holes in the piston (7) reporting near-bottom cavity of the piston grooves from the inside cavity of the piston (2) ferrule (6) overlaps the oil leak from the inner cavity of the piston (2) on the quantum "inlet".

EFFECT: reducing the oil leakage into the cylinder, a decrease in oil consumption through burning, improved environmental performance of the engine.

2 cl, 2 dwg

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RU 2 619 001 C1

Authors

Druzhinin Anatolij Matveevich

Gureev Viktor Mikhajlovich

Dates

2017-05-11Published

2016-07-04Filed