PISTON RING WITH VARIABLE SURFACE LINE, WHICH CONTAINS THE HIGHEST POINT Russian patent published in 2017 - IPC F16J9/20

Abstract RU 2613793 C2

FIELD: machine building.

SUBSTANCE: invention relates to the piston ring (1), which has an outer working surface (3), two lateral sides (5, 6) and an inner circumferential surface (7). The working surface (3) is profiled. Profile of the working surface is substantially spherically convex and has a highest point (B1). The axial position of the highest point (B1) is changed periodically in a circumferential direction.

EFFECT: invention provides carrier mirror lubricating oil, evenly distributed over the circumferential surface of the piston.

7 cl, 7 dwg

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RU 2 613 793 C2

Authors

Mitler Rikhard

Natem Frank

Dates

2017-03-21—Published

2013-09-23—Filed