CPC F02F 1/20 (2013.01) [F01M 11/02 (2013.01); F02F 1/22 (2013.01)] | 7 Claims |
1. A method for preventing accumulation of cylinder oil at scavenging ports of a marine engine, comprising:
removing cylinder oil through a plurality of oil passages on a cylinder wall inside a cylinder;
wherein:
the cylinder comprises a plurality of scavenging ports spaced apart in a circumferential direction of the cylinder, and each oil passage comprises an oil storage groove disposed about an upper edge of a corresponding scavenging port;
the oil storage groove obliquely extends from an inner side of the cylinder wall towards an outside of the cylinder in a radial direction of the cylinder; and
two adjacent oil storage grooves are tangentially connected with each other at a connection point.
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