Patent ID: 9169776
Filing Date: 2015-10-27
Classification: F01M,F02B,F02F

Abstract:
1. A cylinder liner capable of oil storage and lubrication used for a model engine, the cylinder liner being disposed in a cylinder of the model engine, a piston being provided in the cylinder liner to reciprocate axially, an inner wall of the cylinder liner being honed to form a plurality of grooves, the grooves formed on the inner wall of the cylinder liner each having a depth in the range of 0.001 to 0.002 centimeters, and characterized in that: the inner wall of the cylinder liner is further formed with at least one grooved trough, the grooved trough formed on the inner wall of the cylinder liner has a depth greater than the depth of the grooves, the depth of the grooved trough is in the range of 0.005 to 0.007 centimeters, and a bottom of the grooved trough is formed with a plurality of transverse stripes, such that the bottom of the grooved trough is ragged.