发明授权
US08037860B2 Cylinder liner and engine 有权
缸套和发动机

Cylinder liner and engine
摘要:
A cylinder liner has an upper portion and a lower portion with respect to an axial direction of the cylinder liner. A high thermal conductive film is provided on an outer circumferential surface of the upper portion. A low thermal conductive film is provided on an outer circumferential surface of the lower portion. The cylinder liner reduces temperature difference of a cylinder along its axial direction.
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