Cylinder device having improved wear resistance through optimal arrangement of fine textures
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United States of America Patent
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Sep 12, 2017
Grant Date -
Nov 27, 2014
app pub date -
Dec 17, 2012
filing date -
Dec 19, 2011
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Abstract
There is provided a cylinder device having optimal arrangement of fine textures and optimal surface roughness capable of reducing wear of a cylinder bore side and a piston ring by processing fine textures in an optimal selection region of the cylinder bore side to improve lubrication characteristics between the piston ring and the cylinder bore side while reducing engine oil consumption by processing surface roughness of the cylinder bore side to an optimal status.
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