Sliding structure for a reciprocating internal combustion engine and a reciprocating internal combustion engine using the sliding structure
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United States of America Patent
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May 25, 2004
Grant Date -
Jul 11, 2002
app pub date -
Nov 9, 2001
filing date -
Nov 20, 2000
priority date (Note) -
In Force
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Abstract
A sliding structure for a reciprocating internal combustion engine, including sliding elements relatively slidable via lubricating oil therebetween, the sliding elements including sliding surfaces opposed to each other and lubricated with a laminar flow of the lubricating oil. The sliding surfaces each have base surfaces and microscopic dimples or grooves which are so constructed as to prevent reduction of flow resistance to the lubricating oil passing through a clearance between the sliding surfaces and assure a lubricating oil film thickness required for reducing friction loss between the sliding elements.
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