Sliding members and piston for internal combustion engine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Feb 25, 2003
Grant Date -
N/A
app pub date -
May 3, 2001
filing date -
Jul 5, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A sliding surface of at least one of sliding members sliding with respect to each other in a sliding direction comprises a protrusion extending along a direction intersecting the sliding direction and fine dimples provided on a surface of the protrusion. In the sliding members, lubricating oil is accumulated in the dimples, and is easily extracted through a drain portion formed by dimple in a running-in operation.
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Cited Art Landscape
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