Piston skirt coating consisting of a low-friction running-in layer and a low-wear base layer
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United States of America Patent
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Feb 9, 2016
Grant Date -
Oct 17, 2013
app pub date -
Sep 23, 2011
filing date -
Oct 1, 2010
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Abstract
A piston for internal combustion engines has a skirt coating consisting of a wear resistant inner layer consisting of a polymer matrix having ceramic particles, aramide fibers and/or carbon fibers dispersed therein and an outer layer consisting of a polymer matrix having solid lubricants dispersed therein and an outer layer consisting of a polymer matrix having solid lubricants dispersed therein.
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