Internal combustion engine piston with cooling channel said piston comprising a sealing element sealing the cooling channel
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United States of America Patent
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Jan 6, 2015
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N/A
app pub date -
Sep 15, 2009
filing date -
Nov 4, 2008
priority date (Note) -
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Abstract
A cooling channel piston has a radially circumferential cooling channel located behind a ring field. The cooling channel piston is forged from a steel material and the cooling channel is worked in by machining between an upper part below the ring field and a lower part above the piston bosses and the piston skirts. The cooling channel extends behind the ring field in the direction of an upper face of the upper part, it being provided that the cooling channel piston has above its piston bosses and piston skirts an outwardly oriented support region. A closing element, which closes the cooling channel after the production thereof, is fastened between the lower edge of the ring field and the support region.
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