Cooling channel having dam and funnel
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United States of America Patent
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Jul 6, 2021
Grant Date -
Oct 24, 2019
app pub date -
Dec 19, 2017
filing date -
Dec 19, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A piston for an internal combustion engine includes a piston upper part and a piston lower part having a cooling channel including at least one inlet opening. A dam-type elevation is formed in the region of the at least one inlet opening through forging of the dam elevation in the cooling channel portion in the piston lower part. In one example, a funnel-shaped inlet contour is formed in the inlet opening by pre-forging. In one example, a V-shaped element is formed in the piston upper part cooling chamber portion in alignment with the inlet opening and used as a coolant jet splitter.
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