HEAT EXCHANGER FOR AN INTERNAL COMBUSTION ENGINE
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United States of America Patent
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Issued Date -
Nov 5, 2015
app pub date -
Nov 12, 2013
filing date -
Dec 7, 2012
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Abstract
A heat exchanger for an internal combustion engine includes a channel configured to have a fluid to be cooled flow therethrough, a coolant channel, and a separating wall configured to separate the coolant channel from the channel. The separating wall comprises knobs on a surface facing the coolant channel. The knobs are arranged on the surface so as to form first zones comprising the knobs and second zones comprising a smooth surface without the knobs. The first zones and the second zones are arranged relative to each another so as to from zones with a different flow resistance.
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