EXHAUST-GAS HEAT EXCHANGER MADE OF DUPLEX STEEL
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United States of America Patent
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Nov 19, 2015
app pub date -
May 13, 2015
filing date -
May 14, 2014
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Abstract
The present invention relates to an exhaust-gas heat exchanger for a motor vehicle, having an outer casing and plates arranged therein lying one above another in layers, wherein a fin plate made of austenitic steel material is arranged in an inner cassette made of ferritic steel material or made of duplex steel and at least two inner cassettes are arranged one above another like plates and the outer casing is formed from duplex steel and engages around the inner cassettes.
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