ANTI-FREEZING DEVICE FOR EGR DEVICE
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United States of America Patent
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Jul 10, 2014
app pub date -
Sep 3, 2012
filing date -
Sep 5, 2011
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Abstract
In an anti-freezing device for an EGR device 14 with an EGR cooler 12 being provided midway of an EGR pipe 11 for extraction and recirculation of a part of exhaust gas from an exhaust side to an intake side, a downstream EGR pipe 11b downstream of the EGR cooler 12 being connected through a flange section 15 to an EGR valve 13, the flange section 15 is provided with a warm-water passage 16 to and from which engine warm water 22 is guided through warm-water conduits 23 and 24.
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