Anti-freezing device for egr device
AssigneeHino Motors, Ltd.
InventorHiroshi Horiuchi
Life of this patent
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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.
Claims4
An anti-freezing device for an EGR device wherein an EGR cooler is provided midway of an EGR pipe which extracts a part of exhaust gas from an exhaust side to recirculate the extracted exhaust gas to an intake side, a downstream EGR pipe downstream of said EGR cooler being connected through a flange section with an EGR valve, characterized in that said flange section is provided with a warm-water passage to and from which engine warm water is guided through warm-water conduits.
Dependencies are inferred from the claim text.