Exhaust heat recovery device
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United States of America Patent
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Jul 14, 2015
Grant Date -
Sep 6, 2012
app pub date -
Mar 2, 2012
filing date -
Mar 3, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An exhaust heat recovery device includes a multi-piece, chamber-shaped branching member with a draw-molded first chamber half having one inlet for introducing exhaust gas, and a draw-molded second chamber half having two outlets for discharging the exhaust gas. The draw-molded first and second chamber halves are integrally connected together to form a single chamber. A first flow channel extends from one of the two outlets of the branching member for circulating the exhaust gas. A heat exchanger is provided to the first flow channel for recovering potential heat of the exhaust gas. A second flow channel extends from the other one of the two outlets of the branching member for circulating the exhaust gas while bypassing the heat exchanger. A valve chamber houses a valve configured to open and close an outlet of the second flow channel.
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