Exhaust heat recovery apparatus
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United States of America Patent
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Nov 25, 2014
Issued Date -
N/A
app pub date -
May 23, 2012
filing date -
May 27, 2011
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An exhaust heat recovery apparatus includes a joining section extending from a downstream end portion of a second flow passage section to a first flow passage section. The joining section has a communication port formed proximate a valve shaft for directing an exhaust gas from the second flow passage section into a housing section. A valve includes a first valve body supported by the valve shaft for closing a downstream end portion of the first flow passage section, and a second valve body extending from the first valve body for closing the communication port. The first valve body and the second valve body are disposed circumferentially of the valve shaft. The second valve body has an arc-shape having a center provided by the valve shaft.
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