| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an exhaust heat recovery device that can be downsized.SOLUTION: The exhaust heat recovery device is provided in a prescribed arrangement in an exhaust system of an internal combustion engine or the like and comprises: a heat exchanger 3 for heat exchanging between exhaust gas and a medium; a first flow channel 4 through which exhaust gas passes; a second flow channel 5 where exhaust gas bypasses the heat exchanger 3; a first communication part 24 which has a confluent part 21 where the first flow channel 4 and the second flow channel 5 merge and which causes the second flow channel 5 and the confluent part 21 to communicate with each other; a second communication part 25 causing the first flow channel 4 to communicate with the confluent part 21; a valve stem 27 provided upstream of the second communication part 25; a first valve element 30 turned around the valve stem 27 as a center to open or close the first communication part 24; and a second valve element 31 turned around the valve stem 27 as a center to open or close the second communication part 25. A pair of arms 30, 30 for fitting the first valve element 30 to the valve stem 27 are provided at both sides of the second communication part 25, and the second communication part 25 is positioned between the pair of arms 30, 30.</p> |
