| 摘要 |
PURPOSE:To reduce in size by obtaining a high heat exchanging efficiency, to improve an exhaust efficiency without decreasing engine performance, to improve a silencing effect and to integrate it with an engine. CONSTITUTION:An exhaust gas heat exchanger 4 heat exchanges exhaust gas flowing in an exhaust passage with other fluid flowing out of the passage, and comprises an upstream side heat exchanging unit 10 having an uneven part at an expansion chamber 12 of the passage, wherein the unit 10 is connected directly to an exhaust side of the engine.
|
