| 摘要 |
PURPOSE:To effectively utilize the exhaust gas by a structure wherein a heat exchanger is provided in the exhaust system of an engine in order to heat the air. CONSTITUTION:The heater main body 1 is provided through connecting parts 2 to be connected with exhaust passages 3-1 and 3-2 of the engine. A large number of het exchange tubes 6 are arranged in the heater main body 1 and an air inlet 4-1 and an air outlet 4-2 are open on an outer tube and a partition plate 7 is arranged among the heat exchange tubes 6 in the heater main body 1. The exhaust gas flows within the heat exchange tubes 6. |
