HEAT EXCHANGER

PROBLEM TO BE SOLVED: To provide a heat exchanger capable of suppressing occurrence of corrosion even if a substance having corrosiveness such as condensed water adheres to the heat exchanger.SOLUTION: In an EGR cooler 1 including: a case 11; a flat pipe 12; and a gas exhaust-side cone 14, the gas e...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ADACHI HIRONARI, INADA SHUHEI, YAMAMOTO MIGI
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a heat exchanger capable of suppressing occurrence of corrosion even if a substance having corrosiveness such as condensed water adheres to the heat exchanger.SOLUTION: In an EGR cooler 1 including: a case 11; a flat pipe 12; and a gas exhaust-side cone 14, the gas exhaust-side cone 14 is coupled to the case 11 so as to overlap an inner side of a gas exhaust-side opening 11b of the case, the flat pipe 12 is contained in the case 11 so that an end surface portion 33b of a gas exhaust-side opening portion 33 of the flat pipe 12 is separated from and opposite to a cone end surface portion 14d of the gas exhaust-side cone 14, and a coupled portion 14b of the gas exhaust-side cone 14 including the cone end surface portion 14d, the gas exhaust-side opening portion 33 including the end surface portion 33b of the flat pipe 12, and an inner wall surface portion 11c of the case 11 between the cone end surface portion 14d and the end surface portion 33b are covered with a brazing filler material B.