Car manufacturers today are increasingly committed to improving passenger comfort and fuel efficiency. To satisfy such needs, there is strong demand for the evaporator, which is a major component of the heating, ventilating and air conditioning (HVAC) system for the car air conditioner, to be smaller and lighter in weight. Among aluminum heat exchangers used for automotive air conditioning, the evaporator is located in the instrument panel. A new evaporator has been developed by: 1) improving the heat transfer performance through use of thinner tubes and fins; 2) establishing technologies for improving corrosion resistance and enabling reduction in wall thickness (development of highly corrosion-resistant material and control of Zn diffusion by shortening brazing time); and 3) improving refrigerant distribution in the tanks. The new evaporator is equivalent to the conventional MS Evaporator (of Multi-Tank Super-Slim Structure) in cooling performance and corrosion resistance, while being significantly thinner (35 % reduction) and lighter in weight (40 % reduction).
Ultra-thin and light-weight RS evaporator
Ultradünner und leichter RS-Verdampfer
2003
7 Seiten, 24 Bilder, 1 Tabelle, 5 Quellen
Aufsatz (Konferenz)
Englisch
Automobil , Klimaanlage , Verdampfer , Leichtbauweise , Heizen , Lüftung , Wärmetauscher , Aluminium , Wärmeübergang , Rippenrohr , Korrosionswiderstand , Wanddicke , Zink , Hartlöten , Kältemittel , Gewichtseinsparung
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