Hiroyasu Shimanuki
DENSO CORPORATION, Kariya, Aichi, 448-8661 Japan
Tomohiko Nakamura
Department of Mechanical Engineering, Graduate School of Engineering, Kobe University, 1-1, Rokkodai, Nada, Kobe 657-8501, Japan; DENSO CORPORATION, Kariya, Aichi, 448-8661 Japan
Isao Kuroyanagi
DENSO CORPORATION, Kariya, Aichi, 448-8661 Japan
Sadayuki Kamiya
DENSO CORPORATION, Kariya, Aichi, 448-8661 Japan
Toshio Ohara
R&D Department, Nippondenso Co. Ltd., Kariya 448, Japan; DENSO CORPORATION, Kariya, Aichi, 448-8661 Japan
To develop an evaporator which is located in the instrument panel along with aluminum heat exchangers used for car air conditioners, we 1) upgraded heat transmission performance by using extremely thin tubes and fins, 2) established a thin, highly corrosion resistant plate material (and controlled zinc diffusion by minimizing the brazing time), 3) improved refrigerant distribution in the tank portions, and 4) adopted countermeasures to offset degraded water drainage performance due to the use of extremely thin fins. We succeeded in drastically reducing the body size (by 35 percent) and reducing the weight, by 40 percent, from the previous MS(Multi-tank super slim) evaporators currently produced by DENSO CORPORATION, while maintaining equivalent cooling performance and corrosion resistance.