Heat exchanger

Details Heat exchanger Heat exchanger

1990-06-18

1991-02-12

Hepperle, Stephen M.

Heat exchange

With protector or protective agent

165180, 165905, F28F 1900

Patent

active

049916475

ABSTRACT:
A heat exchanger comprises tubular elements and fin members. The tubular elements are made of an aluminum alloy containing 0.05 to 1.0 wt % of Mg, 0.2 to 1.2 wt % of Si, 0.2 to 1.5 wt % of Mn, 0.01 to 0.5 wt % of Fe, as necessary components, and further containing at least one of 0.05 to 0.3 wt % of Cr and 0.01 to 0.05 wt % of Ti, as optional auxiliary components, and 0.05 or less wt % of Cu as a controlled impurity, the balance being aluminum and unavoidable impurities. The fin members are made of another aluminum alloy containing 0.05 to 1.0 wt % of Mg, 0.2 to 1.2 wt % of Si, 0.2 to 1.5 wt % of Mn, 0.01 to 0.5 wt % of Fe, and further containing at least one of 0.01 to 0.1 wt % of In and 0.1 to 2.0 wt % of Zn as necessary components, and still further containing at least one or of 0.05 to 0.3 wt % of Cr and 0.01 to 0.05 wt % of Ti as optional auxiliary components, and 0.05 wt % or less of Cu as a controlled impurity, the balance being aluminum and unavoidable impurities.

REFERENCES:
patent: 2061921 (1936-11-01), Roath
patent: 3878871 (1975-04-01), Anthony et al.
patent: 3960208 (1976-06-01), Anthony et al.
patent: 4203490 (1980-05-01), Terai et al.
patent: 4209059 (1980-06-01), Anthony et al.
patent: 4317484 (1982-03-01), Tanabe et al.
patent: 4410036 (1983-10-01), Kanada et al.
patent: 4412869 (1983-11-01), Vernam et al.
patent: 4463061 (1984-07-01), Otoguro et al.
patent: 4560625 (1985-12-01), Kaifu et al.

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