Radiator with side flat tubes

Details Radiator with side flat tubes Radiator with side flat tubes

2005-06-14

2005-06-14

Duong, Tho v (Department: 3743)

Heat exchange

Side-by-side tubular structures or tube sections

With manifold type header or header plate

C165S153000, C165S174000, C165S176000

Reexamination Certificate

active

06904965

ABSTRACT:
A vehicle radiator including inlet and outlet headers, a soldered core having a plurality of coolant flat tubes joining the inlet header and the outlet header with cooling fins on opposite sides of the coolant flat tubes, and a multifunction flat tube on at least one side of the core. The multifunction flat tube has a greater section modulus than the coolant flat tubes, and is soldered to adjacent cooling fins and the inlet and outlet headers whereby the multifunction flat tube carries coolant from the inlet header to the outlet header. The multifunction flat tubes each also have an inner flow resistance which is substantially smaller than the inner flow resistance of individual coolant flat tubes whereby more coolant flows through each multifunction flat tube than flows through an individual coolant flat tube per unit time.

REFERENCES:
patent: 3034770 (1962-05-01), Hiersch
patent: 4098328 (1978-07-01), Cheong
patent: 4771942 (1988-09-01), Arold et al.
patent: 4791982 (1988-12-01), Meyerhofer
patent: 5101890 (1992-04-01), Aoki et al.
patent: 5186248 (1993-02-01), Halstead
patent: 5236042 (1993-08-01), Kado
patent: 5697433 (1997-12-01), Kato
patent: 6341648 (2002-01-01), Fukuoka et al.

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