Heat exchange tube having multiple fluid paths

Details Heat exchange tube having multiple fluid paths Heat exchange tube having multiple fluid paths

2004-05-19

2010-12-14

Ciric, Ljiljana (Lil) V (Department: 3744)

Heat exchange

Tubular structure

C029S890030

Reexamination Certificate

active

07849915

ABSTRACT:
A heat exchange tube having a flat shape includes a plurality of fluid paths having a circular cross section and extending in a longitudinal direction of the tube. Each fluid path is parallel to each other fluid path. The tube is dimensioned such that a distance between two adjacent fluid paths is defined as Wt, and a circumferential thickness between a surface of the tube and an outermost fluid path is defined as Ht. The distance Wt and the circumferential thickness Ht have a relationship as 0.42≦Ht/Wt≦0.98.

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Office Action issued from German Patent Office dated Aug. 21, 2008 in the corresponding German Patent Application No. 102004024825.7.

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