Patent ID: 11927397
Assignee: HYUNDAI MOBIS CO., LTD.
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F  B | IPC B  F

Claim 0:
1. A tube assembly for a heat exchanger or heat management apparatus, the tube assembly comprising:
a first-row tube comprising an inner fin type tube;
a second-row tube comprising an inner fin type tube;
a central connection portion that connects the first-row tube to the second-row tube; and
a header comprising a first-row tube hole and a second-row tube hole, and ends of the first-row tube and the second-row tube that are inserted into the first-row tube hole and the second-row tube hole to protrude therefrom, respectively,
wherein a surface of the central connection portion between the first-row tube and the second-row tube is embossed to form an embossment having a projection relative to the surface of the central connection portion and configured to drain condensate in a longitudinal direction along the surface of the embossed central connection portion,
wherein a cut portion is formed in the central connection portion between the ends of the first-row tube and the second-row tube inserted into the header, and
wherein a length of the cut portion is based on a thickness of a material of the header and a length at which the ends of the first-row tube and the second-row tube are inserted into the header and protrude therefrom.