公开(公告)号：WO2009043288A1

公开(公告)日：2009-04-09

申请号：PCT/CN2008/072515

申请日：2008-09-25

Applicant: CATERPILLAR INC. ,  MA, Jiubo ,  YANG, Zhishang ,  ZHAO, Shizhu ,  ZHANG, Shoudu ,  SHENG, Yuexuan ,  YANG, Lianmin ,  WANG, Zengqiang ,  CHEN, Fuqiang ,  XU, Xinqiang

Inventor： MA, Jiubo ,  YANG, Zhishang ,  ZHAO, Shizhu ,  ZHANG, Shoudu ,  SHENG, Yuexuan ,  YANG, Lianmin ,  WANG, Zengqiang ,  CHEN, Fuqiang ,  XU, Xinqiang

IPC: B21D53/06 ,  B23P15/26 ,  F28F1/00

CPC classification number: F28F1/04 ,  B23K26/242 ,  B23K26/244 ,  F28D1/05366 ,  F28F2275/067

Abstract: A tube assembly (30) for a heat exchanger (10) is provided having a first U-shaped stainless steel assembly component (36) and a second U-shaped stainless steel assembly component (40). In addition, the tube assembly has at least one laser-welded joint coupling the first and second U-shaped assembly components together. The laser-welded joint has a weld that extends along substantially an entire length of the tube assembly.

Abstract translation: 提供了一种用于热交换器（10）的管组件（30），其具有第一U形不锈钢组件（36）和第二U形不锈钢组件部件（40）。 此外，管组件具有将第一和第二U形组件部件联接在一起的至少一个激光焊接接头。 激光焊接接头具有沿管组件的大致整个长度延伸的焊缝。