US 11,927,404 B2
Heat exchange tube, processing method for same, and heat exchanger having same
Zhongyao Tong, Zhejiang (CN); and Qiang Gao, Zhejiang (CN)
Assigned to SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER CO., LTD., Zhejiang (CN)
Appl. No. 17/414,189
Filed by SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER CO., LTD., Zhejiang (CN)
PCT Filed Dec. 18, 2019, PCT No. PCT/CN2019/126272
§ 371(c)(1), (2) Date Jun. 15, 2021,
PCT Pub. No. WO2020/125671, PCT Pub. Date Jun. 25, 2020.
Claims priority of application No. 201822127677.8 (CN), filed on Dec. 18, 2018.
Prior Publication US 2021/0333054 A1, Oct. 28, 2021
Int. Cl. F28F 1/02 (2006.01); B21D 53/04 (2006.01); F28F 1/04 (2006.01)
CPC F28F 1/022 (2013.01) [B21D 53/04 (2013.01); F28F 1/04 (2013.01); F28F 2275/12 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A heat exchange tube for a heat exchanger, comprising:
a body portion including a plurality of flow channels arranged in parallel and spaced apart from each other, a length direction of the flow channels being parallel to a length direction of the body portion; and
an extension portion extending from at least one side of the body portion along a width direction of the body portion,
wherein the extension portion and at least a part of the body portion are formed by folding a same plate material,
wherein the extension portion comprises two stacked plate material portions, outer ends of the two stacked plate material portions join together, an inner end of one of the two stacked plate material portions joins a bottom wall of the body portion, and an inner end of the other of the two stacked plate material portions joins a side wall of the body portion, and
wherein the body portion and the extension portion of the heat exchange tube are an integral structure.