The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 27, 2025
Filed:
Jun. 01, 2020
Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd., Zhejiang, CN;
Guangfei Wei, Zhejiang, CN;
Jianlong Jiang, Zhejiang, CN;
Qiang Gao, Zhejiang, CN;
Haobo Jiang, Zhejiang, CN;
SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER CO., LTD., Zhejiang, CN;
Abstract
A flat tube, a multi-channel heat exchanger, and an air conditioning and refrigeration system. The flat tube has n groups of flow channels extending in a length direction of the flat tube, and the n groups of flow channels are distributed to be spaced apart in a width direction of the flat tube; and a flow cross-sectional area of a first group of the flow channels is A, . . . , a flow cross-sectional area of kgroup of the flow channels is A, . . . , a flow cross-sectional area of an ngroup of the flow channels is An, 1<k≤n, A≥1.2A, and k is an integer greater than 1.