Heat exchanger and fin
US11493284B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 4, 2018 |
| Grant date | Nov 8, 2022 |
| Priority date | — |
| Expiry date | Apr 27, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF28F2275/06
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A heat exchanger and a fin are provided. The heat exchanger includes: a fin. The fin includes a fin body and a flange, the fin body being provided with a heat exchange tube hole, the flange being provided on the fin body and surrounding the heat exchange tube hole; and a heat exchange tube passing through the heat exchange tube hole and connected to the flange. The flange includes a first sub-flange and a plurality of second sub-flanges, the first sub-flange is connected to the fin body, the plurality of second sub-flanges are connected to the first sub-flange and spaced apart from one another, and a height of the first sub-flange is less than a height of the second sub-flange.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.