Heat transfer fin and fin-tube heat exchanger
US8505618B2 · kind B2 · utility
5Cited by
5References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2007 |
| Grant date | Aug 13, 2013 |
| Priority date | — |
| Expiry date | Nov 5, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF28D1/0477
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A fin (3) of a fin-tube heat exchanger (1) has protuberances (5) each disposed between two adjacent heat transfer tubes (2, 2) and holes 8 (cut-outs) each formed upstream of the protuberances (5). Each of the protuberances (5) has, as an upstream portion adjacent to the hole (8), a wing portion (6) tapering toward an upstream side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.