Heat transfer tube and heat exchanger
US12313341B2 · kind B2 · utility
0Cited by
9References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 2022 |
| Grant date | May 27, 2025 |
| Priority date | — |
| Expiry date | Mar 3, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF28F2215/12
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A heat transfer tube includes first flow paths aligned in the heat transfer tube. Each of the first flow paths includes a section with a rectangular shape that is elongated in a first direction parallel with an alignment direction of the first flow paths. Each of the first flow paths includes protrusions disposed on an inner surface. The section of each of the first flow paths has a long side having a first length and a short side having a second length, where a ratio of the first length to the second length is between 1.1 and 1.5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.