Flat heat exchanger tube
US7665512B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 9, 2004 |
| Grant date | Feb 23, 2010 |
| Priority date | — |
| Expiry date | Jan 26, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49391
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A flat heat exchanger tube formed of a single strip of rolled aluminum, with at least one connection between the two broad sides. The connection is generally parallel to and spaced between the narrow sides and divides the heat exchanger tube into at least two chambers, and includes two legs consisting of bent opposite edges of the aluminum strip, the legs each having a head at adjacent bends along one of the broad sides and feet adjacent the other broad side. The legs lie against each other generally at their head over no more than half of the entire spacing between the two broad sides, with the legs enclosing an angle between them of about 20° to 100° or about 45° to 75°, advantageously 60°.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.