Exhaust gas recirculation apparatus and method for forming same
US9140217B2 · kind B2 · utility
1Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2012 |
| Grant date | Sep 22, 2015 |
| Priority date | — |
| Expiry date | Sep 2, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49373
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An exhaust gas recirculation cooler for internal combustion engines and a method of forming same. One or more cooler tubes incorporate a flexible section, comprised of one or more integrally formed convolutions, with a tube and fin architecture. The exhaust gas recirculation cooler provides thermal compensation, on a per-tube basis, with the flexible sections of the one or more cooler tubes individually displacing upon the thermal expansion of any of the respective tubes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.