Tube plate for exhaust heat exchanger
US7367387B2 · kind B2 · utility
3Cited by
16References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 2002 |
| Grant date | May 6, 2008 |
| Priority date | — |
| Expiry date | Oct 24, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49373
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A tube plate for exhaust heat exchangers, with punched openings to hold the tube ends of a tube bundle, wherein the openings are arranged grid-like with a web width b, and each of the openings has a shear surface with a height h produced by punching, and a bevel of depth t, that is manufactured before punching, and wherein the height h is roughly the same as or smaller than the web width b, is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.