Compact, reduced backpressure, vertical exhaust water trap assembly
US6868670B1 · kind B1 · utility
12Cited by
15References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 28, 2003 |
| Grant date | Mar 22, 2005 |
| Priority date | — |
| Expiry date | Jun 1, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01N2590/08
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
An exhaust water trap assembly has separated and spaced exhaust tubes, and a dome cap blocking entry of water to protect an upstream catalytic converter or soot filter. A first tube extends axially upwardly into a housing, and a second tube is spaced vertically thereabove. The dome cap on the top end of the first tube blocks exhaust flow axially upwardly therepast and blocks entry of water axially downwardly therepast.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.