Apparatus for introducing a reducing agent into the exhaust of an internal combustion engine
US7594393B2 · kind B2 · utility
20Cited by
8References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 7, 2004 |
| Grant date | Sep 29, 2009 |
| Priority date | — |
| Expiry date | Aug 5, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
An apparatus for introducing a reducing agent into the exhaust of an internal combustion engine, having a reservoir, a delivery unit, and a flow path for the reducing agent. The apparatus also has a ventilation device for ventilating the flow path and is situated at a geodetic high point of the flow path and even in the closed state, permits a return of a minimal fluid quantity to the reservoir.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.