System for storing an additive and for injecting it into engine exhaust gases
US7818961B2 · kind B2 · utility
10Cited by
4References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 14, 2005 |
| Grant date | Oct 26, 2010 |
| Priority date | — |
| Expiry date | Apr 26, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A system for storing an additive and for injecting the additive into exhaust gases of an internal combustion engine. The system includes a tank for storing the additive, an injector and a pump for conveying the additive from the tank to the injector via an injection line, and a purge device configured to force a purge gas to flow through the entire injection line either from the tank to the injector, or from the injector to the tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.