Method for injecting reductant into an exhaust gas of an engine using an oscillating supply pressures
US9765669B2 · kind B2 · utility
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4References
24Claims
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Key dates
| Filing date | Sep 29, 2015 |
| Grant date | Sep 19, 2017 |
| Priority date | — |
| Expiry date | Jan 5, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A method for injecting a reductant into an exhaust gas of a power system. The method includes injecting the reductant at a commanded flow rate, while simultaneously oscillating a supply pressure of the reductant between a higher supply pressure and a lower supply pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.