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US 7,040,084 B2Granted
Exhaust emission aftertreatment
AssigneeGeneral Motors Corporation
InventorFrank Ament
Life of this patent
Estimating the term…
Abstract
An engine control system in a vehicle including a diesel engine in the vehicle, a diesel fuel tank for supplying fuel to the diesel engine, a gasoline tank in the vehicle, a reformer for providing partial oxidation products from gasoline contained in the gasoline tank, a NOx trap coupled to the exhaust of the diesel engine.
Claims9
An engine control system in a vehicle comprising:
- a diesel engine in the vehicle;
- a diesel fuel tank for supplying fuel to the diesel engine;
- a gasoline tank in the vehicle;
- a reformer for providing partial oxidation products from gasoline contained in said gasoline tank;
- a NOx trap coupled to the exhaust of said diesel engine.
2 more elements
A method of controlling a diesel engine comprising:
- providing a diesel fuel tank;
- providing a gasoline fuel tank;
- providing a gasoline reformer;
- providing a NOx trap;
- generating partial oxidation products using said gasoline reformer;
- and
- regenerating said NOx trap with said partial oxidation products.
4 more elements
A method of controlling a diesel engine comprising:
- supplying gasoline to a partial oxidation reformer to generate reformate;
- and
- introducing the reformate into the diesel engine.
Dependencies are inferred from the claim text.