Fuel sulfur content-based operation control of a diesel engine
AssigneeFord Global Technologies, LLC
InventorsKeli Alark, Richard Kellogg Morton
Life of this patent
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Abstract
Over a diesel engine's lifetime, engine efficiency may be reduced and some of this may be attributable to sulfur deposit accumulation in the engine. A method for controlling operation of a diesel engine operating on a fuel is provided. The method may include adjusting an injection of fuel to the engine in response to a sulfur content of the fuel.
Claims19
A method for controlling operation of a diesel engine operating on a fuel, comprising:
- adjusting a sulfur decontamination cycle of an emission control device coupled to the engine, the cycle adjusted responsive to sulfur content of the fuel, the sulfur content correlated to injector performance of injectors coupled in the engine.
A method for controlling operation of a diesel engine operating on a fuel, comprising:
- adjusting a direct injection of fuel, and fuel pressure to the engine in response to a sulfur content of the fuel.
A method, comprising:
- monitoring operation of a diesel engine operating on a directly injected fuel, including:
- indicating fouling of a direct fuel injector in the engine responsive to a sulfur content of the fuel, wherein the indicating includes setting a diagnostic code in a controller;
- and
- regenerating a catalyst responsive to the sulfur content.
A method for controlling operation of a diesel engine operating on a fuel, comprising:
- performing a fuel injector cleaning cycle in response to a sulfur content of the fuel.
A method for controlling operation of a diesel engine operating on a fuel, comprising:
- estimating a sulfur content of the fuel based on fuel injector performance of a direct injection injector at a given injection pressure;
- and
- adjusting operation based on the estimated sulfur content of the fuel.
Dependencies are inferred from the claim text.