Bi-fuel engine with increased power
AssigneeAlset IP S A R.L.
InventorsJose Ignacio Galindo, Klaus M. Schaffer, Daniel Leitner, Christof Hepp
Life of this patent
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Abstract
A conventional gasoline engine is retrofitted and calibrated to operate as a bi-fuel engine using Hydrogen as the second fuel. When operated with Hydrogen, which typically leads to a reduction of engine output power, the engine is preferably operated in a charged mode and in a lean mode with the engine throttle kept in a wide open position during charged and lean mode operation resulting in a more efficient engine with a reduction of engine output power loss.
Claims42
A device for operating a bi-fuel engine using either a first or second fuel, the device comprising:
- a processor;
- a fuel intake assembly controlled by the processor and mounted onto the engine;
- an air pump coupled to the engine and controlled by the processor to operate the engine using the second fuel preferably in a lean mode and in a charged mode using quality control.
A method for controlling operation of a bi-fuel engine, the method comprises:
- using a processor to control a fuel intake assembly and an air pump, both of which are coupled to the bi-fuel engine, to operate the engine using a first fuel and to operate the engine preferably in a lean mode and in a charged mode using quality control when a second fuel is used and further where enthalpy of exhaust gases resulting from combustion of the second fuel with air is less than enthalpy of exhaust gases resulting from combustion of the first fuel with air.
A system for operating a bi-fuel engine using either a first or second fuel or mix fuel, the system comprising:
- a processor;
- a fuel intake assembly controlled by the processor;
- an air pump coupled to the engine and controlled by the processor to operate the engine using the second fuel preferably in a lean mode and in a charged mode using quality control.
A cross platform kit for retrofitting an engine to convert the engine to a bi-fuel engine in which one of the fuels may be a non-carbon based fuel, the kit comprises:
- a processor;
- an air pump;
- a fuel intake assembly where the processor, air pump and fuel intake assembly are installed on the engine such that the processor controls the air pump and fuel intake assembly to operate the engine.
A device for operating a bi-fuel engine using either a first or second fuel or a mix fuel, the device comprising:
- a processor;
- a fuel intake assembly controlled by the processor and mounted onto the engine;
- an air pump coupled to the engine and controlled by the processor to operate the engine using the mix fuel or second fuel preferably in a lean mode and in a charged mode using quality control where the air pump is a supercharger or a turbocharger that can operate properly with exhaust gases of the first or second fuels.
A method for controlling operation of a bi-fuel engine, the method comprises:
- using a processor to control a fuel intake assembly and an air pump, both of which are coupled to the bi-fuel engine, to operate the engine using a first fuel and to operate the engine preferably in a lean mode and in a charged mode using quality control when a second fuel or mix fuel is used and further where enthalpy of exhaust gases resulting from combustion of the second fuel with air or the combustion of the mix fuel with air is less than enthalpy of exhaust gases resulting from combustion of the first fuel with air.
Dependencies are inferred from the claim text.