System for adapting an internal combustion engine to be powered by gaseous fuel in gas phase and by gaseous fuel in liquid phase
AssigneeAC Corporation
InventorsPiotr Dobrogowski, Marcin Trocki, Andrzej Sadowski, Tomasz Cybulko
Life of this patent
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Abstract
System for adapting an internal combustion engine to be powered by gaseous fuel in gas phase and by gaseous fuel, an internal combustion engine arrangement comprising the system and a method for adapting an internal combustion liquid fuel engine to be powered by gaseous fuel in gas phase and gaseous fuel in liquid phase.
Claims28
A system for adapting an internal combustion engine to be powered by gaseous fuel in gas phase and by gaseous fuel in liquid phase at the same time, comprising at least one cylinder and at least one liquid fuel injector for injecting liquid fuel directly into the at least one cylinder, wherein the system comprises:
- a tank of gaseous fuel in liquid phase,
- a pump of gaseous fuel in liquid phase in fluid communication with the tank of gaseous fuel in liquid phase for pumping gaseous fuel in liquid phase from the tank,
- at least one gaseous fuel injector for injecting gaseous fuel in gas phase,
- a gaseous fuel reducer for bringing gaseous fuel from liquid into gas phase, with the reducer in fluid communication with the gaseous fuel pump for receiving gaseous fuel in liquid phase, and with the at least one gaseous fuel injector for being fed with gaseous fuel in gas phase,
- the system is adapted to be in fluid communication between the pump of gaseous fuel in liquid phase and the at least one liquid fuel injector for supplying by the injector the gaseous fuel in liquid phase and for injecting gaseous fuel in liquid phase directly into the at least one cylinder through the at least one liquid fuel injector.
A dual fuel combustion engine arrangement comprising:
- a liquid fuel tank,
- a liquid fuel pump in fluid communication with the liquid fuel tank for pumping liquid fuel from the liquid fuel tank when operating in liquid fuel mode,
- at least one cylinder of internal combustion engine,
- at least one liquid fuel injector in fluid communication with the liquid fuel pump for injecting liquid fuel directly into the at least one cylinder when operating in liquid fuel mode,
- a tank of gaseous fuel in liquid phase,
- a pump of gaseous fuel in liquid phase in fluid communication with the tank of gaseous fuel in liquid phase for pumping gaseous fuel in liquid phase from the tank of gaseous fuel in liquid phase when operating in gaseous fuel mode,
- at least one gaseous fuel injector for injecting gaseous fuel in gas phase when operating in gaseous fuel mode,
- gaseous fuel reducer for bringing gaseous fuel from liquid phase into gas phase when operating in gaseous fuel mode, with the reducer in fluid communication with the gaseous fuel pump for receiving gaseous fuel in liquid phase, and with the at least one gaseous fuel injector for being fed with gaseous fuel in gas phase when operating in gaseous fuel mode,
- a fluid communication is provided between the pump of gaseous fuel in liquid phase and the at least one liquid fuel injector for supplying by the injector the gaseous fuel in liquid phase and for injecting the gaseous fuel in liquid phase directly into the at least one cylinder through the at least one liquid fuel injector when operating in gaseous fuel mode.
A method for adapting an internal combustion liquid fuel engine to be powered by gaseous fuel in gas phase and gaseous fuel in liquid phase, where
- a liquid fuel internal combustion engine is provided, comprising
- a liquid fuel tank,
- a liquid fuel pump in fluid communication with the liquid fuel tank for pumping liquid fuel from the liquid fuel tank when operating in liquid fuel mode,
- at least one cylinder of internal combustion engine,
- at least one liquid fuel injector in fluid communication with the liquid fuel pump for injecting liquid fuel directly into the at least one cylinder when operating in liquid fuel mode,
- and a system is provided for adapting an internal combustion liquid fuel engine to be powered by gaseous fuel in gas phase and in liquid phase when operating in gaseous fuel mode, comprising
- a tank of gaseous fuel in liquid phase,
- a pump of gaseous fuel in liquid phase in fluid communication with the tank of gaseous fuel in liquid phase for pumping gaseous fuel in liquid phase from the tank of gaseous fuel when operating in gaseous fuel mode, —at least one gaseous fuel injector for injecting gaseous fuel in gas phase when operating in gaseous fuel mode,
- gaseous fuel reducer for bringing gaseous fuel from liquid phase into gas phase when operating in gaseous fuel mode, with the reducer being in fluid communication with the gaseous fuel pump for receiving gaseous fuel in liquid phase, and with the at least one gaseous fuel injector for being fed with gaseous fuel in gas phase when operating in gaseous fuel mode,
- and a fluid communication is provided between the pump of gaseous fuel in liquid phase and the at least one liquid fuel injector for supplying the gaseous fuel in liquid phase by the injector and for injecting gaseous fuel in liquid phase directly into the at least one cylinder through the at least one liquid fuel injector when operating in gaseous fuel mode.
Dependencies are inferred from the claim text.