Fuel injection system
AssigneeDenso Corporation
InventorsMasaaki Kato, Katsuhide Akimoto
Life of this patent
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Abstract
A fuel injection system includes (i) an injector for injecting gaseous fuel and liquid fuel into a cylinder of an internal combustion engine, (ii) a gaseous fuel supplying unit having a gaseous feel tank as a first high-pressure accumulating source for pressurizing gaseous fuel, (iii) a liquid fuel supplying unit having a common rail as a second high-pressure accumulating source for pressurizing liquid fuel; (iv) a fuel pump as a pressure feeding unit that pressure feeds liquid fuel to the common rail; and (v) a compressor as a pressure increasing unit, which is operated under pressure of the pressurized gaseous fuel to increase pressure of liquid fuel pressure fed from the fuel pump.
Claims7
A fuel injection system comprising:
- a gaseous fuel supplying unit having a first high-pressure accumulating source for pressuring gaseous fuel;
- a liquid fuel supplying unit having a second high-pressure accumulating source for pressurizing liquid fuel;
- an injector that injects the pressurized gaseous fuel and the pressurized liquid fuel;
- a pressure feeding unit that pressure feeds liquid fuel to the second high-pressure accumulating source;
- and
- a pressure increasing unit, which is operated under pressure of the pressurized gaseous fuel to increase pressure of liquid fuel pressure fed from the pressure feeding unit.
Dependencies are inferred from the claim text.