| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem that a fuel injection device of a bi-fuel internal combustion engine requires a lager number of components, a more complicated structure and more expensive costs, compared to a fuel supply device of a conventional gasoline engine, since the fuel injection device is needed for each of gasoline fuel and CNG fuel. <P>SOLUTION: The liquid fuel injection device includes a fuel injection valve that injects liquid fuel into each cylinder at least from one portion, and a gas fuel valve that injects gas fuel. A fuel passage is formed in an intake pipe to eliminate fuel piping, and a fuel pressure control valve and a fuel pressure pulsation inhibit valve are combined with and integrated into the intake pipe. In addition, the gas fuel injection valve that injects the gas fuel into the intake pipe and the fuel piping are combined with and integrated into the intake pipe. As a result, due to reduction in the number of liquid fuel injection valves, the integration of the fuel passage into the intake pipe, or the integration of the gas fuel injection valve and the fuel piping into the intake pipe, reduction in the number of components, integration of components, and elimination of some components are permitted. <P>COPYRIGHT: (C)2004,JPO |
