| 摘要 |
PROBLEM TO BE SOLVED: To provide a fuel supply device for a bifuel engine for suppressing the production of vapor in liquid fuel being not used for operation. SOLUTION: Individual fuel supply systems 30, 40 are provided for selectively injection-supplying CNG or gasoline to the engine 10. The fuel supply systems 30, 40 each have a fuel injection mechanism for injection-supplying fuel to the engine 20. As monitoring means for monitoring the temperature of the gasoline or its equivalent value, a temperature sensor 44a and a pressure sensor 44b are arranged in the fuel injection mechanism for the gasoline. In this construction, during operation in use of the CNG, when the temperature of the gasoline or its equivalent value satisfies predetermined conditions of accelerating the evaporation of the gasoline, change-over control is performed to the operation in use of the gasoline. COPYRIGHT: (C)2006,JPO&NCIPI
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