| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an emulsion fuel supply device capable of suppressing freeze in piping after stopping an engine. <P>SOLUTION: An emulsion fuel supply device 5 makes W/O type emulsion fuel out of light oil, water and emulsifier supplied at a prescribed ratio of light oil:water = 7:3 or 8:2 and emulsifier of 1% or the like of the entire to be supplied to a diesel engine 3. The device includes a water supply device (a water tank 11, water pump 31 and control unit 37) for supplying water through water piping 19 from a water tank 11 by driving the water pump 31 provided to the water piping 19, a solenoid valve 33 capable of switching the intake port of the water pump 31 between intakes of water and outside air through the switch of an intake port in the water pump between a water tank 11 side and outside air side between the water tank 11 and water pump 31, and a water discharge control device (control unit 37) for driving the water pump 31 for a prescribed time period while switching the solenoid valve 33 to the outside air side during engine stop control. <P>COPYRIGHT: (C)2008,JPO&INPIT |
