| 摘要 |
<P>PROBLEM TO BE SOLVED: To automatically switch fuel to gasoline or the like as one more fuel when a residual quantity of LPG in a tank is reduced in operation by using LPG as one fuel of a bi-fuel engine. <P>SOLUTION: There is shown a system constitution drawing of automatic fuel switching in which a pressure meter for measuring the inner pressure of a LPG tank is installed. When the inner pressure of the LPG tank is lowered to predetermined pressure or lower, the pressure meter 10 transmits a signal to an automatic fuel switching instruction device 9. The automatic fuel change instruction device 9 which has received the signal transmits a closing signal to a LPG supply valve 6 so as to stop the supply of LPG, and at the same time, transmits an opening signal to a gasoline supply valve 5 so as to start the supply of gasoline. A display lamp 8 informs a driver by lighting indication of gasoline. <P>COPYRIGHT: (C)2010,JPO&INPIT |
