| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a gas fuel supply device applied to a high pressure gas injecting diesel engine and putting the liquefied gas of fuel under high pressure by using a reciprocating pump easily arrangeable in a gas dangerous area. <P>SOLUTION: The gas fuel supply device 10 includes the reciprocating pump 20 for delivering the liquefied gas introduced by being driven by a hydraulic motor 50 by being boosted up to desired pressure, a hydraulic pump unit 53 for supplying driving hydraulic pressure to the hydraulic motor 50 from a variable displacement hydraulic pump 51 driven by an electric motor, a heating system 30 for heating and vaporizing the boosted liquefied gas supplied from the reciprocating pump 20, a control part 80 for keeping gas fuel output pressure of the heating system 30 constant by adjusting a rotating speed of the hydraulic motor 50, and an engine inlet gas pressure reducing valve 40 for adjusting gas fuel pressure injected into a combustion chamber. <P>COPYRIGHT: (C)2012,JPO&INPIT |
