GASEOUS FUEL HEATING APPARATUS IN INTERNAL COMBUSTION ENGINE
PROBLEM TO BE SOLVED: To prevent reliquefaction and a freeze of gaseous fuel by heating a flow control means through a heating means attached to the flow controlling means. SOLUTION: A heater unit 46 for heating a flow rate control valve 28 by cooling water or a heating wire is integratedly attached...
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Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To prevent reliquefaction and a freeze of gaseous fuel by heating a flow control means through a heating means attached to the flow controlling means. SOLUTION: A heater unit 46 for heating a flow rate control valve 28 by cooling water or a heating wire is integratedly attached to a flow rate control valve 28 for controlling the flow rate of gaseous fuel supplied to an internal combustion engine 44 on the basis of an intake air flow rate Q detected by an air flow meter 30 and an engine revolution speed Ne detected by a crank angle sensor 32. Thus, a temperature of the flow rate control valve 28 is risen, so that gaseous fuel flowing in the flow rate control valve 28 receives heat from the inner wall of the flow rate control valve 28 to rise its temperature, for preventing reliquefaction and a freeze, for example even when its volume is increased to drop a temperature. |
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