| 摘要 |
Apparatus for enabling an engine to burn either liquid fuel or gaseous fuel, and which includes a gaseous fuel control valve for location in a gaseous fuel supply line between a gaseous fuel storage container and an intake manifold of the engine. The control valve includes a single diaphragm which defines one wall of a chamber having a gas inlet and a gas outlet. An accelerator pedal controlled outlet valve obturator is positioned in the outlet, for controlling the intensity of suction applied to the chamber in response to the position of the accelerator pedal. An inlet valve obturator is provided to control the flow of gaseous fuel through the inlet into the chamber. The inlet valve obturator is connected to the diaphragm so that movement of the diaphragm controls of the inlet valve obturator.
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