| 摘要 |
The invention relates to an engine fuel control device including an idle speed control valve (205) that controls an engine speed during idling by bypassing a throttle valve (202), an air bleed valve (208) that is disposed downstream from a regulator (207) for regulating the pressure of a fuel gas supplied to the engine (201) and that controls a flow path area of a passage open to atmosphere, a target speed setting means that sets a target engine speed during idling, a throttle valve opening control means that controls the opening of the idle speed control valve (205) so as to maintain the target engine speed, a control factor setting means that sets a factor so as to control the opening of the idle speed control valve (205), a capturing means that captures a change in a state of the factor, and a control means that controls the air bleed valve (208) based on the change in the state of the factor captured by the capturing means. It controls the air bleed valve (208). <IMAGE>
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