| 摘要 |
PROBLEM TO BE SOLVED: To execute an optimum control according to purposes of use of various working machines by providing an injection control means for controlling a fuel injection device so as to perform a non-steady injection in addition to a steady injection on the basis of the detection result of an operating state detecting means. SOLUTION: An injection setting part 32 calculates the intake quantity per one rotation of an engine from an intake pipe negative pressure (p) and an engine rotating speed (n), and determines a fuel injection quantity. An operating state detecting part 25 detects the operating state of the engine according to an openingθof a throttle valve, the rotating speed (n) and a state detecting sensor 34 such as a torque sensor 35. An injection control part 33 judges a non-steady state requiring a special correction on the basis of the output of the operating state detecting part 25. A fuel injection device 4 is controlled so as to perform a non-steady injection in addition to a steady injection in conformation to the operating state. Thus, the throttle valve can be controlled with good responsiveness, and also precisely and stably controlled.
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