| 摘要 |
PROBLEM TO BE SOLVED: To reduce driving torque in feeding of a variable displacement high- pressure pump without fluctuation of common rail pressure, in a common rail- type fuel injection controller. SOLUTION: A variable displacement high-pressure pump P reduces driving torque in feeding by being so constituted that the timings of increase or decrease of capacities of a plurality of pressure chambers may be staggered. Solenoid valves 6a, 6b for controlling the introducing amount of low-pressure fuel to the pressure chambers are provided to each pressure chamber, storage means 95a, 95b for storing the delay time from the time when a valve closing signal is output to the time when the solenoid valves 6a, 6b are closed are provided on a control means ECU, the output period of the valve closing signal is corrected on the basis of the stored delay time to prevent the actual introducing amount of low-pressure fuel from being varied between the solenoid valves 6a, 6b. |
