摘要:
An intake passage of a V diesel engine 10 has a pair of distributing lines 19L, 19R connected to corresponding banks 11L, 11R, a converging line 16 that connects the distributing lines 19L, 19R to each other, and a pair of branch lines 15L, 15R branched from the converging line 16 and extending upstream. Boost pressure changing mechanisms 50L, 50R, air intake throttle valves 51L, 51R, and exhaust flow rate adjusting valves 52L, 52R are provided in correspondence with the branch lines 15L, 15R and inlet lines 13L, 13R. A control section 41 controls operation of each of these actuators in accordance with a common target control value.
摘要:
A calculation unit 15 measures an elapsed time every time a pickup 9b detects a tooth. When fuel is injected using the latest tooth number detected by the pickup 9b as a reference on the basis of a calculation result of a fuel injection timing, the calculation unit 15 calculates an interval from detection of tooth number 6 by the pickup 9b to the start of fuel injection. At a timing where the elapsed time equals the interval, a drive circuit 10 opens a solenoid valve 4, whereby fuel is injected into a cylinder from an injector 3 on the basis of calculation result stored in a storage unit 16.
摘要:
When the rotational speed of the diesel engine 1 exceeds the reference rotational speed, the fuel injection amount calculation processing is not completed at the first crank angle. Thus, the fuel injection amount calculation processing is interrupted and the first tasks of the first calculation processing are performed at the first crank angle. The remaining calculation processing of the fuel injection amount calculation processing is performed following completion of the first tasks, and then the second tasks of the first calculation processing is performed. The second calculation processing is started following completion of the second tasks at the second crank angle.