Patent ID: 11879420
Assignee: KIA CORPORATION
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 10:
11. A vehicle comprising;
a vehicle body;
a battery mounted in the vehicle body;
an engine mounted in the vehicle body, the engine comprising a plurality of cylinders;
an ignition coil comprising a first ignition coil comprising a first primary coil and a first secondary coil and a second ignition coil comprising a second primary coil and a second secondary coil, wherein a first end of the first primary coil and a first end of the second primary coil are electrically connected to the battery;
a spark plug mounted in a cylinder of the plurality of cylinders, the spark plug comprising a pair of electrodes configured to generate a spark discharge by a discharge current generated by the first ignition coil and the second ignition coil;
a detector configured to detect whether a misfire of the engine occurs; and
a controller configured to:
determine an operation region of the engine;
selectively perform a multi-stage ignition through the first ignition coil and the second ignition coil or a single-stage ignition through the first ignition coil or the second ignition coil based on the determined operation region of the engine; and
while performing the multi-stage ignition, and in response to a determination that the misfire of the engine occurs, adjust a number of ignitions or a dwell time.