| 摘要 |
An injector for vehicles improves utilization rate of air and mixing rate of air and fuel by disposing first and second nozzle holes having different K factors alternately. The injector for vehicles may include a housing of cylindrical shape, a plurality of nozzle holes communicating an inside of the housing with an outside thereof at a lower end of the housing, and a needle adapted to move reciprocally in the housing, and selectively opening or closing the nozzle hole, wherein the plurality of nozzle holes has a plurality of K factors. |
