| 摘要 |
An intake ducting device for a car engine comprising at least a round sheet main body having on its outer edge a circular ring, the circular ring can be fixed in the inner surface of an intake tube and is provided inside of it with a plurality of airflow disturbing holes, the airflow disturbing holes are arrayed at least in two layers from the inner side to the center of the circular ring and are in the form of grids, each airflow disturbing hole has at least an airflow deflector having an tilting angle relative to the axis of the intake tube, when airflow from the car intake tube passes the main body, by the function of the airflow disturbing holes and the airflow deflectors respectively in the airflow disturbing holes, the airflow can be separated against concentration, thereby the intake tube can take in air uniformly.
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