| 摘要 |
A device and method for generating a vortex within an air conduit of an internal combustion engine as well as a method of manufacturing such a device. The device focuses a portion of the air flowing into an air conduit into a number of tightly focused air streams tangent to a circle located concentrically within the lumen of the air conduit at a point downstream from the device. In the preferred embodiment of the invention, the device contains a number of blades which are formed into tightly curled, open, truncated cone shapes (i.e. open frustroconical shapes) where the circumference of the curvature of the blade is smallest where the air first meets the blade and increases continuously across the width of the blade. In the preferred embodiment, the blades have rounded edges and extend only partway into the center of the device and are separated from each other by gaps.
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