| 摘要 |
A transportation device, physically transporting a material to a target, includes an input module, a transporting module and an output module. The input module provides a carrier fluid. The transporting module is coupled to the input module for receiving the carrier fluid in order to disperse/atomize the material. The output module has a throat portion, a first opening and a second opening. The throat portion is positioned between the first opening and the second opening, and the aperture of the first opening is larger than that of the second opening. The distance between the throat portion and the second opening is equal to or smaller than the distance between the throat portion and the first opening and is between three and ten times of the throat portion aperture (d). The second opening has an expending angle which is between half and three times of the throat portion aperture angle) (½d°-3d°. The material enters the input module through the first opening and reaches the target through the second opening. The input module further includes a guiding unit having a length longer than or equal to the distance between the throat portion and the second opening. One end of the guiding unit connects the transporting module, and the size of the end connected to the transporting module is three times larger than the size of the throat portion. The other end of the guiding unit has a guiding corner for connecting to the first opening, and the angle of the guiding corner is between three and fifteen times of the throat portion angle (3d°-15d°).
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