PROBLEM TO BE SOLVED: To provide a wind selection machine capable of precisely fractionating a lightweight cargo and a heavy cargo while being a small-sized, lightweight and compact.SOLUTION: A wind selection machine of the present invention is the wind selection machine for fractionating a processed product into a lightweight cargo and a heavy cargo by using an air current, and comprises an input port for inputting the processed product, two or more of fractionation parts for fractionating the processed product into the lightweight cargo and the heavy cargo, an air current generation part for generating the air current arranged in the fractionation part, an exhaust port for exhausting the air current and a lightweight cargo discharge part having a lightweight cargo discharge port for discharging the lightweight cargo fractionated from the processed product by te air current.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2020,JPO&INPIT【課題】小型、軽量でコンパクトでありながら精密に軽量物と重量物との分別が可能な風選機を提供することを目的とする。【解決手段】本発明に係る風選機は、被処理物を気流を用いて軽量物と重量物とに分別する風選機であって、被処理物を投入する投入口と、被処理物を軽量物と重量物とに分別するための２つ以上の分別部と、前記分別部に配設された気流を発生させるための気流発生部と、前記気流を排気するための排気口と、前記気流により前記被処理物から分別された軽量物を排出するための軽量物排出口を備えた軽量物排出部と、を備えることを特徴とする。【選択図】図１
