公开(公告)号：US20200086330A1

公开(公告)日：2020-03-19

申请号：US16470828

申请日：2017-05-23

Applicant: POSCO

Inventor： Kyung-Hoon NAM ,  Sang-Joon KIM ,  Kyoung-Pil KO ,  Tae-Yeob KIM ,  Mun-Jong EOM

IPC: B04C1/00 ,  B01D45/16 ,  C23C14/24 ,  C23C14/56

Abstract: Provided is a filter unit including: a cyclone body member which receives fluid introduced thereinto in one direction and has a circular internal sectional shape to form a rotational flow of the fluid; and a discharge member which is disposed on a central upper end portion of the cyclone body member and has a cross section, at least a part of which has a noncircular shape, so as to reduce the rotational flow and then discharge the fluid.