公开(公告)号：US20190045991A1

公开(公告)日：2019-02-14

申请号：US16076838

申请日：2017-01-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byoung-in LEE ,  Byung-chan KIM ,  Woo-ram OH ,  Won-kyu LIM ,  Kyung-han JEONG

IPC: A47L9/16 ,  A47L9/14 ,  A47L9/22

Abstract: A robot cleaner motor assembly including: a fan motor and a fan motor casing including an exhaust passage for guiding, to an exhaust port, air discharged from the fan motor, wherein the exhaust passage includes: a first exhaust passage guiding the air such that the air, discharged from a discharge port of the fan motor, moves to an upper or lower side of the fan motor; a second exhaust passage guiding, to a front end of the fan motor, the air discharged from the first exhaust passage; a third exhaust passage guiding the air such that the air, discharged from the second exhaust passage, moves to the lower or upper side of the fan motor along left and right sides of the fan motor; and a fourth exhaust passage guiding, to an exhaust port, the air having moved along the left and right sides of the third exhaust passage.