公开(公告)号：US11661953B2

公开(公告)日：2023-05-30

申请号：US17176287

申请日：2021-02-16

Applicant: LG ELECTRONICS INC.

Inventor： Youjoon Song ,  Minsu Son ,  Seungjo Baek

IPC: F04D29/44 ,  F04D29/42

CPC classification number: F04D29/445 ,  F04D29/4293

Abstract: A pump includes a housing which forms a suction chamber and a discharge chamber therein; a suction nozzle which is disposed in one side of the housing, and communicates with the suction chamber; a discharge nozzle which is disposed in the other side of the housing, and communicates with the discharge chamber; a partition wall which partitions the suction chamber and the discharge chamber, and has a communication hole, which communicates the suction chamber and the discharge chamber, that is formed at a central portion; and a plurality of baffles which are disposed inside the suction chamber, and guide fluid introduced through the suction nozzle to the communication hole, wherein the plurality of baffles have different lengths and are separated apart from each other in a circumferential direction in an upper side of the partition wall.