公开(公告)号：US20230264131A1

公开(公告)日：2023-08-24

申请号：US18163336

申请日：2023-02-02

Applicant: MAKITA CORPORATION

Inventor： Kosuke KOMIYA ,  Junichi IWAKAMI ,  Kentaro NAKAHARA

IPC: B01D46/42 ,  B01D46/24 ,  B01D39/16 ,  B01D46/00 ,  A47L9/16 ,  A47L9/00 ,  A47L9/12

CPC classification number: B01D46/4236 ,  B01D46/24 ,  B01D39/1692 ,  B01D46/0005 ,  A47L9/1608 ,  A47L9/1666 ,  A47L9/0081 ,  A47L9/127 ,  B01D2273/28 ,  B01D2279/55

Abstract: A cyclonic, dust-collecting unit includes: one or more air swirling members, which swirl(s) air; a dust cap, into which air that has passed through the swirling member(s) flows; and a filter unit, through which air that flows out of the dust cap passes. The filter unit includes: a prefilter; a sound-absorbing member, through which air that has passed through the prefilter flows; and a post filter, through which air that has passed through the sound-absorbing member flows.