US 11,786,854 B2
Ventilation assembly and air conditioning apparatus
Lianyu Shan, Beijing (CN)
Assigned to BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., Beijing (CN)
Filed by BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., Beijing (CN)
Filed on Jun. 28, 2021, as Appl. No. 17/360,952.
Claims priority of application No. 202120198593.2 (CN), filed on Jan. 25, 2021.
Prior Publication US 2022/0233985 A1, Jul. 28, 2022
Int. Cl. B01D 46/00 (2022.01); B01D 46/16 (2006.01); B01D 46/42 (2006.01); F24F 13/28 (2006.01)
CPC B01D 46/0006 (2013.01) [B01D 46/16 (2013.01); B01D 46/4227 (2013.01); F24F 13/28 (2013.01); B01D 2271/02 (2013.01); B01D 2279/35 (2013.01); B01D 2279/50 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A ventilation assembly, comprising:
a volute, a surface of the volute being provided with a mounting port;
a filter assembly arranged in the mounting port or in a portion of the volute adjacent to the mounting port, and configured to filter air; and
a sealing member arranged with the mounting port or with the portion of the volute adjacent to the mounting port, and configured to seal a gap between the filter assembly and the mounting port,
wherein a positioning groove is provided at the mounting port of the volute along a periphery of the mounting port, and the sealing member is arranged in the positioning groove,
wherein a difference between inner and outer radiuses of the sealing member is slightly greater than a distance between a top and a bottom of the positioning groove, so that the sealing member is in an interference fit with the filter assembly.