US 11,696,666 B2
Vacuum cleaner
Jungwan Ryu, Seoul (KR); Jinhyouk Shin, Seoul (KR); Kookhaeng Lee, Seoul (KR); and Dae Ho Chang, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Aug. 5, 2020, as Appl. No. 16/985,267.
Claims priority of application No. 10-2019-0157392 (KR), filed on Nov. 29, 2019.
Prior Publication US 2021/0161345 A1, Jun. 3, 2021
Int. Cl. A47L 9/20 (2006.01); A47L 9/10 (2006.01); A47L 9/30 (2006.01); A47L 9/16 (2006.01); A47L 9/14 (2006.01)
CPC A47L 9/20 (2013.01) [A47L 9/102 (2013.01); A47L 9/1409 (2013.01); A47L 9/1616 (2013.01); A47L 9/30 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A vacuum cleaner comprising:
a body including a space configured to allow air to flow therethrough;
a suction inlet configured to introduce the air into the body;
a suction motor provided in the body;
a dust separation module provided in the body and arranged between the suction inlet and the suction motor;
an exhaust module configured to discharge the air passing through the suction motor from the body, the exhaust module including at least one exhaust filter comprising a photocatalyst;
a lighting module provided in the body and configured to radiate light toward the at least one exhaust filter; and
a flow guide comprising a flow path forming wall installed in the body to guide at least two paths of the air moving from the suction inlet to the exhaust module,
wherein the lighting module comprises a lighting frame that forms a closed curve and is placed on the outer surface of the flow guide, and
wherein the dust separation module includes a filter unit configured to separate foreign substances from the air received from the suction inlet.