US 11,864,717 B2
Cleaner
Jongchan Lee, Seoul (KR); Geunbae Hwang, Seoul (KR); and Goondong Park, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 16/960,629
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Jan. 9, 2019, PCT No. PCT/KR2019/000337
§ 371(c)(1), (2) Date Jul. 8, 2020,
PCT Pub. No. WO2019/139350, PCT Pub. Date Jul. 18, 2019.
Claims priority of application No. 10-2018-0002977 (KR), filed on Jan. 9, 2018.
Prior Publication US 2020/0329932 A1, Oct. 22, 2020
Int. Cl. A47L 9/00 (2006.01); G10K 11/178 (2006.01); A47L 9/16 (2006.01); A47L 9/28 (2006.01); G10K 11/16 (2006.01)
CPC A47L 9/0081 (2013.01) [A47L 9/1641 (2013.01); A47L 9/2884 (2013.01); G10K 11/161 (2013.01); G10K 11/17883 (2018.01); G10K 2210/105 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A cleaner comprising:
a main body configured to form an airflow path through which air is sucked and exhausted;
a dust separation unit disposed in the airflow path and separating dust from the air;
a fan module disposed in the airflow path and causing the air to flow; and
a noise control module including a speaker and controlling an output of the speaker to increase a level of a noise of a specific frequency range, when the fan module is operated,
wherein the main body includes an exhaust outlet through which air in the airflow path is exhausted and a sound outlet through which a sound of the speaker is exhausted,
wherein the exhaust outlet and the sound outlet face the same direction relative to the main body, and
wherein the sound outlet is provided separately from the exhaust outlet.