US 11,739,760 B2
Blower
Yongmin Kim, Seoul (KR); Hoojin Kim, Seoul (KR); Chiyoung Choi, Seoul (KR); and Hyungho Park, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on May 27, 2021, as Appl. No. 17/332,681.
Claims priority of application No. 10-2020-0066278 (KR), filed on Jun. 2, 2020; application No. 10-2020-0066279 (KR), filed on Jun. 2, 2020; and application No. 10-2020-0066280 (KR), filed on Jun. 2, 2020.
Prior Publication US 2021/0372413 A1, Dec. 2, 2021
Int. Cl. F04D 25/08 (2006.01); F04D 25/06 (2006.01); F04D 29/44 (2006.01); F04F 5/16 (2006.01)
CPC F04D 25/08 (2013.01) [F04D 25/0606 (2013.01); F04D 29/441 (2013.01); F04F 5/16 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A blower comprising:
a first case having a suction port;
a fan provided inside the first case;
a second case provided above the first case and having an inner space;
a discharge port penetrating the second case and extending in a longitudinal direction of the second case;
a fan provided inside the first case and forming an air flow direction from the suction port to the discharge port; and
a plurality of flow guides provided in the inner space and extending in a direction crossing the longitudinal direction of the discharge port,
wherein each flow guide includes an upstream end and a downstream end for the air flow direction, the upstream end of one of the plurality of flow guides is inclined toward the fan more than the upstream end of another of the plurality of flow guides positioned farther from the fan than the one of the plurality of flow guides.