US 12,117,021 B2
Blower
Jaehyuk Jung, Seoul (KR); Seokho Choi, Seoul (KR); Hyungho Park, Seoul (KR); Hoojin Kim, Seoul (KR); Inbeom Cheon, Seoul (KR); Changhoon Lee, Seoul (KR); Juhyun Kim, Seoul (KR); Yongmin Kim, Seoul (KR); and Chiyoung Choi, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Jun. 1, 2021, as Appl. No. 17/335,810.
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; application No. 10-2020-0066280 (KR), filed on Jun. 2, 2020; application No. 10-2020-0072338 (KR), filed on Jun. 15, 2020; and application No. 10-2020-0118174 (KR), filed on Sep. 15, 2020.
Prior Publication US 2021/0372437 A1, Dec. 2, 2021
Int. Cl. F04D 29/70 (2006.01); F04D 25/08 (2006.01); F04D 29/44 (2006.01); F04F 5/16 (2006.01)
CPC F04D 29/703 (2013.01) [F04D 25/08 (2013.01); F04D 29/441 (2013.01); F04F 5/16 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A blower, comprising:
a lower body having a suction hole and extending in vertical direction;
an upper body disposed above the lower body and having a discharge slit extending in vertical direction, wherein the discharge slit is biased with respect to a longitudinal axis of the lower body to a first direction;
a fan provided inside the lower body and configured to suction air through the suction hole and discharge air out of the discharge slit;
a filter provided inside the lower body between the fan and the suction hole and extending in vertical direction, and having a cylindrical shape with a central hole penetrating the filter in vertical direction, wherein a longitudinal center axis of the filter is biased with respect to the longitudinal center axis of the lower body to a second direction opposite to the first direction; and
a plurality of columns provided between an outer side of the filter and an inner side of the lower body, and
wherein the filter is detachable through front side of the lower body, and
wherein the plurality of columns include:
a first column provided at a rear side of the filter;
a second column provided at a left side of the filter and having a rear end and a front end; and
a third column provided at a right side of the filter and having a rear end and a front end, a left-right direction from the left side to the right side of the filter being perpendicular to the vertical direction, and
wherein:
a distance between the rear end of the second column and the rear end of the third column is smaller than an outer diameter of the filter; and
a distance between the front end of the second column and the front end of the third column is greater than or equal to the outer diameter of the filter.