US 12,241,633 B2
Range hood and method for controlling the same
Sangjin Lee, Suwon-si (KR); Sangjin Kim, Suwon-si (KR); and Changhoon Oh, Suwon-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Dec. 29, 2022, as Appl. No. 18/090,489.
Application 18/090,489 is a continuation of application No. PCT/KR2022/020175, filed on Dec. 13, 2022.
Claims priority of application No. 10-2022-0027669 (KR), filed on Mar. 3, 2022.
Prior Publication US 2023/0280043 A1, Sep. 7, 2023
Int. Cl. F24C 15/20 (2006.01)
CPC F24C 15/20 (2013.01) [F24C 15/2021 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A range hood comprising:
a first case including a first inlet formed on a lower surface and a damper formed on an upper surface;
a second case arranged over the first case to form a space in which a fan module is arranged and including a second inlet formed on a side surface;
a first sensor arranged in the second case and configured to detect a contaminant;
a second sensor arranged above the first sensor and configured to detect the contaminant; and
a controller configured to control an output level of the fan module and to open or close the damper based on concentration data of the contaminants obtained from the first sensor and the second sensor.