US 11,719,478 B2
Ice maker and refrigerator including the same
Donghoon Lee, Seoul (KR); Wookyong Lee, Seoul (KR); Seungseob Yeom, Seoul (KR); Sunggyun Son, Seoul (KR); Donghoon Lee, Seoul (KR); and Chongyoung Park, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/281,805
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Oct. 2, 2019, PCT No. PCT/KR2019/012941
§ 371(c)(1), (2) Date Mar. 31, 2021,
PCT Pub. No. WO2020/071802, PCT Pub. Date Apr. 9, 2020.
Claims priority of application No. 10-2018-0117783 (KR), filed on Oct. 2, 2018; application No. 10-2018-0142117 (KR), filed on Nov. 16, 2018; and application No. 10-2019-0081688 (KR), filed on Jul. 6, 2019.
Prior Publication US 2021/0389034 A1, Dec. 16, 2021
Int. Cl. F25C 1/18 (2006.01); F25C 1/24 (2018.01); F25C 5/08 (2006.01)
CPC F25C 1/18 (2013.01) [F25C 1/24 (2013.01); F25C 5/08 (2013.01); F25C 2400/10 (2013.01); F25C 2600/04 (2013.01); F25C 2700/12 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An ice maker comprising:
a first tray configured to define a first portion of a cell;
a second tray configured to define a second portion of the cell;
a heater configured to be disposed adjacent to one of the first tray and the second tray; and
a controller configured to control the heater,
wherein the heater is configured to be turned on while cold air is provided to the cell, and
wherein in a state in which the heater is turned on, the controller is configured to control the heater to vary an output of the heater while the cold air is provided to the cell, the controller is configured to operate the heater at a first output for a first time period and then the controller is configured to operate the heater at a second output greater than the first output for a second time period,
wherein the first time period is different from the second time period, and
the first output is greater than a difference between the first output and the second output.