公开(公告)号：US20180266736A1

公开(公告)日：2018-09-20

申请号：US15918292

申请日：2018-03-12

Applicant: LG ELECTRONICS INC.

Inventor： Seokhyun KIM ,  Minkyu OH ,  Heayoun SUL ,  Jeehoon CHOI ,  Hyoungkeun LIM

IPC: F25B21/04 ,  F25B47/02 ,  F25D17/06

CPC classification number: F25B21/04 ,  F25B21/02 ,  F25B47/02 ,  F25B2321/0211 ,  F25B2321/0212 ,  F25B2321/0251 ,  F25B2500/19 ,  F25B2600/11 ,  F25B2700/02 ,  F25B2700/2104 ,  F25D17/062 ,  F25D21/06 ,  F25D21/08 ,  F25D2700/12

Abstract: A refrigerator may include a sensor configured to measure temperature, a thermoelectric device module having at least one fan and configured to cool the storage compartment; and a controller that controls a rotation speed of the fan. The rotation speed of the fan may be determined based on at least one of whether a storage compartment temperature condition measured by the sensor exists or whether an initial power input condition exists. The thermoelectric device module may be controlled differently in a first temperature region, in a second temperature region, and in a third temperature region of the storage compartment. When an initial power condition exist such that power is initially supplied to the refrigerator, the fan is controlled to spin at a rotation speed that exceeds a rotation speed corresponding to the third temperature region until a preset temperature within the second temperature region is reached.

公开(公告)号：US20180112895A1

公开(公告)日：2018-04-26

申请号：US15788164

申请日：2017-10-19

Applicant: LG ELECTRONICS INC.

Inventor： Jeehoon CHOI ,  Heayoun SUL ,  Seokhyun KIM ,  Minkyu OH ,  Hyoungkeun LIM

IPC: F25B21/02 ,  F28D15/02

CPC classification number: F25B21/02 ,  F25B2321/023 ,  F25B2321/0251 ,  F28D15/0275 ,  H01L35/28

Abstract: A thermoelectric module that has a thermoelectric element, an axial flow fan, and a heat sink and that is installed at a rear wall of the storage chamber to cool the storage chamber. The heat sink has a base configured to come in surface contact with the thermoelectric element, fins protruding from the base toward the axial flow fan and spaced apart from each other, and heat pipes having base passing portions passing through the base and fin passing portions passing through the fins and configured to transfer heat from the base to the fins. Each of the fins includes a first part arranged opposite to the hub and a second part disposed at one of both sides of the first part to face the vanes and protruding further from the base toward the axial flow fan than the first part.