公开(公告)号：US20180283766A1

公开(公告)日：2018-10-04

申请号：US15518502

申请日：2016-08-01

Applicant: LG ELECTRONICS INC.

Inventor： Kwangsoo JUNG ,  Woocheol KANG ,  Yonggap PARK ,  Geunhyung LEE ,  Jongmin LEE ,  Hyunwoo CHO

IPC: F25D21/08 ,  F28D15/02 ,  F25B47/02 ,  F25B39/02 ,  F28F1/40 ,  F28F1/12

Abstract: The present disclosure discloses a defrosting device, including a heating unit provided in an evaporator; and a heat pipe, both end portions of which are connected to an inlet and an outlet of the heating unit, respectively, and at least part of which is disposed adjacent to a cooling tube to dissipate heat to the cooling tube of the evaporator due to high-temperature working fluid heated and transferred by the heating unit, wherein the heating unit includes a heater case provided with a vacant space therein, and provided with the inlet and the outlet at positions separated from each other, respectively, along a length direction; and a heater attached to an outer surface of the heater case to heat working fluid within the heater case.

公开(公告)号：US20180245826A1

公开(公告)日：2018-08-30

申请号：US15555757

申请日：2016-08-01

Applicant: LG ELECTRONICS INC.

Inventor： Kwangsoo JUNG ,  Woocheol KANG ,  Geunhyung LEE ,  Gwinan HWANG

IPC: F25B39/02 ,  F25B47/02 ,  F25D21/08

Abstract: Disclosed is an evaporator including a case formed in an empty box type and having a storage chamber therein; a cooling tube formed on the case in a preset pattern and filled with refrigerant for cooling therein; a heating tube formed on the case in a preset pattern so as not to be overlapped with the cooling tube and filled with working fluid for defrosting therein; and a heating unit fixed to an external surface of the case corresponding to the heating tube and configured to heat the working fluid within the heating tube.

公开(公告)号：US20180106526A1

公开(公告)日：2018-04-19

申请号：US15557708

申请日：2016-08-01

Applicant: LG ELECTRONICS INC.

Inventor： Jeongwoong KIM ,  Woocheol KANG ,  Geunhyung LEE ,  Gwinan HWANG

IPC: F25D21/08 ,  F25D21/00 ,  F25B39/02 ,  H05B3/56

Abstract: The present disclosure relates to an evaporator, including an evaporator case formed in a box shape with both sides open in a manner of bending two case sheets coupled to each other, a cooling tube left as an empty space between the two case sheets to form a cooling passage for a flow of refrigerant, a heating tube left as an empty space between the two case sheets in a non-overlapping manner with the cooling tube, and a heating wire heater inserted into the heating tube to surround the evaporator case, and generating heat, in response to power supplied, such that heat for defrosting is transferred to the evaporator case.

公开(公告)号：US20170131018A1

公开(公告)日：2017-05-11

申请号：US15348058

申请日：2016-11-10

Applicant: LG ELECTRONICS INC.

Inventor： Youngjae SHIN ,  Kwangsoo JUNG ,  Woocheol KANG ,  Geunhyung LEE

IPC: F25D21/06 ,  F25D21/12 ,  F25D11/02 ,  F25D21/08

CPC classification number: F25D21/06 ,  F25B2400/01 ,  F25D21/065 ,  F25D21/08 ,  F25D21/10 ,  F25D21/12 ,  F25D21/125 ,  F28D1/0477 ,  F28D15/0266 ,  F28F1/32 ,  F28F17/00 ,  F28F19/006 ,  F28F2210/04 ,  F28F2215/04 ,  F28F2275/06

Abstract: The present disclosure discloses a defrosting device, including a heating unit provided at a lower side of an evaporator, and configured to heat working fluid therein; and a plurality of heat pipes, both end portions of which are connected to an inlet and an outlet of the heating unit, respectively, and at least part of which are disposed adjacent to a cooling tube of the evaporator to emit heat to the cooling tube due to high temperature working fluid heated and transferred by the heating unit, wherein the plurality of heat pipes are configured with a first heat pipe and a second heat pipe disposed to form two rows on a front portion and a rear portion of the evaporator, respectively, and the first heat pipe and the second heat pipe are formed in different lengths.