公开(公告)号：US11719378B2

公开(公告)日：2023-08-08

申请号：US17831604

申请日：2022-06-03

Applicant: LG ELECTRONICS INC.

Inventor： Wonyeong Jung ,  Deokhyun Youn

IPC: F25D23/06 ,  F16L59/065

CPC classification number: F16L59/065 ,  F25D23/063 ,  F25D23/065 ,  F25D2201/14

Abstract: A vacuum adiabatic body includes a first plate, a second plate, a space between the first plate and the second plate configured to be a vacuum state, a support including at least a pair of support plates that maintain a distance between the first and second plates, and at least one radiation resistance sheet provided between the pair of support plates to reduce heat transfer between the first plate and the second plate.

公开(公告)号：US11674720B2

公开(公告)日：2023-06-13

申请号：US16961637

申请日：2019-01-08

Applicant: LG ELECTRONICS INC. ,  KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION

Inventor： Hyeunsik Nam ,  Deokhyun Youn ,  Sungsub Lee ,  Jangseok Lee ,  Chungwoo Jung ,  Yongtae Kang ,  Hansol Jung

IPC: F25B15/10 ,  C09K5/04

CPC classification number: F25B15/10 ,  C09K5/047

Abstract: A diffusion absorption refrigeration apparatus includes a bubble pump; a gas-liquid separator; a condenser; a gas branch pipe; an evaporator; an absorber; a gas heat exchanger; a storage tank; and a solution heat exchanger, in which a single material of trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)) and 2,3,3,3-tetrafluoropropene (R-1234yf), which have a low global warming potential (GWP), or a mixture thereof at a predetermined ratio is used as a refrigerant. Accordingly, the stability is high and a low GWP can be achieved.

公开(公告)号：US11603025B2

公开(公告)日：2023-03-14

申请号：US17123225

申请日：2020-12-16

Applicant: LG ELECTRONICS INC.

Inventor： Wonyeong Jung ,  Myoungju Kang ,  Deokhyun Youn ,  Sungsub Lee ,  Sora Kim ,  Daewoong Kim ,  Jangseok Lee

IPC: B60N3/10 ,  B60R7/04 ,  F25B21/04 ,  F25D19/00 ,  F25D23/08 ,  F25D23/02 ,  F25D23/06 ,  F25B21/02

Abstract: A vacuum insulator including a heat diffusion block placed in a vacuum space; a thermoelectric module, in the vacuum space, coming into contact with the heat diffusion block so as to exchange heat therewith: and a heat sink exchanging heat with the thermoelectric module and placed in a first space or a second place. High heat-insulation performance and heat-transfer performance can be obtained.

公开(公告)号：US11598573B2

公开(公告)日：2023-03-07

申请号：US17114950

申请日：2020-12-08

Applicant: LG ELECTRONICS INC.

Inventor： Wonyeong Jung ,  Deokhyun Youn ,  Sungsub Lee

IPC: F25D23/02 ,  F25D23/06 ,  F25D23/08 ,  F25D19/00

Abstract: A vacuum adiabatic body may include: a first plate member; a second plate member; a sealing part sealing the first plate member and the second plate member to provide a third space; a supporting unit maintaining the third space; a heat resistance unit at least including a conductive resistance sheet capable of resisting heat conduction flowing along a wall for the third space to decrease a heat transfer amount between the first plate member and the second plate member; and an exhaust port through which a gas in the third space is exhausted. A side frame may be fastened to the conductive resistance sheet and the second plate member, and the side frame is fastened to an edge portion of the second plate member. Accordingly, the formation of dews may be prevented and an adiabatic effect may be improved.

公开(公告)号：US11585591B2

公开(公告)日：2023-02-21

申请号：US17021582

申请日：2020-09-15

Applicant: LG ELECTRONICS INC.

Inventor： Wonyeong Jung ,  Deokhyun Youn

IPC: F25D23/06 ,  F16L59/065 ,  F25D19/00 ,  F25D23/02 ,  F25D23/08

Abstract: A vacuum adiabatic body includes a first plate; a second plate; a seal; a support; a heat resistance unit; and an exhaust port, wherein the heat resistance unit includes a conductive resistance sheet connected to at least one of the first and second plates, the conductive resistance sheet resisting heat conduction flowing along a wall for the third space, the conductive resistance sheet includes a mounting part mounted on the first or second plate and a curved part having at least one portion depressed into the third space, a coupler that fixes the conductive resistance sheet to the first or second plate is formed on the mounting part, and the curved part includes a first curved part depressed toward the third space and a second curved part extending from the first curved part, the second curved part surrounding an edge portion of the first or second plate.

公开(公告)号：US11365931B2

公开(公告)日：2022-06-21

申请号：US16942262

申请日：2020-07-29

Applicant: LG ELECTRONICS INC.

Inventor： Wonyeong Jung ,  Deokhyun Youn

IPC: F25D23/06 ,  F16L59/065 ,  F25D19/00 ,  F25D23/08 ,  F25D23/02

Abstract: A vacuum adiabatic body includes: a first plate, a second plate, a sealing part sealing the first plate and the second plate to provide a third space, a supporting unit maintaining the third space, and a heat resistance unit for decreasing a heat transfer amount between the first plate and the second plate. The second plate may include a front part and a side part having a different extending direction from the front part, and the side part defines at least one portion of a wall for the third space.

公开(公告)号：US11346594B2

公开(公告)日：2022-05-31

申请号：US16445425

申请日：2019-06-19

Applicant: LG Electronics Inc.

Inventor： Wonyeong Jung ,  Deokhyun Youn

IPC: F25D23/06

Abstract: There is disclosed a refrigerator including a vacuum space formed between an outer case and an inner case to improve an insulation function thereof, which includes an inner case that defines an exterior appearance of a storage space, an outer case spaced apart a predetermined distance from the inner case, a vacuum space provided between the inner case and the outer case, with being maintained vacuum, to insulate the inner case from the outer case, a plurality of spacers for supporting the inner case and the outer case space that are spaced apart from each other, and a radiation blocking film provided in the vacuum space, spaced apart from the inner case and the outer case.

公开(公告)号：US20210239387A1

公开(公告)日：2021-08-05

申请号：US17170005

申请日：2021-02-08

Applicant: LG ELECTRONICS INC.

Inventor： Wonyeong Jung ,  Deokhyun Youn ,  Daewoong Kim

IPC: F25D23/02 ,  F25D19/00 ,  F25D23/08 ,  F25D23/06 ,  F16L59/065

Abstract: A vacuum adiabatic body includes a first plate defining at least one portion of a wall of a first space; a second plate defining at least one portion of a wall of a second space having a different temperature from the first space; a seal that seals the first plate and the second plate to provide a third space that has a temperature between the temperature of the first space and the temperature of the second space and is in a vacuum state; a support to maintain the third space; an exhaust port through which a gas in the third space is exhausted; a peripheral adiabatic material, as a previously formed separate molded product, fixed to an edge of the third space; and a gasket having at least one portion fixed to the peripheral adiabatic material to provide a boundary between the first space and the second space.

公开(公告)号：US20210123658A1

公开(公告)日：2021-04-29

申请号：US17114950

申请日：2020-12-08

Applicant: LG ELECTRONICS INC.

Inventor： Wonyeong JUNG ,  Deokhyun Youn ,  Sungsub Lee

IPC: F25D23/02 ,  F25D23/06 ,  F25D23/08 ,  F25D19/00

Abstract: A vacuum adiabatic body may include: a first plate member; a second plate member; a sealing part sealing the first plate member and the second plate member to provide a third space; a supporting unit maintaining the third space; a heat resistance unit at least including a conductive resistance sheet capable of resisting heat conduction flowing along a wall for the third space to decrease a heat transfer amount between the first plate member and the second plate member; and an exhaust port through which a gas in the third space is exhausted. A side frame may be fastened to the conductive resistance sheet and the second plate member, and the side frame is fastened to an edge portion of the second plate member. Accordingly, the formation of dews may be prevented and an adiabatic effect may be improved.

公开(公告)号：US10987757B2

公开(公告)日：2021-04-27

申请号：US15771186

申请日：2016-08-02

Applicant: LG ELECTRONICS INC. ,  UNIST (Ulsan National Institute of Science and Technology)

Inventor： Wonyeong Jung ,  Deokhyun Youn ,  Jangseok Lee ,  Hyungson Ki

IPC: B23K26/08 ,  F25D23/06 ,  B23K37/04 ,  B23K26/12 ,  B23K26/20 ,  B23K26/28 ,  B23K26/244 ,  B23K101/12

Abstract: A refrigerator includes a vacuum adiabatic body including a conductive resistance sheet providing a vacuum space that has a temperature between a temperature of an internal space and a temperature of an external space and is in a vacuum state, the conductive resistance sheet capable of resisting heat conduction between a first plate and a second plate, wherein at least one of the conductive resistance sheet and each of the first and second plates are welded to each other to create a welding part, wherein a plurality of regular beads are provided to a surface of the welding part, and wherein the plurality of regular beads includes: a parabolic inflection region provided at a center portion; linear regions respectively provided at both outsides of the inflection region; and edge regions respectively provided at outsides of the linear regions.