VACUUM ADIABATIC BODY AND REFRIGERATOR

WIPO Patent Application WO/2022/092948

A1

A vacuum adiabatic body of the present embodiment may include a first plate, a second plate, a seal configured to seal the first plate and the second plate to provide a vacuum space; and a support configured to maintain the vacuum space. Optionally, the support may include a first support having a first support plate formed in a grid shape, and a plurality of spacer coupling portions protruding from the first support plate. Optionally, the support may include a second support having a second support plate formed in a grid shape, and a plurality of spacers protruding from the second support plate and coupled to each of the plurality of spacer coupling portions to form a plurality of bars together with the plurality of spacer coupling portions. Optionally, the support may include a radiation resistance sheet supported by a portion of the plurality of bars and spaced apart from at least one of the first support plate and the second support plate. Optionally, each of the support plates may includes a plurality of through-holes. Optionally, one through-hole may be defined by a pair of first extension portions and a pair of second extension portions crossing the pair of first extension portions, and a hydraulic diameter of each of the extension portions may be 1 or more and 2.5 or less.

JUNG WONYEONG (KR)
YOUN DEOKHYUN (KR)
KIM BONGJIN (KR)
KI DUCHAN (KR)

PCT/KR2021/015526

May 05, 2022

November 01, 2021

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LG ELECTRONICS INC (KR)

F16L59/065; B23K1/00; F16L59/02; F16L59/08; F25D23/02; F25D23/06

WO2017023075A1

2017-02-09

KR20190018835A	2019-02-26
US20180224197A1	2018-08-09
KR20190013345A	2019-02-11
KR20100099629A	2010-09-13

HAW, Yong Noke (KR)

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