US 11,953,260 B2
Vacuum adiabatic body and refrigerator
Sol Han, Seoul (KR); Daewoong Kim, Seoul (KR); Wonyeong Jung, Seoul (KR); and Jangseok Lee, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Nov. 4, 2022, as Appl. No. 17/980,867.
Application 17/980,867 is a continuation of application No. 16/977,698, granted, now 11,519,662, previously published as PCT/KR2019/007761, filed on Jun. 26, 2019.
Claims priority of application No. 10-2018-0074264 (KR), filed on Jun. 27, 2018.
Prior Publication US 2023/0089951 A1, Mar. 23, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. F16L 59/065 (2006.01); F25B 13/00 (2006.01); F25D 23/06 (2006.01)
CPC F25D 23/066 (2013.01) [F16L 59/065 (2013.01); F25B 13/00 (2013.01); F25D 2201/14 (2013.01); Y10T 428/231 (2015.01)] 14 Claims
OG exemplary drawing
 
1. A vacuum adiabatic body, comprising:
a first plate;
a second plate, a vacuum space being provided between the first plate and the second plate; and
a plurality of bars extending in a thickness direction of the vacuum space,
wherein an equation:

OG Complex Work Unit Math
 is satisfied by the plurality of bars, and
wherein
E is an elastic modulus of a material forming at least one of the plurality of bars,
m is a radius of a short axis of a cross-sectional shape of one of the plurality of bars,
n is a radius of a long axis of the cross-sectional shape, and
a is a distance between two adjacent ones of the plurality of bars.