US 12,392,452 B2
LNG storage tank and ship having thereof
Sang-Hun Son, Gangnam-gu (KR); Myung-Hyun Noh, Incheon (KR); and Eung-Soo Kim, Incheon (KR)
Assigned to POSCO, Pohang-si (KR)
Appl. No. 17/786,284
Filed by POSCO, Pohang-si (KR)
PCT Filed Dec. 4, 2020, PCT No. PCT/KR2020/017657
§ 371(c)(1), (2) Date Jun. 16, 2022,
PCT Pub. No. WO2021/125646, PCT Pub. Date Jun. 24, 2021.
Claims priority of application No. 10-2019-0169979 (KR), filed on Dec. 18, 2019.
Prior Publication US 2023/0027991 A1, Jan. 26, 2023
Int. Cl. F17C 7/00 (2006.01); B63B 25/16 (2006.01); B63H 21/38 (2006.01); F17C 9/00 (2006.01); B63B 25/08 (2006.01)
CPC F17C 7/00 (2013.01) [B63B 25/16 (2013.01); B63H 21/38 (2013.01); F17C 9/00 (2013.01); B63B 25/08 (2013.01); F17C 2205/0352 (2013.01); F17C 2223/0161 (2013.01); F17C 2227/0135 (2013.01); F17C 2265/066 (2013.01); F17C 2270/0105 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A liquefied gas storage tank, comprising:
a tank unit in which liquefied gas is stored;
an inner box unit that is disposed inside the tank unit and installed at a bottom portion of the tank unit; and
a pump unit that has an inlet pipe formed to pass through a lower wall portion of the inner box unit and communicate with the inside of the inner box unit, and suctions the liquefied gas stored in the tank unit through the inlet pipe and supplies the liquefied gas to the outside,
wherein the inner box unit is formed to be depressed downwardly from the bottom portion of the tank unit, and
wherein the lower wall portion of the inner box unit is formed at a lower height than the bottom portion of the tank unit.