US 11,982,405 B1
Storage container for liquefied gas
Ying Wei, Shanghai (CN); and Wei He, Shanghai (CN)
Assigned to SINOTECH ENERGY CO., LTD., Shanghai (CN)
Filed by SINOTECH ENERGY CO., LTD., Shanghai (CN)
Filed on Jul. 24, 2023, as Appl. No. 18/225,376.
Claims priority of application No. 202310254288.4 (CN), filed on Mar. 16, 2023.
Int. Cl. F17C 1/00 (2006.01)
CPC F17C 1/005 (2013.01) [F17C 2203/0612 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A storage container for liquefied gas, comprising a bottom wall and a side wall, wherein the bottom wall comprises a bottom wall base layer and a bottom wall sealing layer covering a top side of the bottom wall base layer, and wherein the bottom wall sealing layer comprises:
a central section;
at least one annular section disposed around the central section, each of the at least one annular section comprising:
a plurality of first sealing plates and a plurality of second sealing plates, which are alternately arranged in a circumferential direction, wherein the first sealing plates have a circumferential size gradually reduced in a radially inward direction, and the second sealing plates have a circumferential size gradually expanded in the radially inward direction; and
first sealing connectors arranged between and fixing the adjacent first sealing plates and second sealing plates on the bottom wall base layer.