US 11,897,638 B2
Pressurized structure panel and cylinder
Hiromichi Akiyama, Tokyo (JP); Naoto Azusawa, Tokyo (JP); and Yutaka Terada, Tokyo (JP)
Assigned to MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo (JP)
Filed by MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo (JP)
Filed on Jul. 11, 2022, as Appl. No. 17/861,550.
Claims priority of application No. 2021-115987 (JP), filed on Jul. 13, 2021.
Prior Publication US 2023/0020582 A1, Jan. 19, 2023
Int. Cl. B64G 1/54 (2006.01); B64G 1/56 (2006.01)
CPC B64G 1/54 (2013.01) [B64G 1/56 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A pressurized structure panel for forming a pressurized space pressurized inside, the pressurized structure panel comprising:
a panel structure having a panel body to receive pressure, a rib provided in the panel body, and a hollow part formed by the panel body and the rib;
a radiation shielding material provided in the hollow part; and
a debris bumper outside the panel structure and spaced apart from the panel structure by a gap therebetween,
wherein the radiation shielding material includes a material containing hydrogen atoms in molecules.