US 12,173,847 B2
High-pressure gas tank module
Manabu Fujii, Toyota (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Sep. 20, 2022, as Appl. No. 17/933,518.
Claims priority of application No. 2021-153104 (JP), filed on Sep. 21, 2021.
Prior Publication US 2023/0091329 A1, Mar. 23, 2023
Int. Cl. F17C 1/16 (2006.01)
CPC F17C 1/16 (2013.01) [F17C 2201/0109 (2013.01); F17C 2203/066 (2013.01); F17C 2205/0305 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A high-pressure gas tank module comprising:
a gas tank configured to store high-pressure gas, the gas tank comprising a cylindrical side wall extending along a center axis of the gas tank, and an end wall located at an end of the cylindrical side wall, wherein the end wall is curved outward in a dome-shape;
a protector fixed on an outer surface of the end wall of the gas tank; and
a boss located on the center axis and fixed on an inner surface of the end wall of the gas tank,
wherein
the boss comprises a joining surface joined to the inner surface of the end wall,
the protector comprises a facing surface facing the end wall, wherein the facing surface includes a joining area joined to the outer surface of the end wall and a non-joining area not joined to the outer surface of the end wall, the joining area is located along an inner peripheral end of the facing surface, and the non-joining area extends along the outer surface from an outer peripheral end of the joining area to an outer peripheral end of the facing surface,
the joining area of the protector faces the joining surface of the boss with the end wall interposed between the joining area and the joining surface, and
any part of the protector is not joined to the outer surface of the end wall in a region located radially outside a boundary between the joining area and the non-joining area.