FUEL CARTRIDGE AND ELASTIC MEMBER

摘要

PROBLEM TO BE SOLVED: To provide a fuel cartridge which has a simple structure and may maintain a fuel supply pressure in a certain range, and to provide an elastic member.SOLUTION: The fuel cartridge includes: an outer container 21; a flexible inner container 22 which is provided in the outer container 21 and stores a liquid or gaseous fuel; a supply body 12 which is connected with the inner container 22 and supplies the fuel to the exterior; and an elastic member 23 which is provided in the outer container 21 so as to be located between the outer container 21 and the inner container 22 and presses the inner container 22, the elastic member 23 where compression stress is reduced toward the supply body 12.