Fuel container for fuel cell

Abstract

A fuel container ( 1 ) for supplying fuel (F) to a fuel cell is constituted by: a container main body ( 2 ) having a sealed structure; an inner container ( 3 ) for housing the fuel therein, formed by a flexible bag provided within the container main body; a valve mechanism ( 4 ) for enabling/disabling supply of fuel, provided in the container main body ( 2 ) and in communication with the interior of the inner container ( 3 ); and compressed gas (G) for ejecting the fuel, sealed between the container main body ( 2 ) and the inner container ( 3 ). All of the structural components that contact the fuel (F) are formed of non-metallic materials. The fuel container ( 1 ) may also include an injection valve ( 5 ). In this case, a fuel injecting container reinjects fuel (F) into the fuel container ( 1 ), such that the fuel container ( 1 ) can be used repeatedly.

1 . A fuel container for housing fuel to be supplied to a fuel cell, comprising: 
 a container main body having a sealed structure;    an inner container for housing the fuel therein, formed by a flexible bag provided within the container main body;    a valve mechanism for enabling/disabling supply of fuel, provided in the container main body and in communication with the interior of the inner container;    an injection valve for injecting fuel, provided in the container main body and in communication with the interior of the inner container; and    compressed gas for ejecting the fuel, sealed between the container main body and the inner container;    all of the structural components that contact the fuel being formed of non-metallic materials; and    the fuel container being mountable on the fuel cell to directly supply fuel thereto.    
   
   
       2 . A fuel container for housing fuel to be supplied to a fuel cell, comprising: 
 a container main body having a sealed structure;    an inner container for housing the fuel therein, formed by a flexible bag provided within the container main body;    a valve mechanism for enabling/disabling supply of fuel and for injecting fuel, provided in the container main body and in communication with the interior of the inner container; and    compressed gas for ejecting the fuel, sealed between the container main body and the inner container;    all of the structural components that contact the fuel being formed of non-metallic materials; and    the fuel container being mountable on the fuel cell to directly supply fuel thereto.    
   
   
       3 . A fuel container for housing fuel to be supplied to a fuel cell, comprising: 
 a container main body having a sealed structure;    an inner container for housing the fuel therein, formed by a flexible bag provided within the container main body;    a valve mechanism for enabling/disabling supply of fuel, provided in the container main body and in communication with the interior of the inner container; and    compressed gas for ejecting the fuel, sealed between the container main body and the inner container at a pressure higher than a fuel pressure of a fuel container, which is mounted on the fuel cell to directly supply fuel thereto;    all of the structural components-that contact the fuel being formed of non-metallic materials; and    the fuel container being mountable on the fuel container, which is mounted on the fuel cell, to reinject fuel therein.    
   
   
       4 . A fuel container for housing fuel to be supplied to a fuel cell, comprising: 
 a cylindrical container main body for housing the fuel therein;    a piston shaped extruding member, which is manually operated to slide within the container main body in an airtight manner so as to pressurize the fuel;    a valve mechanism for enabling/disabling supply of fuel, provided in the container main body;    all of the structural components that contact the fuel being formed of non-metallic materials; and    the fuel container being mountable on a fuel container, which is mounted on the fuel cell, to reinject fuel therein.    
   
   
       5 . A fuel container as defined in any one of claims  1  through  4 , wherein: 
 the container main body is formed by a transparent material.