Fuel cell system
First Claim
Patent Images
1. A fuel cell system, comprising:
- a fuel cell body to generate electrical energy by using a reaction of hydrogen and oxygen;
a reformer to generate a reformed gas containing the hydrogen by reforming a fuel and supplying the reformed gas to the fuel cell body;
a case member to encase the fuel cell body and the reformer;
a refrigeration unit attached to the case member and including a first body and a second body;
a fuel tank arranged within the first body to store the fuel in a partially liquefied state, to supply the fuel to the reformer and to cool air within the first body by latent heat of vaporization of the fuel within the fuel tank;
the second body to receive and store the air from the first body that has been cooled by the latent heat of vaporization of the fuel in the fuel tank.
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Accused Products
Abstract
A fuel cell system includes a fuel cell body to generate electrical energy using a reaction of hydrogen and oxygen; a reformer to generate a reformed gas containing hydrogen by reforming fuel and to supply the reformed gas to the fuel cell body; a fuel tank to store the fuel in a partially liquefied state and to supply the fuel to the reformer; a case to encase the fuel cell body and the reformer; and a refrigeration unit attached to the case to store ambient air of the fuel tank, the ambient air of the fuel tank being cooled by latent heat of vaporization of the fuel.
5 Citations
20 Claims
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1. A fuel cell system, comprising:
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a fuel cell body to generate electrical energy by using a reaction of hydrogen and oxygen; a reformer to generate a reformed gas containing the hydrogen by reforming a fuel and supplying the reformed gas to the fuel cell body; a case member to encase the fuel cell body and the reformer; a refrigeration unit attached to the case member and including a first body and a second body; a fuel tank arranged within the first body to store the fuel in a partially liquefied state, to supply the fuel to the reformer and to cool air within the first body by latent heat of vaporization of the fuel within the fuel tank; the second body to receive and store the air from the first body that has been cooled by the latent heat of vaporization of the fuel in the fuel tank. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20)
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17. A fuel cell system comprising:
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a fuel cell body for generating electrical energy by using a reaction of hydrogen and oxygen; a reformer for generating a reformed gas containing the hydrogen by reforming fuel and supplying the reformed gas to the fuel cell body; a fuel tank for storing the fuel in a partially liquefied state, and supplying the fuel to the reformer; a case member for encasing the fuel cell body and the reformer; and a refrigeration unit mounted to the case member for storing ambient air of the fuel tank that is cooled by latent heat of vaporization of the fuel, wherein the refrigeration unit comprises; a first body having a plurality of vent holes, and forming an accommodation space for accommodating the fuel tank; a second body connected with the first body, and forming a cool air storing space that can communicate with the first body; and a fan arranged within an aperture between the first and second bodies, the cooling fan to draw in air into the first body of the fuel cell system from an outside to warm the fuel tank while drawing air from the first body cooled by the fuel tank into the second body, the second body being the refrigeration unit.
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Specification