Fuel cell unit and composite block of fuel cells
AssigneeElringKlinger AG
InventorArmin Diez
Life of this patent
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Abstract
In order to provide a fuel cell unit, comprising a housing which limits at least one gas chamber and has a gas opening in a first housing wall and a gas opening in a second housing wall located opposite the first housing wall, the housing of which has an adequate deformation stability in relation to the sealing surface pressure required for a flat seal even at high temperatures, it is suggested that the fuel cell unit comprise at least one supporting element which is arranged between the first housing wall and the second housing wall and keeps the two housing walls at a distance from one another.
Claims35
Fuel cell unit, comprising a housing limiting at least one gas chamber and having a gas opening in a first housing wall and a gas opening in a second housing wall located opposite the first housing wall, and at least one supporting element arranged between the first housing wall and the second housing wall and keeping the first housing wall and the second housing wall at a distance from one another, wherein said gas chamber is in fluid communication with at least one of said gas openings in the first housing wall and the second housing wall va said supporting element, and wherein at least one part of the supporting element is formed by a single or multiple bending of an edge area of the gas opening provided in the first housing wall or of an edge area of the gas opening provided in the second housing wall.
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Dependencies are inferred from the claim text.