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US 2006/0068264 A1Published application
Fuel cell stack
AssigneeHonda Motor Co., Ltd.
InventorsAyumu Ishizuka, Hideaki Kikuchi, Go Morimoto
Life of this patent
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Abstract
A side plate of a casing includes bracket members and a surface member. Each of the bracket members includes three second coupling portions and a plate-shaped attachment portion provided integrally with the second coupling portions. A coupling pin is inserted into the second coupling portions. The surface member is joined to the plate-shaped attachment portion. The bracket member includes a step fitted to an end of the surface member. The plate-shaped attachment portion and the surface member are jointed at a spot welding section including spots in a zigzag pattern.
Claims6
A fuel cell stack comprising:
- a box-shaped casing;
- and
- a stack body provided in said casing, said stack body being formed by stacking a plurality of unit cells, said unit cells each including an electrolyte electrode assembly and separators sandwiching said electrolyte electrode assembly, said electrolyte electrode assembly including a pair of electrodes, and an electrolyte interposed between said electrodes, wherein said casing comprises:
- end plates provided at opposite ends of said stack body in the stacking direction;
- a plurality of side plates provided on sides of said stack body;
- and
- a coupling pin for coupling said end plate and said side plate, and wherein
- said side plate comprises:
- a bracket member including a plurality of cylindrical insertion portions and a plate-shaped attachment portion provided integrally with said cylindrical insertion portions, said coupling pin being inserted into said cylindrical coupling portions;
- and
- a surface member forming a side surface of said casing, said surface member being joined to said plate-shaped attachment portion.
8 more elements
Dependencies are inferred from the claim text.