US Patent 10589614 Reinforcement structure

A reinforcement structure for protection of a vehicle power source, e.g. a battery pack or a fuel cell. The reinforcement structure extends in a first, a second and a third direction (D1, D2, D3) being perpendicular to each other, wherein an extension of the reinforcement structure is at least 5 times larger in the first and second directions than in the third direction. The reinforcement structure has a tapered shape as seen in a plane spanned by the first and second directions. The present disclosure also relates to a reinforcement unit, a vehicle power source arrangement and a vehicle utilizing such reinforcement structure.