US Patent 9320166 Multi-shelf power-pooling bus

A system includes a rack, a plurality of shelves, a plurality of shelf-mountable electrical systems, and an inter-shelf power-pooling bus. The inter-shelf power-pooling bus is coupled to a power output of a shelf power supply mechanism on each of the shelves and a power input of a shelf computing device on each of the shelves. The inter-shelf power-pooling bus supplies pooled power from the shelf power supply mechanisms coupled to the inter-shelf power bus to the shelf computing devices coupled to the inter-shelf power-pooling bus.