Patent ID: 11936007
Assignee: HAMILTON SUNDSTRAND CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A battery system comprising:
a plurality of battery cells abutting one another to form a plurality of battery cell stacks wherein each stack of battery cells includes a respective stack interface;
a plurality of optical communication links, a respective one of the plurality of optical communication links connected to each of the plurality of battery cells in a respective one of the plurality of battery stacks;
a plurality of secondary battery management system (sBMS), each sBMS connected to a respective one of the plurality of optical communication links configured and adapted to receive information from the respective optical communication link, wherein each sBMS is operatively connected to a plurality of sensors within each battery cell of a given battery cell stack via the optical communication link; and
a main BMS operatively connected to each of the plurality of sBMS, wherein the main BMS includes an annular housing and a motor drive assembly positioned within an inner diameter hole of the annular housing configured and adapted to drive circulation of a heat transfer fluid around the plurality of battery cell stacks.