Patent ID: 9478832
Filing Date: 2016-10-25
CPC Classification: H01M,Y02E

Claim Text:
1. A power pack system for heating and cooling a battery module of battery pack, said system comprising: an energy storage system, said energy storage system comprising a plurality of energy storage devices, wherein said energy storage system is a battery pack and each of said energy storage devices is a battery cell and a plurality of said battery cells are stacked together as a battery module; a thermal management system wherein said thermal management system includes a ventilation system connected to said energy storage system for achieving and maintaining a predetermined temperature within said energy storage system, said ventilation system comprising: a recirculation duct, wherein said recirculation duct is configured to facilitate a two directional flow of air to perform at least one of the heating and cooling of at least one of the plurality of energy storage devices; a first set of fans adapted to be provided with a feedback system configured to communicate with the thermal management system to regulate heating and cooling of the power pack system near a first end of said recirculation duct; a second set of fans adapted to be provided near a second end of said recirculation duct; a first heater adapted to be provided near said first end of said recirculation duct, a second heater adapted to be provided near said second end of said recirculation duct, wherein at least one of said first and second heater is configured to be in fluid communication with said second set of fans; and a system architecture to control said ventilation system, wherein said system architecture is configured to control at least one of a fan assembly and a heater assembly of said thermal management system to perform at least one of the heating and cooling of at least one of the plurality of energy storage devices; and a housing connected to said battery module, wherein said housing comprises of a top cover and a bottom cover to receive and secure said energy storage devices, wherein said top cover further includes plurality of battery holders to secure battery modules and said bottom cover configured to retain said energy storage devices in a sealable manner.