US 11,990,388 B2
Pump-motor assembly for an energy storage system
Adam C. Grove, Washington, IL (US); Nirag Sheth, Peoria, IL (US); Umakanth Sakaray, Dunlap, IL (US); John M. Tanner, Dunlap, IL (US); Jeremy Byrd, West Lafayette, IN (US); and Gregory S. Hasler, Pekin, IL (US)
Assigned to Caterpillar Inc., Peoria, IL (US)
Filed by Caterpillar Inc., Peoria, IL (US)
Filed on Aug. 6, 2020, as Appl. No. 16/987,256.
Prior Publication US 2022/0044985 A1, Feb. 10, 2022
Int. Cl. H01L 23/473 (2006.01); F24F 1/0323 (2019.01); F25D 19/00 (2006.01); F28D 15/02 (2006.01)
CPC H01L 23/473 (2013.01) [F28D 15/0266 (2013.01); F24F 1/0323 (2019.02); F25D 19/003 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A pump-motor assembly provided outside of and adjacent to a storage container that stores a back-up energy storage unit, the pump-motor assembly comprising:
a pump-motor that maintains a minimum pressure of a liquid coolant in a liquid coolant system that cools the back-up energy storage unit; and
a housing that is completely enclosed, the housing containing the pump-motor, and having a removable access panel on one side thereof, and an opening on another side thereof to the storage container,
wherein the housing is configured to receive air cooled by a heating, ventilation, and air conditioning (HVAC) unit in the storage container through the opening to the storage container.