Actively controlled coolant tank to increase thermal storage capacity of hybrid electric vehicles

Patent · Tue Mar 23 04:00:00 EDT 2021

OSTI ID:1805656

Amini, Mohammad Reza; Sun, Jing; Kolmanovsky, Ilya V.; Wang, Hao

An engine and cabin thermal management system for use with a vehicle having an engine, a cabin heating system configured to thermally heat a cabin of the vehicle, a coolant system operably coupled to the engine and to the cabin heating system to thermally manage a temperature of the engine and a temperature of the cabin. The coolant system having one or more coolant thermal storage units fluidly coupled with a radiator and heater core of the coolant system forming a coolant loop. The system further having a control system configured to monitor and maintain at least a predetermined coolant temperature at the cabin heating system even during a coolant temperature decrease at the engine stops.

• Research Organization: Univ. of Michigan, Ann Arbor, MI (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AR0000797
• Assignee: The Regents of the University of Michigan (Ann Arbor, MI)
• Patent Number(s): 10,954,845
• Application Number: 16/665,612
• OSTI ID: 1805656
• Country of Publication: United States
• Language: English