US 12,240,291 B2
Integrated thermal management system for vehicle
Sang Shin Lee, Suwon-si (KR); and Jong Won Kim, Cheonan-si (KR)
Assigned to Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed on Nov. 8, 2022, as Appl. No. 17/983,329.
Claims priority of application No. 10-2022-0035934 (KR), filed on Mar. 23, 2022.
Prior Publication US 2023/0302872 A1, Sep. 28, 2023
Int. Cl. B60H 1/00 (2006.01)
CPC B60H 1/00342 (2013.01) [B60H 1/00278 (2013.01); B60H 1/00899 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An integrated thermal management system for a vehicle, the system comprising:
a main refrigerant line configured to circulate a refrigerant sequentially through a compressor, an inner condenser, an outdoor heat exchanger, and an evaporator;
an integrated chiller configured to perform heat exchange between a first coolant flowing through a battery, a second coolant flowing through an electronic component, and the refrigerant;
a gas injection refrigerant line branched from a downstream point of the inner condenser of the main refrigerant line based on a flow direction of the refrigerant and connected to the compressor;
a gas injection heat exchanger configured to perform heat exchange between the refrigerant flowing through the gas injection refrigerant line and the refrigerant flowing through the main refrigerant line;
a branch refrigerant line connected in parallel between the outdoor heat exchanger and the compressor, passing through the integrated chiller;
a first branch coolant line connected in parallel between the battery and a radiator, passing through the integrated chiller; and
a second branch coolant line connected in parallel between the electronic component and the radiator, passing through the integrated chiller;
wherein the system is configured so that after heat exchange is performed between the refrigerant flowing through the gas injection refrigerant line and the refrigerant flowing through the main refrigerant line, heat exchange is performed with the first coolant and the second coolant flowing through the first branch coolant line and the second branch coolant line.