A system for a vehicle includes a cooling apparatus including a radiator, a first water pump, a first valve, and a reservoir tank which are connected through a coolant line, the cooling apparatus configured to circulate a coolant in the coolant line to cool at least one electrical component, a battery cooling apparatus including a battery coolant line connected to the coolant line through a second valve, and a second water pump and a battery module which are connected through the battery coolant line, a heating apparatus including a heating line connected to the coolant line through a third valve, a third water pump provided on the heating line, and a heater, an air conditioner including a condenser that is connected to the heating line, and a chiller provided in the battery coolant line between the second valve and the battery module.

Systems and methods are described herein for controlling heat flow between systems of an electric automotive vehicle. An automotive electric vehicle system includes a high voltage battery system including an enclosure, an electric powertrain system, a radiator, coolant lines that permit coolant flow between the high voltage battery system, the power train system and the radiator, one or more valves for routing coolant along the coolant lines, and a controller. The controller is configured to control the one or more valves to control the flow of coolant among a plurality of different, selectable coolant flow states involving the high voltage battery system, the powertrain system and the radiator.

This thermoregulation system (1) for an electrically driven vehicle (V), the vehicle comprising at least one electric machine (E), at least one battery (30), and at least one power electronics component (37), comprises a coolant circuit (5), a pump (7), coolant heat exchangers, connected to the coolant circuit (5) so that the coolant may circulate through them and comprising a main exchanger (9), configured for exchanging heat between the coolant and air coming from the outside of the vehicle (V), at least one battery exchanger (11), configured for exchanging heat between the coolant and said at least one battery (30), and at least one secondary exchanger (13, 36), configured for exchanging heat between the coolant and said at least one electric machine (E) and/or said at least one power electronics component (37). The coolant circuit (5) is divided in a first branch (B1), which comprises the main exchanger (9) and the at least one battery exchanger (11), a second branch (B2) which comprises the at least one secondary exchanger (13, 36), the coolant being circulated in parallel in the first and second branches (B1, B2), and a pump branch (PB) to which the pump (7) is connected, the pump branch (PB) being connected to the first and second branches (B1, B2) by an upstream and a downstream connection points (P1, P2) so that the coolant circulating in the pump branch (PB) is formed by a mix of the coolant circulating in the first branch (B1) and of the coolant circulating in the second branch (B2), and is directed towards the first and second branches (B1, B2) downstream the pump (7).

A heat pump system for a vehicle is provided. The system includes an engine cooling device having a first radiator and a first water pump connected via a first coolant line. An electrical equipment cooling device includes a second radiator and a second water pump connected via a second coolant line. A battery module is disposed in a battery coolant line selectively connected with the second coolant line. An air conditioner is connected with the battery coolant line and includes a third water pump and a cooler disposed in the first connection line. A heating device is connected with the first coolant line via a third valve and includes a fourth water pump and a heater disposed in the second connection line. A centralized energy (CE) module supplies a coolant to the air conditioner, is connected with the coolant lines to supply a high-temperature coolant to the heating device.

A cooling device for a vehicle electronic instrument, includes: a rear air-conditioning section that is provided in a rear trunk at a vehicle rear portion, that is configured to adjust a temperature of air, and that supplies air to a vehicle cabin interior; and an electronic instrument cooling duct that configures a cooling path in the rear air-conditioning section and through which passes cooling air, one or more electronic instruments being disposed in the cooling path.

An air-conditioning apparatus for a vehicle may include a radiator module; a refrigerant module; a hot portion for heat-exchanging with a condenser and a heater core of an internal air-conditioning module; a cold portion for heat-exchanging with an evaporator and a cooling core of the internal air-conditioning module; an electric portion for heat-exchanging with an electric component; a battery portion for heat-exchanging with a high-voltage battery; a connection module for connecting the hot portion, the electric portion, or the battery portion to any one or more radiators among a first radiator, a second radiator, and a third radiator; and a control unit configured of controlling the operations of a compressor and a valve.

A cooling system mounted in a vehicle includes a radiator exchanging heat with the outside air; first and second flow paths; and a control device. The first path is configured so that when the first pump is operating, a heat medium circulates through the radiator and a first heat exchanger exchanging heat with the inverter. The second flow path is connected to the radiator in parallel with the first flow path, and is configured so that when the second pump is operating, the heat medium circulates through the radiator and a second heat exchanger exchanging heat with the battery. The control device controls the outputs of the first and second pumps so that when making both of the outputs rise or fall, the flow rate of the heat medium flowing through the first flow path becomes temporarily larger than the target flow rate.

A vehicle HVAC system includes a compressor, a first heat exchanger for exchanging heat between the refrigerant outside air, a first check valve set, a first expansion device for decompressing a first portion of the refrigerant, a second heat exchanger for exchanging heat between the first portion of the refrigerant and a second portion of the refrigerant, a second expansion device for decompressing the second portion of the refrigerant, a second check valve set, a third heat exchanger for exchanging heat between the refrigerant and inside air, and a selector valve for switching between a heating mode and a cooling mode. The first check valve set and the second check valve set together maintain a constant flow direction through the first expansion device, the second heat exchanger, and the second expansion device in the heating mode and the cooling mode.

A vehicle air conditioning system is provided that performs air conditioning for a front row and a rear row by using a heat pump to optimize cooling and heating efficiency, thereby preventing cooling and heating energy from being wasted.

A heat pump system for a vehicle has a first cooling device including a first radiator and a first water pump connected through a first coolant line and circulating a coolant to cool an electrical component and a motor through the first coolant line, a second cooling device including a second radiator and a second water pump connected through a second coolant line, a battery module provided on a battery coolant line selectively connectable to the second coolant line through a first valve, a first chiller provided on the battery coolant line and connected to an air-conditioning device and making the coolant exchange heat with a refrigerant supplied from the air-conditioning device, a second chiller selectively connectable to the first coolant line through a second valve, and a heat exchanger provided in the air-conditioning device and connected to the first and second coolant lines and the refrigerant line.