A vehicle air conditioner having a compressor to compress a refrigerant, an air flow passage to supply air to the vehicle; a radiator; an outdoor heat exchanger; a battery temperature adjustment device for letting a heat medium circulate through a battery mounted in the vehicle, thereby adjusting a temperature of the battery; and a control device. The battery temperature adjustment device has a refrigerant-heat medium heat exchanger for performing exchange of heat between the refrigerant and the heat medium. The control device is configured to execute: a radiator and outdoor heat exchanger heating/battery cooling mode, and an obstruct inflow heating/battery cooling mode.

A heat exchange system for a vehicle includes: a heat exchange module disposed at a rear, in a length direction, of a vehicle body, formed of a plurality of plate-shaped plates including a plurality of through-holes; a radiator installed at a front, in the length direction, of the vehicle body; a heating, ventilation, and air conditioning (HVAC) module disposed at the rear, including an air conditioning cases that includes an evaporator, an indoor condenser, and an opening/closing door provided therein; an electric compressor; a rear driving motor disposed at the rear; an autonomous driving controller disposed at the rear; and a switching valve including a first valve installed on a first refrigerant line, a second valve installed on a second refrigerant line; and a third valve installed on a third refrigerant line.

An integrated thermal management system and method for a vehicle, including: a cabin thermal management loop; an energy storage system thermal management loop; a power electronics thermal management loop; and a multi-port valve assembly coupled to the cabin thermal management loop, the energy storage system thermal management loop, and the power electronics thermal management loop and adapted to, responsive to an operating state of the vehicle, selectively isolate and couple the cabin thermal management loop, the energy storage system thermal management loop, and the power electronics thermal management loop from and to one another.

A control assembly for a thermal management system for a high voltage battery of a plug-in electric vehicle may include a control valve and a control module. The control valve may be operable to control a flow of battery coolant to the high voltage battery from a refrigerant cooling circuit and from a cabin heater core cooling circuit. The control module may be configured to selectively operate the control valve to select a cooling mode, including a refrigerant only mode, a core mode, and a combined mode in which both the refrigerant cooling circuit and the cabin heater core cooling circuit provide cooling to the high voltage battery.

A temperature control system includes a heater core utilizing heat of a heat medium; an engine heat exchanger utilizing exhaust heat of an engine to heat the heat medium; a condenser utilizing heat other than the exhaust heat to heat the heat medium; a heat circuit having the heater core and condenser; a communication flow path making the engine heat exchanger communicate with the heat circuit; and a connection state switching mechanism switching a flow state of the heat medium, between a first state and a second state. In the first state, the heat medium flows through the heat circuit, while flowing through the heater core, and in the second state, the heat medium flows through the heat circuit without flowing through the heater core. The heat circuit is arranged at a front of a passenger compartment, and the engine heat exchanger is arranged at a rear of the compartment.

In one aspect, a cab heating system for an electric work vehicle includes a hydraulic circuit forming a hydraulic flow loop through which a hydraulic fluid is directed for supply to a hydraulic component of the electric work vehicle. The system also includes a coolant circuit forming a coolant flow loop through which a coolant fluid is circulated, with the coolant circuit comprising a coolant heat exchanger. Additionally, the system includes a circuit heat exchanger thermally coupling the hydraulic circuit to the coolant circuit to allow heat to be transferred between the hydraulic fluid and the coolant fluid, and a fan configured to direct an airflow across the coolant heat exchanger such that heat is transferred from the coolant fluid to the airflow prior to delivery of the airflow into an interior of a cab of the electric work vehicle.

A method for controlling air conditioning of a vehicle includes: determining whether an air conditioning control entry condition for battery cooling wind backseat backflow compensation is satisfied from environment information collected from the vehicle; starting air conditioning control for the battery cooling wind backseat backflow compensation if it is determined that the entry condition is satisfied; determining a compensation value corresponding to a current operating level of a battery cooling fan when the air conditioning control for the battery cooling wind backseat backflow compensation is started; compensating for a current control variable value of an air conditioning device component using the determined compensation value; and performing an air conditioning operation for compensation in accordance with a backflow of a battery cooling wind having cooled a battery toward a backseat by controlling a state of the air conditioning device component in accordance with the compensated control variable value.

A thermal system for a vehicle having a comprehensive cooling circuit, a refrigeration circuit, a cooling circuit, a heating circuit, and a plurality of switched states is disclosed. The cooling circuit is connected with a heat source of the vehicle. The cooling circuit has a high-voltage accumulator (HVA) circuit to which a high-voltage accumulator for supplying power to an electric drivetrain of the vehicle is connected. An ambient cooler is connected to the cooling circuit downstream of the heat source. A chiller for transferring heat from the HVA circuit into the refrigeration circuit is also connected to the refrigeration circuit. A first switched state, in which the HVA circuit downstream and upstream of the heat source is connected to the cooling circuit, can be set such that an extended HVA circuit, in which the high-voltage accumulator and the heat source are connected in series is configured.

A heat pump system for a vehicle may adjust a temperature of a battery module by use of one chiller that performs heat exchange between a refrigerant and a coolant, and improve heating efficiency by use of waste heat generated from an electrical component and the battery module, in increasing the flow rate of the refrigerant by operating the gas injection unit in the heating mode or the heating/dehumidification mode of the vehicle, thereby reducing power consumption of a compressor and maximizing heating performance.

Disclosed herein is an air conditioner for a vehicle, which can select a blower with the maximum efficiency within a range of a targeted air discharge volume for indoor circulation and select a blower with the maximum efficiency within a range of a targeted air discharge volume for outdoor discharge. The air conditioner includes: an air-conditioning case having a first air passageway and a second air passageway; an evaporator disposed on the first air passageway or the second air passageway; a condenser disposed on the first air passageway or the second air passageway; a first blower arranged on an indoor circulation passage; and a second blower arranged on an outdoor discharge passage.