A method is provided for controlling an air conditioning compressor in a hybrid powertrain of a motor vehicle. The hybrid powertrain includes an internal combustion engine, a first electric machine, and a second electric machine The electric machines and the internal combustion engine are selectively connected to the air conditioning compressor so as to function as a drive of the air conditioning compressor. At least one of the first electric machine, the second electric machine, or the internal combustion engine is selected as the drive is selected based on a selection by an occupant of the motor vehicle. The selected drive is actuated to drive the air conditioning compressor.

A control system includes a refrigerant recovery module and at least one of a valve control module and a compressor control module. The refrigerant recovery module is configured to generate a refrigerant recovery signal to initiate a recovery of refrigerant from a first heat exchanger of a thermal system for an electric vehicle, and to stop the refrigerant recovery based on a temperature of refrigerant circulating through the first heat exchanger. The valve control module is configured to open a first valve to allow refrigerant to flow through the first heat exchanger in response to the refrigerant recovery signal. The compressor control module is configured to increase a speed of a compressor disposed upstream from the first heat exchanger in response to the refrigerant recovery signal.

An integrated thermal management circuit for a vehicle includes a refrigerant line that causes a refrigerant to flow through a compressor, an interior condenser of an interior air conditioning device, and an exterior condenser outside the vehicle. The circuit causes the refrigerant discharged from the condenser to pass through an integrated chiller or an evaporator of the air conditioning device and to be introduced into the compressor. The circuit includes: a first cooling line causing a cooling water to circulate between a high voltage battery and a first radiator or between the high voltage battery and the integrated chiller; a second cooling line causing the cooling water to circulate between an electronic drive unit and a second radiator or between the electronic drive unit and the integrated chiller; and a bypass line provided in the first cooling line.

A vehicle roof assembly includes a roof that defines an aperture. A heating, ventilation, and air conditioning assembly is selectively disposed within the aperture. The heating, ventilation, and air conditioning assembly includes a housing defining an interior. The housing defines an intake and a vent opening. The intake is defined on a first side of the housing. A fan is disposed within the interior on a second side of the housing. The second side opposes the first side. A duct is disposed within the interior. The duct extends between the first side and the second side of the housing. The duct fluidly couples the intake with the vent opening.

A thermal management control circuit for an electric vehicle having a power electronics component to supply the drive motor and a battery includes a heat pump loop comprising a condenser and an evaporator a cooling-heating circuit configured to carry a fluid and comprising a first circuit portion comprising the condenser and the power electronics component, and configured to maintain the power electronics component within a power electronics component target temperature range, a second circuit portion comprising the evaporator, a first auxiliary communication circuit portion configured to carry some fluid heated by the condenser from the first circuit portion to the second circuit portion, and cooperating with the second circuit portion to maintain the battery within a battery target temperature range which is different from the power electronics component target temperature range.

Disclosed is an expansion tank, including a cavity structure and a degassing flow channel, where the degassing flow channel is arranged on the expansion tank, a flow guide hole is provided on the degassing flow channel, and the degassing flow channel is in communication with the cavity structure by means of the flow guide hole; and a liquid inlet and a liquid outlet are provided at two ends of the degassing flow channel respectively and are used for being in communication with a vehicle cooling system. The expansion tank of the present application satisfies a degassing requirement, reduces usage amount of pipelines and pipe clamps, and reduces weight of a vehicle body.

A temperature adjustment circuit for a vehicle includes a first temperature adjustment circuit for vehicle interior air conditioning or heating, a second temperature adjustment circuit that is configured to transfer heat with a battery, a connection path that is configured to connect the first temperature adjustment circuit and the second temperature adjustment circuit to form a connection circuit, and a first valve and a second valve that are configured to switch between an independent state where the first temperature adjustment circuit and the second temperature adjustment circuit are independent and a connection state where the connection circuit is formed.

In the present disclosure, heat sources for cooling and heating conditioning air are integrated as a coolant, both cooling performance and heating performance are ensured only by the coolant, and an entire package is reduced. That is, since a first air conditioning heat exchanger and a second air conditioning heat exchanger adjust a temperature of air, various types of air conditioning modes including cooling and heating modes may be implemented without using a separate temperature adjusting door. Accordingly, an overall size of an air conditioner is reduced. In addition, during cooling and heating processes, the first air conditioning heat exchanger and the second air conditioning heat exchanger are integrated and utilized. Therefore, the size of the heat exchanger may be reduced, the interior space may be ensured, and the air conditioning performance may be ensured without increasing a size of the heat exchanger.

A thermal management system for a vehicle may include a battery line connected to a high-voltage battery core, provided with a first radiator, and through which coolant is communicated by a first pump; an indoor heating line connected to a heating core for indoor air conditioning, provided with a hydrothermal heater therein, provided with a second pump to fluidically-communicate the coolant, and provided with a first valve at a downstream point of the heating core; a first and a second battery heating line branched or joined at the downstream point of the heating core in the indoor heating line to be connected to the upstream point and the downstream point of the high-voltage battery core, respectively; and a refrigerant line provided with an expansion valve, a cooling core for indoor air conditioning, a compressor, and a condenser.

The disclosure herein provides a heat management system for a vehicle, comprising: a first heat circuit in which first heat medium flows; a second heat circuit in which second heat medium flows; and a main heat exchanger configured to transfer heat from the second heat medium to the first heat medium. The first heat circuit comprises: a compressor; a cabin heater; a first air heat exchanger; an evaporator; a first bypass channel configured to allow the first heat medium to bypass the main heat exchanger; and a first switching valve by which one of the main heat exchanger and the evaporator is selected as a flow destination of the first heat medium flowing out from the first air heat exchanger. A single heat circuit (the first heat circuit) can achieve both heating and cooling of the air in the cabin.