A vehicle heat management system includes a refrigerant circuit, a battery temperature regulation circuit, and an electric part cooling circuit. The refrigerant circuit circulates a refrigerant to regulate a temperature inside a passenger compartment through the refrigerant circuit. The battery temperature regulation circuit regulates a temperature of a battery by introducing a liquid that exchanges heat with the refrigerant to the battery. The electric part cooling circuit circulates a liquid cooled by a radiator circulates through the electric part cooling circuit, and is capable of cooling a first and second pieces for driving a vehicle. In a first mode, the liquid cooled by the radiator cools the first piece of equipment, the refrigerant of the refrigerant circuit cools the second piece of equipment, and the liquid which has exchanged heat with the refrigerant is introduced in parallel to the battery and the second piece of equipment.

To provide an air conditioner for a vehicle having a simple configuration and capable of controlling temperature in a wide range. In a dehumidification heating operation in which a refrigerant is circulated through a first heat exchanger, a second heat exchanger, an evaporator and a compressor in the order named so as to radiate the heat of the refrigerant into the first heat exchanger, there is provided a refrigerant heating means which heats the refrigerant when an outside air temperature is not higher than a predetermined temperature and when an opening degree of the second expansion valve which expands the refrigerant flowing out from the second heat exchanger is larger than an opening degree of the first expansion valve which expands the refrigerant flowing out from the first heat exchanger.

A hybrid vehicle includes a thermal control system having a first high temperature cooling circuit, a second low temperature cooling circuit and a third cooling circuit for cooling/heating a battery pack. A system of valves is configured to connect the third circuit with the second circuit so as to create a loop consisting of a main portion of the third circuit and a main portion of the second circuit including the cooling portion of one or more electric motor assemblies of the hybrid vehicle, one or more additional components of the motor-vehicle, such as a turbocharger assembly and an intercooler assembly. In this operating condition, circulation of the liquid in the loop thus-formed can be activated by the pump of the third circuit and causes heating of the battery pack by the heat generated by the electric motor assemblies and, preferably, by the aforesaid additional components of the motor-vehicle.

An electric vehicle and method for controlling an electric vehicle such as a bus include climate control of a traction or drive battery and using thermal mass or capacity of the traction battery for climate control of the vehicle cabin. The drive battery is double insulated with respect to the surroundings and kept within a desired temperature range by means of a temperature control including a cooling medium flowing around the battery. An electrical heating system for the cooling medium, an electrical compressor, and an evaporator/condenser for the cooling medium are controlled by a control system. A climate control for the passenger compartment is coupled to the temperature control by way of a heat exchanger to be supplied with heat or cold from the battery or its cooling medium.

A battery powered auxiliary HVAC system designed to heat and cool at least a sleeper compartment of a vehicle such as a truck with a management system for conserving battery power. The management system includes a processor connected to temperature sensors, motion sensors, occupancy sensors, etc. for controlling a variable speed compressor, evaporator fan and condenser fan. A fuel fired heater is positioned between an evaporator coil in the inlet of an enclosure and the evaporator fan in an outlet of the enclosure such that air flow passes around the heater. The power electronics to operate the system may be actively cooled by connection tubing providing a heat sink between an evaporator outlet and a compressor inlet.

A method for transporting heat-sensitive products in a refrigerated truck that includes at least one product storage chamber, a cryogenic fluid reserve, and a main heat exchanger system for circulation of the cryogenic fluid therethrough. The main heat exchange system includes walls across which heat may be exchanged, one or more cold-producing blowers for bringing air inside the chamber into contact with the walls, and a heating system for heating air inside at least one of the chambers. Upon the occurrence of one or more events, heated air is blown into an intake side of the cold-producing blower(s).

A closed loop auxiliary heating circuit includes a coolant, a closed loop coolant line and a pump for circulating the coolant through the closed loop coolant line between a computing device and an auxiliary heater core whereby heat is transferred from the computing device to the auxiliary heater core to heat the cabin of an electric motor vehicle. An electric motor vehicle incorporating the closed loop auxiliary heating circuit is also disclosed.

An air conditioner for a vehicle is provided which is capable of appropriately cooling a battery while effectively utilizing the heat of the battery for heating of a vehicle interior. A battery temperature adjustment device 61 which adjusts the temperature of a battery 55 has a refrigerant-heat medium heat exchanger 64 to exchange heat between a refrigerant and a heat medium. A controller executes a first heating/battery cooling mode to let the refrigerant discharged from a compressor 2 radiate heat in a radiator 4, decompress the refrigerant, and then let the refrigerant absorb heat in an outdoor heat exchanger 7 and the refrigerant-heat medium heat exchanger, and a second heating/battery cooling mode to let the refrigerant discharged from the compressor radiate heat in the radiator and the outdoor heat exchanger, decompress the refrigerant, and then let the refrigerant absorb heat in the refrigerant-heat medium heat exchanger.

A thermal energy management system for a vehicle is provided that is configured to supply thermal energy to a passenger compartment of the vehicle. The thermal energy management system may include three thermal fluid loops. The first thermal fluid loop may include a coolant pump circulating a coolant through at least a vehicle battery, a transmission oil cooler of the vehicle, and a chiller such that the coolant is configured to selectively transfer thermal energy from the vehicle battery, the transmission oil cooler, and the chiller. The second thermal fluid loop may circulate oil through the transmission oil cooler. The third thermal fluid loop may circulate a refrigerant through at least the chiller and at least one condenser such that the third thermal fluid loop is configured to transfer thermal energy to the passenger compartment.

Systems and methods for providing heating and cooling to a cabin of an autonomous or semiautonomous electric vehicle. A system includes one or more autonomous or semiautonomous electric vehicle components generating thermal energy as a byproduct of operation, a radiator fluidly coupled to the one or more vehicle components and positioned downstream from the one or more vehicle components such that the radiator receives at least a portion of the thermal energy, a thermoelectric cooler thermally coupled to and located downstream from the radiator, and one or more bypass valves that control fluid flow from the radiator such that fluid flows directly to a cabin of the vehicle or flows through the thermoelectric cooler before flowing into the cabin.