A device for recovering and regulating thermal energy of an electric vehicle with an electrochemical generator wherein a fluid circulates, includes an air-conditioning circuit, a first heating or thermal energy recovery circuit for heating and a second cooling or thermal energy recovery circuit for cooling the electrochemical generator, an electric motor, an electronic circuit, and a braking circuit. A plurality of valves are arranged to put the air- conditioning circuit in communication with the first heating circuit or second cooling circuit, and means for controlling said valves arranged to allow, according to a temperature of the electrochemical generator, of the electric motor, of the electronic circuit and of the braking circuit, the circulation of the fluid from the air-conditioning circuit in the first heating circuit for a heating operation as well as the circulation of the fluid from the air-conditioning circuit in the second cooling circuit for a cooling operation.

A vehicle air-conditioning device includes a compressor 2, a radiator 4, an outdoor heat exchanger 7, a first heat medium circulating device 61 to let a first heat medium circulate in a heat medium heating heater 66, and a second heat medium circulating device 62 to let a second heat medium circulate in a battery 55. The first heat medium circulating device has a first heat medium heat exchanging unit 65A which exchanges heat between a refrigerant and the first heat medium. The second heat medium circulating device has a second heat medium heat exchanging unit 65B which exchanges heat between the first heat medium and the second heat medium.

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.

A heat request arbitration device includes: a first thermal circuit; a second thermal circuit; a third thermal circuit having path patterns that are selectable as a path that is heat exchangeable with each of the first thermal circuit and the second thermal circuit; and heat source units configured to absorb heat or radiate heat via a heat medium circulating in at least one of the thermal circuits; a derivation unit configured to derive requests related to heat flow control of heat absorbed or radiated by each of the heat source units; and a selection unit configured to select a path for at least one of the thermal circuits so as to satisfy at least one of the requests related to the heat flow control based on the requests related to the heat flow control derived by the derivation unit.

System and method for operating the system for climatizing air of a passenger compartment and for heat exchange with drive components of motor vehicles includes a coolant circuit and refrigerant circuit with a compressor, a refrigerant-air heat exchanger, operated as condenser/gas cooler, at least one expansion element, at least one heat exchanger, operated as evaporator, for conditioning an air-mass flow supplied to the passenger compartment; this is implemented as refrigerant-air heat exchanger, and at least one heat exchanger, operated as evaporator, which is implemented as refrigerant-coolant heat exchanger and disposed within the coolant circuit for heat transfer from coolant to refrigerant. The refrigerant circuit includes a heat exchanger, operated as condenser/gas cooler, which acts as refrigerant-coolant heat exchanger and is disposed within the coolant circuit for heat transfer from refrigerant to coolant. The coolant circuit is implemented with at least one heat exchanger for heat exchange with a drive component.

A thermal request mediating device includes a calculation unit configured to calculate amounts of heat for thermal circuits, a mediation unit configured to determine amounts of absorbed heat or amounts of discharged heat which are allocated to the thermal circuits based on amounts of heat transferable between the thermal circuits, and a distribution unit configured to distribute amounts of absorbed heat or amounts of discharged heat to units which are included in each thermal circuit based on the determined amounts of absorbed heat or amounts of discharged heat.

A cooling system with a heat pump function for a motor vehicle is described, includes a base system with a refrigerant compressor. A directly or indirectly working external heat exchanger which is arranged downstream of the refrigerant compressor. A directly or indirectly working first evaporator as part of an air conditioning device for the interior air conditioning of the motor vehicle, arranged down-stream of the external heat exchanger and preceded by a first expansion element. At least one second evaporator as part of a cooling device of an electric drive or storage unit, which evaporator is arranged fluidically parallel to the first evaporator, and which is preceded by a second expansion element. At least one low-pressure side collector arranged downstream of the first and second evaporators, or at least one high-pressure side collector arranged downstream of the external heat exchanger and upstream of the first and second evaporators.

A vehicle air conditioning device is provided which is capable of accurately judging the need for temperature regulation of an object of temperature regulation mounted in a vehicle and efficiently performing temperature regulation. A compressor 2 to compress a refrigerant, an indoor heat exchanger (radiator 4 and heat absorber 9) for exchanging heat between air supplied to a vehicle interior and the refrigerant, an outdoor heat exchanger 7 disposed outside the vehicle interior, and a control device 11 are provided to perform air conditioning of the vehicle interior. An equipment temperature adjusting device 61 for adjusting the temperature of the object of temperature regulation mounted in the vehicle is provided. The control device controls the equipment temperature adjusting device 61 on the basis of a gradient (ΔTw) of a change in an index indicating the temperature of the object of temperature regulation.

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.

A reheating process for operating a cooling system having a heat pump function for a motor vehicle. The reheating process includes steps of determining a heat differential value by comparing a heat emission actual value at the heating register to a heat emission target value, and adjusting at least one operating setting of the cooling system, so that the power consumption in the cooling system is increased if the heat differential value is greater than 0 and less than a heat differential threshold value.