The invention concerns an installation for the thermal conditioning of a passenger compartment and/or at least one component of a motor vehicle, comprising a first circuit (1) for circulating a heat transfer fluid, a second circuit (2) for circulating a refrigerant fluid, capable of forming a heat pump type circuit, the heat transfer fluid circuit comprising heating and/or cooling means (M1, M2, M3) for at least one component of a motor vehicle, means (S1, S2) for storing calories and/or frigories, a first exchanger (E1) forming an evaporator and capable of exchanging heat with the refrigerant circuit, and means for circulating the heat transfer fluid capable of drawing the frigories and/or calories from the storage means (S1, S2) or the first exchanger (E1), so as to transfer them to the heating and/or cooling means (M1, M2, M3).

The invention relates to a vehicle thermal management system (1) comprising at least a refrigerant circuit (2), a loop (3) for heat-transfer liquid, and a first heat exchanger (5) which thermally couples the loop (3) for heat-transfer liquid with the refrigerant circuit (2), the loop (3) for heat-transfer liquid comprising at least one heat exchanger (12, 35) configured to dissipate heat energy into a flow (18, 19) of air, the refrigerant circuit (2) comprising at least a compression device (4), the first heat exchanger (5), a refrigerant accumulation device (6), a first expansion device (16) and a second heat exchanger (17) designed to have passing through it a flow (18) of interior air sent into the interior of the vehicle, characterized in that the refrigerant circuit (2) comprises a leg (20) arranged in parallel with the first expansion device (16) and with the second heat exchanger (17), said leg (20) comprising a second expansion device (21) and a third heat exchanger (22) able to be thermally coupled to at least a component of an electric powertrain of the vehicle.

A thermal control system includes first and second components. A plurality of coolant conduits fluidly couple the components to define a coolant circuit. A pump is operable to circulate coolant among the conduits. Within the coolant circuit, the first component is upstream of the second component and the pump is upstream of the first component. A controller is configured to selectively operate according to a circuit heating mode, wherein the controller controls the pump at a first speed and controls the first respective component as a thermal source, and a local heating mode, wherein the local heating mode the control controls the pump at a second speed and controls the first respective component as a thermal source. The second speed is less than the first speed. The controller operates in the local heating mode in response to a heating request associated with the second respective component.

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 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.

A vehicle air conditioning system is provided and includes a heating duct through which internal air and external air are introduced and a cooling duct through which internal air and external air are introduced. A condenser is disposed in the heating duct and an evaporator is disposed in the cooling duct and is connected to the condenser. A phase change material (PCM) stores thermal energy of the internal air passing through the heating and cooling ducts. An internal/external air door controls the mixing of the internal/external air introduced into the heating and cooling ducts, and a PMC door controls the external air introduced through the heating and cooling ducts whether to pass through the PCM.

An accumulator (28), optionally in combination with an internal heat exchanger in a shared housing (24), comprising a cyclone (12) for separation of the gas and liquid phase of a refrigerant, and characterised in that the cyclone (12) comprises two separate, curved flow paths (14, 16), one of which (14) leads from an inlet (18) on the cover side whose direction of flow is closer to the axial than the radial direction of the cyclone (12) into the accumulator and radially outwards, and the other of which (16, 52) leads outwards from an end facing away from the cover (20).

A vehicle heating device includes a heat storage material, a heat recovery unit, a footrest, and a heat controller. The vehicle heating device heats an occupant with heat stored in the heat storage material. The heat recovery unit recovers thermal energy from at least one of a heat source generated by a vehicle or a natural heat source from outside of the vehicle. The heat storage material stores the recovered thermal energy. The footrest is provided at a front portion of a vehicle seat disposed in a vehicle cabin, and has the heat storage material packed inside a heat insulating material. The heat controller heats the footrest by radiating the heat stored in the heat storage material at a predetermined timing with respect to the occupant to be on the vehicle.

The invention relates to a vehicle thermal management system (1) comprising at least a refrigerant circuit (2), a loop (3) for heat-transfer liquid, and a first heat exchanger (5) which thermally couples the loop (3) for heat-transfer liquid with the refrigerant circuit (2), the loop (3) for heat-transfer liquid comprising at least one heat exchanger (12,35) configured to dissipate heat energy into a flow (18,19) of air, the refrigerant circuit (2) comprising at least a compression device (4), the first heat exchanger (5), a refrigerant accumulation device (6), a first expansion device (16) and a second heat exchanger (17) designed to have passing through it a flow (18) of interior air sent into the interior of the vehicle, characterized in that the refrigerant circuit (2) comprises a leg (20) arranged in parallel with the first expansion device (16) and with the second heat exchanger (17), said leg (20) comprising a second expansion device (21) and a third heat exchanger (22) able to be thermally coupled to at least a component of an electric powertrain of the vehicle.

A thermal management arrangement for vehicles is disclosed including a refrigerant circuit having chillers and/or heat pump function and a heat carrier network for cooling and/or heating components of the vehicle. The heat carrier network has a heat carrier reservoir and a plurality of heat carrier supply segments fed from the heat carrier reservoir. A separately controlled and regulated ambient heat exchanger supply segment implements a circuit having a central low-temperature ambient heat exchanger and least one heat carrier reservoir.