Thermal management system, powertrain, and vehicle

A powertrain for a vehicle comprising an occupant compartment, wherein the powertrain comprises:

• a propulsion system configured to provide motive power to the vehicle;
• and
• a thermal management system comprising:
• a propulsion coolant circuit configured to cool at least a portion of the propulsion system;
• a heating circuit configured to heat the occupant compartment;
• and
• a heat pump circuit comprising a first evaporator in the propulsion coolant circuit and a condenser in the heating circuit, wherein the propulsion coolant circuit comprises a connecting conduit connecting the propulsion coolant circuit to the heating circuit at a position upstream of the condenser, and a first return conduit configured to return coolant to the propulsion coolant circuit from the heating circuit at a position downstream of the condenser;
• and
• a first valve configured to control flow of coolant through the connecting conduit, wherein the propulsion system is an electric propulsion system comprising a battery, and wherein the first evaporator is further configured to cool the battery, wherein the propulsion coolant circuit comprises a coolant branch and a second valve configured to regulate the flow of coolant through the coolant branch, and wherein the first evaporator is arranged in the coolant branch of the propulsion coolant circuit.

A vehicle comprising:

• an occupant compartment;
• a powertrain comprising a propulsion system configured to provide motive power to the vehicle;
• and
• a thermal management system comprising:
• a propulsion coolant circuit configured to cool at least a portion of the propulsion system;
• a heating circuit configured to heat the occupant compartment;
• and
• a heat pump circuit comprising a first evaporator in the propulsion coolant circuit and a condenser in the heating circuit, wherein the propulsion coolant circuit comprises a connecting conduit connecting the propulsion coolant circuit to the heating circuit at a position upstream of the condenser, and a first return conduit configured to return coolant to the propulsion coolant circuit from the heating circuit at a position downstream of the condenser, and
• a first valve configured to control flow of coolant through the connecting conduit, wherein the propulsion system is an electric propulsion system comprising a battery, and wherein the first evaporator is further configured to cool the battery, wherein the propulsion coolant circuit comprises a coolant branch and a second valve configured to regulate the flow of coolant through the coolant branch, and wherein the first evaporator is arranged in the coolant branch of the propulsion coolant circuit.

A thermal management system for a vehicle, wherein the vehicle comprises an occupant compartment and a propulsion system configured to provide motive power to the vehicle, and wherein the thermal management system comprises:

• a propulsion coolant circuit configured to cool at least a portion of the propulsion system;
• a heating circuit configured to heat the occupant compartment;
• a heat pump circuit comprising a first evaporator in the propulsion coolant circuit and a condenser in the heating circuit, wherein the propulsion coolant circuit comprises a connecting conduit connecting the propulsion coolant circuit to the heating circuit at a position upstream of the condenser, and a first return conduit configured to return coolant to the propulsion coolant circuit from the heating circuit at a position downstream of the condenser, and
• a first valve configured to control flow of coolant through the connecting conduit, wherein the propulsion system is an electric propulsion system comprising a battery, and wherein the first evaporator is further configured to cool the battery, wherein the propulsion coolant circuit comprises a coolant branch and a second valve configured to regulate the flow of coolant through the coolant branch, and wherein the first evaporator is arranged in the coolant branch;
• and
• a battery coolant circuit configured to cool the battery, and wherein the battery coolant circuit comprises an inlet in the coolant branch downstream of the first evaporator and an outlet in the coolant branch upstream of the first evaporator.

A thermal management system for a vehicle, wherein the vehicle comprises an occupant compartment and a propulsion system configured to provide motive power to the vehicle, and wherein the thermal management system comprises:

• a propulsion coolant circuit configured to cool at least a portion of the propulsion system;
• a heating circuit configured to heat the occupant compartment;
• a heat pump circuit comprising a first evaporator in the propulsion coolant circuit and a condenser in the heating circuit, wherein the propulsion coolant circuit comprises a connecting conduit connecting the propulsion coolant circuit to the heating circuit at a position upstream of the condenser, and a first return conduit configured to return coolant to the propulsion coolant circuit from the heating circuit at a position downstream of the condenser;
• and
• a first valve configured to control flow of coolant through the connecting conduit, wherein the propulsion system is an electric propulsion system comprising a battery,
• wherein the first evaporator is further configured to cool the battery, and
• wherein the heating circuit comprises:
• a heat exchanger configured to heat the occupant compartment, and wherein the first return conduit is configured to return coolant to the propulsion coolant circuit from the heating circuit at a position upstream of the heat exchanger, and
• a second return conduit configured to return coolant to the propulsion coolant circuit from the heating circuit at a position downstream of the heat exchanger.