A control apparatus for a vehicle cooling apparatus that includes: a PCU cooling unit for cooling a power control unit controlling an electric motor; a T/A cooling unit for cooling a drive-force transmitting apparatus including the electric motor; and a heat exchanger for transferring heat between the PCU cooling unit and the T/A cooling unit. The T/A cooling unit includes a first pump for circulating a refrigerant of the T/A cooling unit, while the PCU cooling unit includes a second pump for circulating a refrigerant of the PCU cooling unit. The control apparatus includes a controlling portion configured to cause the first pump to be driven when a temperature of the power control unit is higher than a threshold temperature value and a temperature of the refrigerant of the PCU cooling unit is higher than a temperature of the refrigerant of the T/A cooling unit.

To provide a vehicle, vehicle motion performance of which can be made high by downsizing a drive unit having an engine and a motor. A drive unit for vehicle travel has the engine and the motor. The motor is arranged adjacent to a rear side of the engine. In a housing of the motor, parts of oil control valves and motor cooling oil paths, through each of which motor cooling oil flows, are provided. The motor cooling oil flowing through first motor cooling oil paths exchanges heat with engine oil in a first heat exchanger. The motor cooling oil flowing through second motor cooling oil paths exchanges heat with an engine cooling coolant in a second heat exchanger.

A method for monitoring an oil flow, generated by an oil pump, in an oil cooling circuit of a thermal management system, includes: arranging a first pressure sensor at a first point in the cooling circuit; arranging a second pressure sensor at a second point in the oil cooling circuit; determining pressure difference values based on recorded pressures; and comparing the pressure difference values with a predeterminable comparison value for the pressure difference so as to check for a fault.

A powertrain is provided, including: a motor control unit (1) including a housing (11) and a first functional unit (12) disposed in the housing (11) and capable of generating heat during operation; and a heat exchanger (2) disposed in the housing (11), where the heat exchanger (2) includes a first circulation channel (21) for a first cooling medium to circulate and a second circulation channel (22) for a second cooling medium to circulate. The first circulation channel (21) has a first external cooling surface (P1), and the first circulation channel (21) conducts heat with the first functional unit (12) at the first external cooling surface (P1); and/or the first circulation channel (21) has a second external cooling surface (P2), and the first circulation channel (21) conducts heat with an inner surface of the housing (11) at the second external cooling surface (P2).

A series-hybrid vehicle includes an internal combustion engine for electric power generation and a motor generator for travelling. The internal combustion engine is cooled by a second coolant water circuit that has a main radiator. A first coolant water circuit having a sub radiator is used to cool a front wheel-side power train cooling part, a rear wheel-side power train cooling part, a water-cooled condenser, and a low temperature-side intercooler. When the vehicle is accelerating, an electrical compressor for an air conditioner comes to a stop, and the circulation of refrigerant to the water-cooled condenser is brought to a halt.

A heat exchange module having a first heat exchanger, configured to enable heat exchange between a first fluid and a flow of air and extending inside a first plane of overall extension, and a second heat exchanger, configured to enable heat exchange between a second fluid and the flow of air and extending inside a second plane of overall extension, is disclosed. A housing delimiting, with the first heat exchanger, a circulation channel for the flow of air is included. The module has at least one air distribution member, movable between a position in which the air distribution member allows the flow of air to pass through the first heat exchanger and the second heat exchanger, and a position in which the air distribution member prevents the flow of air from passing through the first heat exchanger while allowing the flow of air to pass through the second heat exchanger.

An electrified drive train for a motor vehicle, having a heat generator, includes at least one electrical drive machine, and a heat dissipation circuit which has at least one first heat exchanger and one second heat exchanger for dissipating heat from a cooling circuit which is routed through the heat generator. During operation, a fluid used in the heat dissipation circuit flows through the first heat exchanger and, parallel thereto, through the second heat exchanger.

The present disclosure relates to a drive unit (1) with a housing (2) and an electric motor (3) arranged therein. A transmission (8) is coupled to the electric motor (3). At least one oil chamber (15) is arranged in the housing (2), the oil chamber(s) having an oil zone (21) and an air zone (22), where the air zone (22) is flow-connected by way of an inlet opening (36) to a venting channel (35) that leads to a vent (32) such that the inlet opening (36) is arranged in a central area (40) of the housing (2) of the drive unit (1).

An electrified drive train for a motor vehicle has a heat generator, which includes at least one electric drive machine; and a cooling circuit, which is led through the electric drive machine and has a heat exchanger for removing heat from the cooling circuit. With respect to the direction of flow of the fluid used in the cooling circuit, the heat exchanger is arranged in the cooling circuit downstream of the heat generator to be cooled.

A temperature control system includes: a first cooling circuit, where a first cooling medium is circulated in the first cooling circuit, and the first cooling circuit is configured to cool a first structural unit; a second cooling circuit, where a second cooling medium is circulated in the second cooling circuit, and the second cooling circuit is configured to cool a second structural unit; and a heat exchanger, separately connected to the first cooling circuit and the second cooling circuit, and configured to perform heat exchange between the first cooling medium and the second cooling medium, where the first cooling circuit includes a bypass branch, and the bypass branch is connected in parallel to the heat exchanger. According to the temperature control system, heat dissipation efficiency for an inverter and an overall heat dissipation capability for a powertrain are improved.