A cooling apparatus (10) for a vehicle includes air-cooling first and second heat exchangers (12, 14) that are placed beside each other. A coolant flow-out portion (32) of the first heat exchanger (12) from which a first coolant which is a cooling target of the first heat exchanger (12) flows out and a coolant flow-out portion (36) of the second heat exchanger (14) from which a second coolant which is a cooling target of the second heat exchanger (14) flows out are placed at ends at opposite positions separated along a diagonal line on a parallel placement surface of the two heat exchangers (12, 14). A first cooling fan (20) is placed opposing the coolant flow-out portion (32) of the first heat exchanger (12), and a second cooling fan (22) is placed opposing the coolant flow-out portion (36) of the second heat exchanger (14). With this configuration, cooling performance of two air-cooling heat exchangers placed beside each other can be improved.

In a cooling path of a motor, an oil control valve is provided between a motor cooling oil path and a first motor cooling path, a first heat exchanger is provided in the first motor cooling path, and a second heat exchanger is provided in a second motor cooling path. In a motor-drive mode, a valve control unit switches the oil control valve to the first motor cooling path side when an engine temperature is lower than a first threshold, and switches the oil control valve to the second motor cooling path side when the engine temperature is equal to or higher than the first threshold. In the first heat exchanger, motor cooling oil and engine oil exchange heat. In the second heat exchanger, the motor cooling oil and a coolant for the engine exchange heat.

An electric machine is described herein. The electric machine includes a casing, a stator, a rotor generally coaxial with the stator, an enclosed cooling assembly circulating a first cooling fluid within the casing, and an open cooling assembly through which a second cooling assembly can flow; the open cooling assembly cooling both the stator and the first cooling fluid.

A turbo-compounding system according to an exemplary embodiment of the present invention includes: a turbocharger including a turbine which is rotated by using pressure of exhaust gas discharged from the engine and a compressor which is rotated by using rotation power of the turbine and compresses new external air and supplies the compressed air to the engine; a motor-generator configured to be rotated by using rotation power of the compressor of the turbocharger to generate power or add rotation power to the compressor of the turbocharger; and a control device configured to operate the motor-generator as a motor or a generator according to a current rotation speed of the engine and may collect power wasted from the engine.

An engine unit includes a cylinder, a crankshaft, a crankcase, a generator, a sensor, and a coolant passage. The crankshaft is connected to a piston in the cylinder. The crankcase accommodates the crankshaft therein. The generator includes a rotor that rotates together with the crankshaft and a stator facing the rotor. The generator generates electric power by rotation of the rotor. The sensor detects a rotation position of the rotor. The coolant passage includes an ejection port, guides a coolant to the ejection port, and ejects the coolant from the ejection port toward the sensor.

A cooling device is employed in a vehicle including an internal combustion engine provided with a forced-induction device and an intercooler. The cooling device includes a circulation circuit configured to circulate coolant supplied to the intercooler, an electric pump configured to operate to circulate the coolant in the circulation circuit, and processing circuitry configured to control a discharge amount of the coolant of the pump. The processing circuitry is configured to execute a control amount deriving process of deriving a control amount of the pump based on a requested flow rate and a coolant temperature, and an operation process of causing the pump to operate based on the control amount when the requested flow rate is larger than 0.

A cooling device is employed in a vehicle including an internal combustion engine provided with a forced-induction device and an intercooler. The cooling device includes a circulation circuit configured to circulate coolant supplied to the intercooler, an electric pump configured to operate to circulate the coolant in the circulation circuit, and processing circuitry configured to control a discharge amount of the coolant of the pump. The processing circuitry is configured to execute a control amount deriving process of deriving a control amount of the pump based on a requested flow rate and a coolant temperature, and an operation process of causing the pump to operate based on the control amount when the requested flow rate is larger than 0.

A thermal management system is disclosed configured to regulate the temperature of a number of vehicle components. The system comprises one expansion tank and two or more coolant circuits each configured to regulate the temperature of a vehicle component of the number of vehicle components. Each coolant circuit of the two or more coolant circuits comprises a heat exchanger configured to regulate the temperature of coolant in the coolant circuit, a coolant pump comprising a pump inlet, and a static line fluidly connecting the pump inlet to the expansion tank. The present disclosure further relates to a vehicle comprising a thermal management system.

A Hybrid Electric Vehicle comprising a heat transfer medium, transfers heat generated by an electric motor to a fuel, increasing fuel evaporation and cooling the motor. This configuration allows the use of multiple fuels and fuel blends including hydrogen, liquefied natural gas, natural gas liquids and heavier hydrocarbons in varying proportions while allowing higher efficiency and lower emissions due to the hybrid configuration, and efficient cooling.

Lightweight high-efficiency, high temperature electric drive system is disclosed herein. An example electric drive system including an electric motor including an output shaft. The example electric drive system including power electronics electrically coupled to the electric motor, wherein the power electronic include an inverter. The example electric drive system including a gearbox coupled to the output shaft. The example electric drive system including a first heat exchanger coupled to a surface of the electric motor, the first heat exchanger including coolant. The example electric drive system including a second heat exchanger coupled to a surface of the power electronics, the second heat exchanger including the coolant.