In a two-stage supercharging electric-assist turbocharger, a first compressor wheel, a rotor of an electric motor, a second compressor wheel, and a turbine wheel are coaxially coupled to a same, common shaft member, in that order. A compressor housing is structured to define therein a communicating passage to accommodate the electric motor in the communicating passage. A first water jacket is formed in at least one rib integrally formed with an outer periphery of a motor housing and also serving as a radiating fin, for forced-cooling air flowing through the communicating passage. A second water jacket is formed in a motor housing for forced-cooling a stator of the electric motor. A third water jacket is formed in an intermediate housing constructing a part of the compressor housing for forced-cooling a control unit configured to control the electric motor.

An arrangement of exchangers for marinization of a marine engine, including an engine block with in-line cylinders or cylinders in a V, cooled by a cooling fluid, at least one turbocompressor with a hot chamber connected to an outlet and a cold chamber connected to the cylinders of the engine block, a reverser including a housing and containing oil, wherein the arrangement includes: a radiator hose for supplying cooling water, a turbocompressor exchanger, an engine exchanger, a reverser exchanger, a radiator hose for discharging cooling water toward an outlet of combustion gases, downstream from the hot chamber of the at least one turbocompressor,
with these three exchangers being placed in this order and inserted in the circulation direction of the water between the radiator hose for supplying the cooling water and the radiator hose for discharging this same cooling water.

A fluid flow control device controls flow of coolant in a motor vehicle motor cooling system. The flow control device includes first and second coolant inlets and first and second coolant outlets. The flow control device is operable selectively to direct coolant flowing into the device to flow out from the flow device through one or both of the first and second outlets in dependence on a temperature of fluid flowing through the device.

A two-stroke engine comprises a first oiling system and a second oiling system. The first oiling system includes a low-pressure pump that distributes oil from a first oil tank to the two-stroke engine. The second oiling system includes a pump mechanically coupled to a crankshaft of the two-stroke engine, wherein the pump distributes oil from a second oil tank to an accessory at a pressure greater than the first oil pressure, wherein oil distributed to the accessory is returned to the second oil tank.

In a turbine housing of a twin entry type turbocharger, a first scroll chamber communicating with a first exhaust manifold, and a second scroll chamber communicating with a second exhaust manifold are provided. A surface area of the first exhaust manifold is configured to be larger than a surface area of the second exhaust manifold, and these exhaust manifolds are cooled by a cooling mechanism. In the turbine housing, a first and second cooling water passages are respectively provided to cover the first and second scroll chambers. An internal combustion engine includes a cooling device that causes cooling water to flow into the first and second cooling water passages, and the cooling device is configured so that a temperature of the cooling water that is introduced into the second cooling water passage becomes lower than a temperature of cooling water that is introduced into the first cooling water passage.

A thermal management system for a vehicle may be selectively controlled to supply heat from any one of a plurality of different heat sources, to any one of a plurality of different heat sinks. The heat sources may include: an internal combustion engine, a cylinder head, an exhaust gas heat recovery system, an exhaust gas recirculation system, or a turbocharging system. The heat sinks may include: the internal combustion engine, the cylinder heat, an engine oil cooler, a transmission oil cooler, and a heating core. Each of an engine oil cooler control valve, a transmission oil cooler control valve, a heating core control valve, an engine block control valve, a cylinder head control valve, a bypass control valve, and a heat transfer control valve are controlled to effectuate a desired operating mode for the thermal management system.

A number of variations may include a thermal management system comprising: an engine, an exhaust heat recovery system, and a coolant system comprising a coolant circuit and a coolant pump wherein the coolant pump operates independently of the engine and is operated by an electronic control unit, and wherein the electronic control unit is constructed and arranged to operate the coolant pump after engine start up to limit coolant temperature below a predetermined value in and/or near the exhaust heat recovery system.

Methods and systems are provided for a valve for controlling the flow of a fluid medium in a coolant circuit of an internal combustion engine. The valve is configured to react to the temperature of the coolant via an expansion element and to the charge pressure in the intake tract via a pressure-sensitive actuator.

An engine cooling system may include a main intake line for supplying external air to an intake manifold attached to an engine including a cylinder block and a cylinder head, a supplementary intake line branched from one side of the main intake line and joined to the other side of the main intake line, an intake route control valve in the main intake line, a main exhaust line for flowing exhaust gas from an exhaust manifold, an exhaust route control valve in the main exhaust line, a turbocharger, an intercooler mounted to the supplementary intake line on a downstream side of the turbocharger, an EGR cooler branched from the exhaust manifold for recirculating the exhaust gas and provided in an EGR line connected to the main intake line; and a cooling line for flowing a coolant supplied from a water pump to cool the EGR cooler, the exhaust route control valve and/or the turbine housing of the turbocharger.

A radiator-intercooler integrated module and a vehicle including the same are provided. The radiator-intercooler integrated module includes a low-temperature radiator and a water cooled intercooler of the vehicle which are integrated into a single body.