Abstract: An engine assembly generally includes an engine and an intake manifold. The engine includes a plurality of cylinders. The plurality of cylinders includes a pair of cylinders. The engine is configured to sequentially fire the pair of cylinders. The intake manifold defines a plurality of ports. Each port is in fluid communication with one of the plurality of cylinders. The plurality of ports includes a pair of ports. Each of the pair of ports is disposed in fluid communication with one of the pair of cylinders. The intake manifold further includes a baffle disposed between the pair of ports to restrict fluid flow within the intake manifold between the pair of ports.

Abstract: A work machine having an air-breathing, fuel-consuming, liquid-cooled internal combustion (IC) engine and a turbocharger receiving combustion products from the IC engine and a compressor for pressurizing air to the IC engine. A primary heat exchanger is in fluid flow connection between the compressor and the IC engine and a secondary heat exchanger is in fluid flow connection between the compressor and the IC engine and is upstream of the primary heat exchanger. The secondary heat exchanger is an air-to-liquid heat exchanger and receives liquid coolant from the IC engine.

Abstract: The intake system includes an integrated airflow cooler module comprising a lower manifold assembly and a throttle body fluidly connected to, and disposed within the lower manifold assembly to meter combustion air into a lower manifold volume of the lower manifold assembly. An upper manifold assembly is configured for assembly to the lower manifold assembly to define a manifold volume therebetween and a heat exchanger is disposed in the manifold volume, between the upper manifold assembly and the lower manifold assembly and between a combustion air inlet in the integrated airflow cooler module and the throttle body.

Abstract: A charge air duct for an internal combustion engine includes a housing with at least one entrance and at least one exit for charge air. A heat exchanger is arranged inside the housing to cool the charge air, a bypass is arranged on the housing to at least partially circumvent the heat exchanger and an actuator is arranged on the housing to influence the charge air flow. The charge air is guided from the entrance to the heat exchanger in a first position of the actuator and from the entrance to the bypass in a second position of the actuator, and the actuator at least partially reduces a cross-section of the charge air in a third position.

Abstract: An air intake manifold for an engine includes an air inlet to receive a flow of compressed charge air, and multiple runners to deliver cooled compressed charge air to corresponding combustion cylinders of the engine. A charge air cooler is arranged within the intake manifold between the air inlet and the runners, and includes a first core section and a second core section. The first and second core sections are arranged fluidly in parallel with respect to the flow of compressed charge air, so that the charge air is divided into a first portion that is substantially directed through the first core section to a first subset of the runners, and a second portion that is substantially directed through the second core section to a second subset of the runners.

Abstract: A charge air cooler arrangement, a charge air cooler tank, and method are disclosed. The charge air cooler arrangement includes a charge air cooler having an operable thermal transfer area configured to transfer heat from inside the charge air cooler to outside of the charge air cooler. The charge air cooler arrangement may also include a valve configured to change the operable thermal transfer area from a relatively large area to a relatively small area.

Abstract: A charge-air cooler includes a reticulated foam element configured to provide a plurality of nonlinear flow paths for a relatively high-temperature first fluid. The charge-air cooler also includes a cooling passage element disposed one of proximate to and in direct contact with the reticulated foam element and configured to accept a relatively low-temperature second fluid. The charge-air cooler additionally includes a header element having a first connection configured to accept inflow of the second fluid to the cooling passage element and a second connection configured to facilitate outflow of the second fluid from the cooling passage element. Furthermore, the charge-air cooler includes a casing configured to house the reticulated foam element, the cooling passage element, and the header element. An internal combustion engine employing such a charge-air cooler is also disclosed.

Abstract: An engine cooling system comprises a charge air cooler having an inlet, a plurality of heat exchange passages fluidically coupled to the inlet, and an outlet fluidically coupled to the heat exchange passages, and a conduit coupled to the outlet and an intake manifold of an engine, the conduit divided to include a first and second flow path to the intake manifold with a valve positioned at an inlet of the first flow path. In this way, accumulated condensate in the charge air cooler may be moved to the engine during low intake velocity conditions.

Abstract: A charge air cooler assembly for an internal combustion engine is described. A housing of the charge air cooler assembly includes a dividing wall that separates flow after the charge air cooler into two separate flow paths.

Abstract: A charge air duct for an internal combustion engine includes a housing with at least one entrance and at least one exit for charge air, a first heat exchanger arranged inside the housing to cool the charge air, a bypass arranged on the housing to at least partially circumvent the heat exchanger, and an actuator arranged on the housing to influence the charge air flow. The charge air is guided from the entrance to the first heat exchanger in a first position of the actuator and from the entrance to the bypass in a second position of the actuator, and the bypass leads upstream of a second heat exchanger of the charge air duct.

Abstract: A turbocharged motor vehicle engine system includes an engine having an intake manifold, an exhaust manifold, and a crankcase ventilation outlet. A turbocharger includes a turbine having an inlet fluidly connected to the exhaust manifold through an exhaust conduit and a turbo compressor having an outlet fluidly connected to the intake manifold through an inlet conduit. The turbo compressor also includes an inlet. A crankcase gas conditioning member includes an inlet section fluidly connected to the crankcase ventilation outlet and an outlet section fluidly connected to the turbo compressor inlet. An idle bypass conduit includes an inlet portion fluidly connected to the outlet section of the crankcase gas conditioning member and an outlet portion fluidly connected to the inlet conduit. The idle bypass conduit is configured and disposed to selectively bypass the turbo charger while the engine is operating at an idle.

Abstract: Methods and systems are provided for estimating an ambient humidity value used to determine condensate formation in a charge air cooler. The ambient humidity value is determined from charge air cooler efficiency and windshield wiper speed thresholds. The humidity value is used to calculate an amount of condensate in a charge air cooler and control engine systems to reduce condensate formation and engine misfire.

Abstract: A split-cycle air hybrid engine with improved efficiency is disclosed in which the centerline of a compression cylinder is positioned at a non-zero angle with respect to the centerline of an expansion cylinder such that the engine has a V-shaped configuration. In one embodiment, the centerlines of the respective cylinders intersect an axis parallel to, but offset from, the axis of rotation of the crankshaft. Modular crossover passages, crossover passage manifolds, and associated air reservoir valve assemblies and thermal regulation systems are also disclosed.

Abstract: Methods and systems are provided for reducing corrosion of a charge air cooler and preventing engine misfire due to condensate formation. In response to a condensate forming region in a charge air cooler, a grille shutter system is adjusted, moving the condensate region to a different location in the charge air cooler. Grille shutter orientation may also be controlled in response to vehicle operating conditions and condensate-forming weather conditions.

Abstract: Embodiments for controlling condensate in a charge air cooler are provided. In one example, a method for a charge air cooler comprises, responsive to a condensate level in the charge air cooler, increasing boost pressure and maintaining a requested level of torque by routing a portion of air flow exiting the charge air cooler to an intake passage upstream of a compressor. In this way, accumulated condensate in the charge air cooler may be removed while maintaining driver-requested torque.

Abstract: An air intake system for delivering induction air to a cylinder head of an internal combustion engine, including an intake plenum assembly mounted to an intake manifold, wherein the intake manifold is mounted to the cylinder head and an airflow cooler module mounted to the intake plenum. The air intake system also includes a throttle body and heat exchanger disposed in the airflow cooler module between an induction air inlet of the airflow cooler module and the intake plenum, wherein an induction air flow path extends from the induction air inlet, through the heat exchanger and the intake plenum to the cylinder head of the internal combustion engine.

Abstract: An intake manifold is provided that includes an integrated charge air cooler and a housing having a first housing part and a second housing part connected thereto. The charge air flows into the housing via an inlet and flows out of the housing via an outlet. The charge air cooler is disposed in the housing and is permeated by the charge air on the path from the inlet to the outlet. Also, the charge air cooler is completely enclosed by the housing, except for passages for passing a cooling fluid, and the charge air cooler is elastically supported relative to the housing by at least one elastic bearing element in particular disposed on a collector of the charge air cooler.

Abstract: A charge-air cooler includes a reticulated foam element configured to provide a plurality of nonlinear flow paths for a relatively high-temperature first fluid. The charge-air cooler also includes a cooling passage element disposed one of proximate to and in direct contact with the reticulated foam element and configured to accept a relatively low-temperature second fluid. The charge-air cooler additionally includes a header element having a first connection configured to accept inflow of the second fluid to the cooling passage element and a second connection configured to facilitate outflow of the second fluid from the cooling passage element. Furthermore, the charge-air cooler includes a casing configured to house the reticulated foam element, the cooling passage element, and the header element. An internal combustion engine employing such a charge-air cooler is also disclosed.

Abstract: Embodiments for controlling condensate in a charge air cooler are provided. In one example, a charge air cooler comprises an inlet to admit charge air, a plurality of heat exchange passages to remove heat from the charge air, an outlet configured to discharge the charge air from the heat exchange passages to an intake passage upstream of an intake manifold of an engine, and a dispersion element extending at least partially across the outlet.

Abstract: An intake device of an engine comprises an intake manifold of a four-cylinder inline engine and a water-cooling type of intercooler. The intake manifold includes a downstream branch pipe portion connecting to cylinders, a chamber portion connecting to the downstream branch pipe portion, and an upstream intake pipe portion connecting to the chamber portion. A rectangular opening portion having a vertically-long shape is formed at the upstream intake pipe portion. The intercooler includes an intercooler body portion having a pair of faces which has the widest face-area and faces to each other in an engine width direction. The intercooler body portion is installed in the chamber portion, by being inserted through the rectangular opening portion, so as to divide an inside of the chamber portion into two parts in the engine width direction thereby.

Abstract: An engine cooling system comprises a charge air cooler having an inlet, a plurality of heat exchange passages fluidically coupled to the inlet, and an outlet fluidically coupled to the heat exchange passages, and a conduit coupled to the outlet and an intake manifold of an engine, the conduit divided to include a first and second flow path to the intake manifold with a valve positioned at an inlet of the first flow path. In this way, accumulated condensate in the charge air cooler may be moved to the engine during low intake velocity conditions.

Abstract: A gas intake device for letting gases into an inlet volume of a cylinder head of a motor vehicle combustion engine includes a valve (10) for supplying the cylinder head with gas, this valve communicating with the inlet volume of the cylinder head directly and indirectly via a heat exchanger (14). The valve (10) and the heat exchanger (14) are mounted on a plate (21) intended to be mounted directly on the cylinder head. The device is compact and relatively insensitive to vibration.

Abstract: Embodiments for a charge air cooler are provided. In one example, an engine method comprises increasing intake air flow velocity through a charge air cooler in response to an estimated condensation formation value within the charge air cooler. In this way, condensation accumulation within the charge air cooler may be prevented.

Abstract: A gas cooler for an internal combustion engine is provided that includes a gas duct through which a gas flow supplied to the internal combustion engine can flow in a flow direction, and having a heat exchanger which is inserted into the gas duct through a lateral opening in an insertion direction, wherein a fluid or cooling the gas flow can flow through the heat exchanger, and wherein a first profile which runs in the insertion direction is formed on at least one side of the heat exchanger, which first profile meshes with a second profile provided on the gas duct.

Abstract: A new and improved combustion chamber and cooling system for a fastener-driving tool wherein a new and improved tangentially oriented, vortex induced fuel-injection system is operatively associated with the tool's combustion chamber. In addition, a new and improved trigger-controlled valve actuating system, such as, for example, a switch-operated, solenoid-actuated valve-controlling system, is incorporated within the tool so as to ensure the rapid operation of the intake and outlet valve structures. Still further, a sealed, liquid evaporative or liquid recirculating cooling system is integrally incorporated within the tool housing.

Abstract: A charge air cooler, a system to control condensation within a plurality of cooling tubes of a charge air cooler, and a method are disclosed. The system includes an air flow control arrangement configured to selectively ensure a flow rate of charge air through each individual cooling tube is either essentially zero or above a predetermined minimum flow rate in accordance with predetermined operating conditions of the engine.

Abstract: The invention relates to an intake pipe for an internal combustion engine of a motor vehicle, comprising a housing that defines a charge-air channel and an intercooler having a cooler block, which is arranged in the housing in such a way that the charge air can flow through the cooler block. The cooler block of the intercooler terminates on a side facing the housing with an outer component, preferably a cooling fin, and at least one recess is formed in said outer component of the cooler block, the at least one recess extending at least across part of the length of the cooler block substantially perpendicularly to the charge-air flow direction. Furthermore, at least one projection is provided on an inside face of the housing facing the cooler block of the intercooler, said projection extending at least across part of the inner face of the housing substantially perpendicularly to the charge-air flow direction and engaging at least partially in the at least one recess of the cooler block in a sealing manner.

Abstract: The invention relates to a device (6) for channeling a stream of feed gas for an internal combustion engine, said device (6) being able to be installed at least facing an exchanger (7) for the thermal conditioning of the stream of gas, the device comprises a first canal (15), referred to as central canal, for the circulation of the stream of gas, delimited by a first part (19) of a wall (17) and intended to channel the stream of gas toward a first zone (20) of a face (40) of the exchanger (7), said device comprising at least one second canal (16), referred to as lateral canal, for the circulation of the stream of gas, delimited by a second part (27) of the wall (17) and intended to channel the stream of gas toward a second zone (28) of said face (40) of the exchanger (7). The invention also relates to an intake airbox of an internal combustion engine and to an air inlet box of said airbox equipped with such a device.

Abstract: The present invention relates to a device for cooling charge air for an internal combustion engine of a vehicle. The device comprises a plurality of first coolant pipes for conducting a first coolant and a plurality of second coolant pipes for conducting a second coolant, wherein the first coolant pipes and the second coolant pipes extend in a longitudinal extension direction of the device and the plurality of first coolant pipes is arranged adjacent to the plurality of second coolant pipes in a transverse extension direction of the device.

Abstract: An intake device of an engine comprises an intake manifold of a four-cylinder inline engine and a water-cooling type of intercooler. The intake manifold includes a downstream branch pipe portion connecting to cylinders, a chamber portion connecting to the downstream branch pipe portion, and an upstream intake pipe portion connecting to the chamber portion. A rectangular opening portion having a vertically-long shape is formed at the upstream intake pipe portion. The intercooler includes an intercooler body portion having a pair of faces which has the widest face-area and faces to each other in an engine width direction. The intercooler body portion is installed in the chamber portion, by being inserted through the rectangular opening portion, so as to divide an inside of the chamber portion into two parts in the engine width direction thereby.

Abstract: An intercooler assembly for cooling charge air to be delivered to an internal combustion engine is disclosed. The said assembly is disposed along an axis in the axial direction, including an intercooler housing having a housing cavity for receiving an intercooler core therein. Conventional cooling fluid is channeled axially through an axial chamber of the intercooler core for cooling the core and charge air is channeled around the outer surface of the core for cooling the charge air, wherein the core assembly further including a means for rotating the intercooler core about the axis, thereby increasing the cooling of the charge air as it flows around the outer surface of the intercooler core.

Abstract: A charge air cooler assembly for an internal combustion engine is described. A housing of the charge air cooler assembly includes a dividing wall that separates flow after the charge air cooler into two separate flow paths.

Abstract: A high-altitude aircraft powerplant including an engine, a two-stage turbocharger having an intercooler and an aftercooler, a cryogenic hydrogen fuel source, and a cooling system including a hydrogen heat exchanger. Aided by a ram-air cooler that cools a coolant to a near-ambient temperature, the heat exchanger is configured to heat the hydrogen using the coolant, and to cool the coolant to a temperature well below the ambient temperature during high-altitude flight. The intercooler and aftercooler use the sub-ambient temperature coolant, as does a separate sensor. The ram-air cooler includes a front portion and a rear portion. The cooling system includes three cooling loops which respectively incorporate only the front portion, only the rear portion, and both portions of the ram-air cooler.

Abstract: A two stage cooled EGR system for a turbocharged internal combustion engine with an intake air charge air cooler. The first EGR cooler is a liquid-to-air cooler and the second, low temperature EGR cooler, is an air-to-air cooler combining with the gas flow downstream of the intake air cooler. The system bypasses EGR flow through the low temperature EGR cooler during certain engine conditions such as low engine coolant temperature and a check valve allows a limited portion of un-cooled, pressurized intake air to be passed through the low temperature EGR cooler for scavenging of any residual moisture and ultimate consumption by the engine.

Abstract: Systems and methods for a charge-air-cooler are provided. The system may include an engine air passage, a charge-air-cooler including a plurality of heat exchange passages, and a condensate collector positioned within an interior of the charge-air-cooler, wherein the condensate collector is in fluid communication with at least one heat exchange passage and the engine air passage.

Abstract: An example method for operating an internal combustion engine having at least one cylinder, at least one intake line for supplying charge air to the at least one cylinder, and a device for controlling charge-air flows conducted via a charge-air cooler and via a bypass line around the charge-air cooler, comprises controlling the charge-air flows using the device, the device including a two-stage switchable shut-off element and a continuously adjustable shut-off element, wherein the two-stage switchable shut-off element, which is arranged parallel to the bypass line in the at least one intake line, is switched between an open position and a closed position, and the bypass line is opened up or shut off to a greater or lesser extent by the shut-off element which is continuously adjustable between an open position and a closed position. In this way, shuddering of the engine during shut down is prevented.

Abstract: In a charge air supply arrangement of an internal combustion engine with two stage charging in combination with a charge air cooler, a double connection box is provided with a guide structure including a separation wall defining a lower guide area with a lower connection to a first charge air cooler disposed directly below the double connection box and an upper guide area with an upper connection to a second charge air cooler disposed directly on top of the double connection box, and an internal combustion engine with a charge to air cooling arrangement is arranged on top of the engine.

Abstract: Embodiments for an engine system are provided. One example internal combustion engine having at least one cylinder head and at least two cylinders, in which each cylinder has at least one inlet opening for the supply of combustion air into the cylinder, comprises an intake line leading to each inlet opening, an overall intake line where the intake lines of at least two cylinders merge, such that a distributor junction point is formed, and a heating device arranged in the overall intake line which has at least one strip-like heating element, a first narrow side of a cross section of which faces toward intake combustion air flow, wherein the heating device is arranged adjacent to the distributor junction point at which the intake lines merge to form the overall intake line, a spacing between the heating device and the distributor junction point being smaller than the diameter of a cylinder.

Abstract: An intake manifold is provided that includes an integrated charge air cooler, comprising a housing having a first housing part and a second housing part connected thereto, wherein charge air flows into the housing via an inlet and flows out of the housing via an outlet, wherein the charge air cooler is disposed in the housing and is permeated by the charge air on the path from the inlet to the outlet, wherein the charge air cooler is completely enclosed by the housing, except for passages for passing a cooling fluid, and the charge air cooler is elastically supported relative to the housing, wherein the support takes place by means of at least one elastic bearing element in particular disposed on a collector of the charge air cooler.

Abstract: An intake manifold arrangement of an internal combustion engine has an intake manifold and a cooling fluid charge air cooler arranged in the intake manifold. The cooling fluid charge air cooler has cooling fluid tanks at first and second opposite ends. At least one of the cooling fluid tanks at the first end forms at least a part of the intake manifold and is an integral component of the cooling fluid charge air cooler.

Abstract: The invention relates to a piston engine comprising an intake air duct (2) for conducting intake air into cylinders (3) of the engine (1). The intake air duct (2) is provided with liquid removal means (15) for removing liquid from an inner surface (19) of the intake air duct (2).

Abstract: A gas cooler for an internal combustion engine is provided that includes a gas duct through which a gas flow supplied to the internal combustion engine can flow in a flow direction, and having a heat exchanger which is inserted into the gas duct through a lateral opening in an insertion direction, wherein a fluid or cooling the gas flow can flow through the heat exchanger, and wherein a first profile which runs in the insertion direction is formed on at least one side of the heat exchanger, which first profile meshes with a second profile provided on the gas duct.

Abstract: A motor vehicle includes a combustion engine and an intake tract for feeding air to the combustion engine. A compressor is arranged in the intake tract for compressing air, and a turbine is arranged in the intake tract downstream of the compressor and powered by air compressed in the compressor.

Abstract: Thermal management systems and methods related to controlling temperature of internal combustion engines are provided. In one embodiment, a thermal management system includes an air intake structure defining an air intake passage therethrough coupled to a plurality of cylinders in an engine, a multi-stage cooling assembly, positioned in the air intake passage, including an air-to-coolant intercooler for cooling intake air and an air-to-air heat exchanger for cooling intake air, an air-to-coolant radiator fluidly coupled with the air-to-coolant intercooler of the multi-stage cooling assembly, a first fan operable to provide air flow to the multi-stage cooling assembly and the air-to-coolant radiator, and a second fan operable to provide air flow to the air-to-coolant radiator.

Abstract: The intake system includes an integrated airflow cooler module comprising a lower manifold assembly and a throttle body fluidly connected to, and disposed within the lower manifold assembly to meter combustion air into a lower manifold volume of the lower manifold assembly. An upper manifold assembly is configured for assembly to the lower manifold assembly to define a manifold volume therebetween and a heat exchanger is disposed in the manifold volume, between the upper manifold assembly and the lower manifold assembly and between a combustion air inlet in the integrated airflow cooler module and the throttle body.

Abstract: Various methods and systems are provided for an air induction system for an engine. In one example, the air induction system includes an intake conduit and an assembly coupled to the intake conduit which includes a water spray for removing particulates from, and for cooling, intake air flowing through the water spray.

Abstract: A charge air cooler for an internal combustion engine is disclosed. The charge air cooler includes at least one connecting piece for connection to at least one cooling circuit configured to conduct coolant. The charge air cooler includes at least one coolant pump for circulating the coolant. The at least one coolant pump is integrated in at least one flow path within the charge air cooler.

Abstract: A system for separating and dispersing condensate formed in a charge air cooler of a turbocharged engine system. The system includes a drain tube on the charge air cooler lower surface that is plumbed to a reservoir, with a charge air recirculation tube plumbed from the reservoir to the turbocharger compressor inlet duct. The pressure difference between the charge air cooler and the compressor inlet draws any condensate formed in the charge air cooler back into the reservoir. A valve at the bottom of the condensate reservoir will open under predetermined vehicle operating conditions to drain the stored condensate out from the reservoir. The condensate could be simply drained to the ground, or a spray bar could be connected to the reservoir outlet to spay the condensate on to the outside surface of the charge air cooler, providing additional performance for brief periods of high engine load operation.

Abstract: The present invention generally relates to a system that enables one to both: (i) address various thermal management issues (e.g., inlet air cooling) in gas turbines, gas turbine engines, industrial process equipment and/or internal combustion engines; and (ii) yield a supercritical fluid-based heat engine. In one embodiment, the present invention utilizes at least one working fluid selected from ammonia, carbon dioxide, nitrogen, or other suitable working fluid medium. In another embodiment, the present invention utilizes carbon dioxide or ammonia as a working fluid to achieve a system that enables one to address inlet cooling issues in a gas turbine, internal combustion engine or other industrial application while also yielding a supercritical fluid based heat engine as a second cycle using the waste heat from the gas turbine and/or internal combustion engine to create a combined power cycle.

Abstract: An engine has a charging system in which pressurized air is supplied to an intake side of the engine through an intake air passage. An induction passage branches and extends from the middle of the intake air passage and is provided with a control valve. The induction passage is in communication with an exhaust passage. The induction passage supplies secondary air to the exhaust passage through the control valve to treat the engine's exhaust gas.