Abstract: An engine assembly (10) comprising an engine, a plurality of coolers, a plurality of bypasses, and at least one actuator (32). The engine has an exhaust manifold and an intake manifold. The gaseous fluid exiting the exhaust manifold is recirculated to the intake manifold. The exhaust gas passes through either an air cooler or a bypass. At least one actuator is operably connected to the plurality of bypasses. The bypasses have a valve (28, 30) which is actuated to control the flow of the gaseous fluid through the bypass as both the bypass and the cooler. Therefore, when a single actuator is used to control the valves in both bypasses, the valves in the bypasses have the same relationship with the inlets so that a single actuator movement will control both valves in the same manner.

Abstract: An exhaust-gas aftertreatment system for an internal combustion engine of a vehicle includes at least one exhaust line, at least one turbocharger and at least one exhaust-gas converter. The at least one exhaust-gas converter is provided between the internal combustion engine and the at least one turbocharger and has a first volume of at least 0.6 liters. A method for purifying exhaust gas and a vehicle having the system, are also provided.

Abstract: One embodiment of the invention includes a method comprising: in a combustion engine breathing system having an air intake side and a combustion exhaust side, injecting air from the air intake side into the combustion gas exhaust side.

Abstract: One embodiment includes windmilling a boost assist device by passing intake air through the boost assist device during operating modes where the device is not required to be operated (i.e., is not being actively powered). The windmilling effect will cause the boost assist device to rotate due to the windmilling effects of the air. This windmilling effect normally may not achieve full boost assist device operating speeds, but it will normally be sufficient to allow the boost assist device to avoid the high energy usage initial speed up phase of operation when the boost assist device is called upon to be actively powered. In one embodiment of the invention the windmilling conserves energy used to drive the boost assist device.

Abstract: One embodiment of the invention may include a method of controlling exhaust gas recirculation (EGR) in a turbocharged compression-ignition engine system including a high pressure (HP) EGR path and a low pressure (LP) EGR path. The method may include determining a target total EGR fraction for compliance with exhaust emissions criteria, and determining a target HP/LP EGR ratio to optimize other engine system criteria within the constraints of the determined target total EGR fraction. The determining of the target HP/LP EGR ratio may include using at least engine speed and load as input to a base model to output a base EGR value, using at least one other engine system parameter as input to at least one adjustment model to output at least one EGR adjustment value, and adjusting the base EGR value with the at least one EGR adjustment value to generate at least one adjusted EGR value.

Abstract: The present invention relates to a compressor-cooler module, having a housing, a compressor contained in the housing and an air cooler disposed within the housing and positioned in the flow path of the compressor. The present invention also includes an intake in fluid communication with the housing, a cooler bypass valve operably associated with the air cooler and the compressor, and a low-pressure exhaust gas recirculation passage operably associated with the cooler bypass valve, and the cooler by pass valve selectively directs exhaust gas to bypass the air cooler.

Abstract: The present invention is an exhaust gas recirculation (EGR) valve for an engine having an exhaust gas recirculation cooler operable for receiving exhaust gas from an exhaust, and delivering the exhaust gas to an intake. The present invention also includes an exhaust gas recirculation bypass passage operable for receiving exhaust gas from an exhaust, bypassing the exhaust gas recirculation cooler, and delivering the exhaust gas to an intake, as well as a single valve operably associated with the exhaust gas recirculation cooler and the exhaust gas recirculation bypass passage. The single valve is selectively operable for opening or closing flow from the exhaust to the exhaust gas recirculation cooler, the exhaust gas recirculation bypass passage, or both, the single valve also operable for metering flow therebetween.

Abstract: A valve assembly for use in an air management assembly having an engine, an exhaust side, and an intake side, where the valve assembly provides a housing, a plurality of openings in the housing, a valve in the housing, and an actuator operably connected to the valve. The housing is in fluid communication with the exhaust side and the intake side. The plurality of openings in the housing form at least one inlet and at least one outlet in the housing. The valve moves with respect to the plurality of openings.

Abstract: An air management assembly (10) for use in an engine (12) with an exhaust manifold (14) that outputs an exhaust gas and an intake manifold (16), with a filter (18) in fluid communication between the exhaust manifold (14) and turbocharger (20). The air management assembly (10) provides a compressor (22), a turbine (24), at least one gaseous fluid cooler (32, 36, 44), at least one bypass (28, 28)? and a housing (30) where the compressor (22), turbine (24), at least one gaseous fluid cooler (32), (36, 44), bypass (28, 28), or combination thereof are integrated into the housing (30). The compressor (22) is in fluid communication with the intake manifold (16). The turbine (24) is in fluid communication with the exhaust manifold (14). The turbine (24) and the compressor (22) are moveably coupled and move in conjunction with one another. The gaseous fluid coolers (32, 36, 44) are in fluid communication with the compressor (32), turbine (24), or combination thereof.

Abstract: One embodiment includes a housing (12) and a valve (10) to be used in an internal combustion engine exhaust breathing system (14). The housing (12) may define one or more inlet passages that receive fluid-flow, and may also define one or more outlet passages that deliver fluid-flow. The valve (10) regulates fluid-flow through the housing (12) and between the passages.

Abstract: A turbocharger arrangement providing a turbocharger, at least one treatment device, and at least one boost device. The turbocharger has a turbine and a compressor that are moveably coupled to one another. The turbine has an upstream path and a downstream path. The compressor has an upstream path and a downstream path. The at least one treatment device is in fluid communication with the upstream path of the turbine. The at least one additional boost device is operably engaged with the turbocharger to assist the flow of a gaseous fluid through the at least one treatment device and the turbocharger.

Abstract: A method of controlling exhaust gas recirculation (EGR) in a turbocharged compression-ignition engine system including an engine, an induction subsystem in upstream communication with the engine, an exhaust subsystem in downstream communication with the engine, a high pressure EGR path between the exhaust and induction subsystems upstream of a turbocharger turbine and downstream of a turbocharger compressor, and a low pressure EGR path between the exhaust and induction subsystems downstream of the turbocharger turbine and upstream of the turbocharger compressor. A target total EGR fraction for compliance with exhaust emissions criteria is determined, then a target HP/LP EGR ratio is determined to optimize other engine system criteria within the constraints of the determined target total EGR fraction.

Abstract: The present invention is a an exhaust gas return system (10) for reintroducing condensate generated in exhaust gas from an engine (14) into a compressor (36) of a turbocharger (18), having a turbocharger unit (18) having a turbine (20) and a compressor (36), and a compressor wheel (42) located inside the compressor (36). The present invention also includes a mixing pipe (52) located inside an intake tube (44) for receiving exhaust gas with droplets (54) from an EGR-tube (46), wherein the EGR-tube (46) delivers the exhaust gas with droplets (54) to the mixing pipe (52), mixing the air (41) and the exhaust gas with droplets (54) forming a mixture (64) containing droplets (50), and introducing the mixture (64) and the droplets (50) onto the compressor wheel (42) in an area of low circumferential speed, preventing damage to the compressor wheel (42).

Abstract: An engine (10, 100, 200, 34) assembly comprising an engine (36), at least one exhaust gas recirculation valve, (54) at least one throttle valve, and an actuator (12,112,212) operably connected to the EGR valve (56) and the throttle valve (54). The actuator (12, 112, 212) can be operably connected to any predetermined combination of a predetermined number of EGR valves (56) and a predetermined number of throttle valves (54). The actuator (12, 112, 212) can be a mechanical actuator, a pneumatic actuator, a hydraulic actuator, or an electrical actuator.

Abstract: An engine assembly (10) comprising an engine, a plurality of coolers, a plurality of bypasses, and at least one actuator (32). The engine has an exhaust manifold and an intake manifold. The gaseous fluid exiting the exhaust manifold is recirculated to the intake manifold. The exhaust gas passes through either an air cooler or a bypass. At least one actuator is operably connected to the plurality of bypasses. The bypasses have a valve (28, 30) which is actuated to control the flow of the gaseous fluid through the bypass as both the bypass and the cooler. Therefore, when a single actuator is used to control the valves in both bypasses, the valves in the bypasses have the same relationship with the inlets so that a single actuator movement will control both valves in the same manner.

Abstract: The present invention is an exhaust gas recirculation system for a motor vehicle, having a turbocharger unit (18) which has a turbine (20) and a compressor (36), the compressor (36) having a compressor wheel (42) which rotates on an axis (66). There is also a dispersion apparatus (56) operably associated with a condensation separation apparatus (58). The condensation separation apparatus (58) separates moisture from exhaust gas flowing from the turbine (20), and the dispersion apparatus (56) reintroduces the moisture into the compressor (36) in proximity to the compressor wheel axis (66), preventing erosion of the compressor wheel (42).

Abstract: A method including selectively injecting non-cooled exhaust gas into a primary air intake conduit at a first location; selectively injecting cooled exhaust gas into the primary air intake conduit at a second location; and wherein the second location is downstream from the first location with respect to the direction of gas flow in the primary air intake conduit.

Abstract: A method including selectively injecting non-cooled exhaust gas into a primary air intake conduit at a first location; selectively injecting cooled exhaust gas into the primary air intake conduit at a second location; and wherein the second location is downstream from the first location with respect to the direction of gas flow in the primary air intake conduit.

Abstract: The present invention is an exhaust gas recirculation (EGR) valve for an engine having an exhaust gas recirculation cooler operable for receiving exhaust gas from an exhaust, and delivering the exhaust gas to an intake. The present invention also includes an exhaust gas recirculation bypass passage operable for receiving exhaust gas from an exhaust, bypassing the exhaust gas recirculation cooler, and delivering the exhaust gas to an intake, as well as a single valve operably associated with the exhaust gas recirculation cooler and the exhaust gas recirculation bypass passage. The single valve is selectively operable for opening or closing flow from the exhaust to the exhaust gas recirculation cooler, the exhaust gas recirculation bypass passage, or both, the single valve also operable for metering flow therebetween.

Abstract: A valve assembly for use in an air management assembly having an engine, an exhaust side, and an intake side, where the valve assembly provides a housing, a plurality of openings in the housing, a valve in the housing, and an actuator operably connected to the valve. The housing is in fluid communication with the exhaust side and the intake side. The plurality of openings in the housing form at least one inlet and at least one outlet in the housing. The valve moves with respect to the plurality of openings.