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| Number | Title | Issue Date |
| 8176735 | Control device for multi-stage turbochargers A control device for multi-stage turbochargers is provided that is capable of improving fuel consumption in transient and stationary states of an engine equipped with multi-stage turbochargers. A control device 1 for multi-stage turbochargers which are turboc... | 05/15/2012 |
| 8161744 | Internal combustion engine with turbocharger surge detection and control An internal combustion engine includes a block defining a plurality of combustion cylinders, an intake manifold fluidly coupled with at least one combustion cylinder, and an exhaust manifold fluidly coupled with at least one combustion cylinder. An EGR valve may be ... | 04/24/2012 |
| 8161746 | Method and system for providing air to an engine Systems and methods for supplying air to an engine are disclosed. In one example, an air inlet throttle is at least partially closed in response to a change in engine torque request. In another example, the air inlet throttle is adjusted in conjunction with adjustin... | 04/24/2012 |
| 8161745 | Turbocharger The invention relates to a turbocharger (1) having a turbine (2); and having a compressor (3) connected to the turbine (2) by means of a bearing housing (4), the compressor comprising a compressor housing (5), which has a re... | 04/24/2012 |
| 8156741 | Exhaust gas turbocharger for an internal combustion engine and device for switching an air guiding device of an exhaust gas turbocharger An exhaust gas turbocharger for an internal combustion engine has a compressor arranged in an intake tract of an internal combustion engine for precompression of air passing through the intake tract to the compressor. A switchable air guiding device is arranged upst... | 04/17/2012 |
| 8146358 | Bearing health monitor A turbocharger monitor including a sensor adapted and positioned with respect to a turbocharger housing to sense passing compressor blades, generating both rotor rotation information and rotor displacement information. A controller is configured to receive the gener... | 04/03/2012 |
| 8141358 | Method for controlling cylinder air charge for a turbo charged engine having variable event valve actuators A method for controlling cylinder air charge of an engine having a compressor is presented. In one example, the description includes a method for coordinating the control of the throttle, turbo charger, and valves such that the desired cylinder air charge may be ach... | 03/27/2012 |
| 8122717 | Integration of an exhaust air cooler into a turbocharger 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 fl... | 02/28/2012 |
| 8096123 | System and method for mode transition for a two-stage series sequential turbocharger A method of controlling a series turbocharger for an engine and a control system for the same includes a boost determination module determining a first predicted boost pressure for a first position of a variable geometry turbine when a high pressure turbine bypass v... | 01/17/2012 |
| 8087244 | Internal combustion engine with a system for secondary air charging and method for operation of the internal combustion engine An internal combustion engine with a system for secondary air charging has a combustion unit, an intake air conduit connected to the combustion unit, and an exhaust gas conduit connected to the combustion unit. A throttle is arranged in the intake air conduit. A tur... | 01/03/2012 |
| 8020381 | Method for determining necessity of multiple vane cleaning procedures A method of operating an internal combustion engine with a variable geometry turbocharger whereby the turbocharger is cleaned of accumulated soot on a time based periodic basis. ... | 09/20/2011 |
| 7992388 | Method for estimating compressor output temperature for a two-stage turbocharger A method for estimating the output temperature of the output compressor of a two-stage turbocharger. The method includes: storing a composite relationship relating temperature ratio across a pair of compressors of the two-stage turbocharger as a function of mass flo... | 08/09/2011 |
| 7984612 | Exhaust-gas turbocharger for an internal combustion engine In an exhaust-gas turbocharger for an internal combustion engine comprising an exhaust-gas turbine arranged in an exhaust strand of the internal combustion engine and a compressor arranged in an intake tract and connected to the exhaust gas turbine so as to be drive... | 07/26/2011 |
| 7966815 | Engine load estimation Engine load for a supercharged engine is estimated by determining airflow upstream of a throttle valve that is upstream of a supercharger, subtracting a value representative of a change in air mass between the throttle valve and the supercharger based on a measured ... | 06/28/2011 |
| 7958727 | Electric boost compressor and turbine generator system An exemplary system for an internal combustion engine includes an exhaust turbine operably coupled to a generator, an intake air compressor operably coupled to an electric motor and mechanically decoupled from the exhaust turbine and a controller to direct electrici... | 06/14/2011 |
| 7958729 | Compressor in the intake tract of an internal combustion engine A compressor in the intake tractate of an internal combustion engine has a compressor chamber and a compressor wheel arranged in the compressor chamber. A drive unit with shaft is provided, wherein the compressor wheel is coupled to the shaft. An intermediate chambe... | 06/14/2011 |
| 7958728 | Device for turbocharging an internal combusting engine comprising a pulsation damping chamber A device for turbocharging an internal combustion engine including a turbocompessor including a turbine driven by the engine exhaust gas and a compressor driven by the turbine and compresses the engine intake air. An air intake conduit connects the compressor output... | 06/14/2011 |
| 7950227 | High response compact turbocharger An exemplary compressor for a turbocharger includes a compressor wheel that includes first and second compressor faces oriented back-to-back and a bore for mounting the compressor wheel to a shaft along a rotational axis of the compressor wheel; and a compressor hou... | 05/31/2011 |
| 7937941 | Method for operating an internal combustion engine A method for operating an internal combustion engine in which fresh air, under ambient pressure, is compressed with the aid of a compressor, in particular an exhaust gas turbocharger, and supplied to a combustion chamber of the internal combustion engine via a throt... | 05/10/2011 |
| 7926271 | Fresh gas supply device for a turbocharged piston internal combustion engine A fresh gas supply device for a turbocharged piston internal combustion engine having fresh gas conduction elements is described. The device includes a compressed air connection operatively connected to a tubular interior chamber of the fresh gas conduction elements... | 04/19/2011 |
| 7921646 | Fluidic valve water drain A turbocharger is disclosed that includes a compressor, a turbine connected to the compressor by a mechanical shaft, and a fluidic drain valve in flow communication with an air bleed port of the compressor and an exhaust plenum to drain water accumulated inside the ... | 04/12/2011 |
| 7905091 | Method and device for controlling or regulating the boost pressure of an internal combustion engine having a compressor A method and a device for regulating the boost pressure of an internal combustion engine having a compressor, which set a setpoint boost pressure in a rapid manner and without overshooting. An actuator is provided by which the boost pressure of the compressor is set... | 03/15/2011 |
| 7900449 | Vibration suppressor A vibration suppressor and a vibration damper are configured in a system including an internal combustion engine and an exhaust-gas turbo charger. The vibration suppressor and vibration damper are secured to an exposed place on the system which is subjected to stron... | 03/08/2011 |
| 7870731 | Exhaust gas turbocharger for an internal combustion engine In an exhaust gas turbocharger for an internal combustion engine having a turbine wheel connected, by means of a shaft, to the compressor wheel of a compressor which includes a variable inlet geometry comprising a plunger and a sleeve-shaped partition for controllin... | 01/18/2011 |
| 7866156 | Device and method for supplying fresh air to a turbocharged reciprocating-piston internal combustion engine A device for fresh-gas supply for a turbocharged, compression-ignition, reciprocating-piston internal-combustion engine is provided. The engine has fresh-gas supply pipe and exhaust gas manifold pipe, between which an EGR device is installed. A tubular inside space ... | 01/11/2011 |
| 7854118 | Supercharged internal combustion engine A supercharged internal combustion engine system wherein the supercharger assembly includes an ejector pump driven by high-pressure air for pumping intake air into engine combustion chamber. Included are means for sensing engine power demand and controlling the supe... | 12/21/2010 |
| 7797937 | EGR equipped engine having condensation dispersion device A condensation dispersion device for use with a power source having an exhaust recirculation system is disclosed. The condensation dispersion device may have a housing with an inlet configured to receive exhaust, and an outlet configured to discharge exhaust. The co... | 09/21/2010 |
| 7770393 | Control of turbocharger imbalance A method for controlling flow differences in a turbocharged internal combustion engine is presented. In one example, the description includes a method for adjusting valve timing to reduce flow variation between two compressors. ... | 08/10/2010 |
| 7730724 | Turbocharger shaft over-speed compensation A method for controlling engine operation, the engine having a turbocharger coupled between an intake and exhaust manifold of the engine via a turbocharger shaft, the method comprising dynamically determining turbocharger shaft speed based at least on intake and exh... | 06/08/2010 |
| 7690200 | Device for imparting a whirling motion on the flow of air for supplying a turbo-supercharged internal-combustion engine A device for imparting a whirling motion on the flow of air for supplying a turbo-supercharged internal-combustion engine is designed to be interposed in the duct for supplying the air upstream of the supercharger for supercharging the engine. The device comprises a... | 04/06/2010 |
| 7665302 | Device for supplying fresh air to a turbocharged piston internal combustion engine and method for operating the same A device and method for supplying fresh air to a turbocharged piston internal combustion engine are described. According to the invention, a fresh gas line section of an intake manifold has an adjustable flap, and inlet and outlet ports. An adjustment device is coup... | 02/23/2010 |
| 7658069 | Air charger system diagnostic A method for monitoring and diagnosing an air charger system for use in an engine assembly having pre-existing sensors, having the steps of providing an air charger having a turbine and a compressor operatively coupled to one another. Providing a control unit for mo... | 02/09/2010 |
| 7640745 | High-pressure fluid compression system utilizing cascading effluent energy recovery A high-pressure system and method utilizing an input fluid. The system includes a reactor treating a material to produce an effluent having an energy content, a plurality of stages compressing the input fluid in a stepwise manner providing a high-pressure reactor in... | 01/05/2010 |
| 7640744 | Method for compensating compressor lag of a hybrid powertrain A method for compensating for the torque response of an internal combustion engine having a compressor coupled thereto for boosting cylinder air amount is presented. According to the method, a motor of a hybrid vehicle may assist the internal combustion engine to im... | 01/05/2010 |
| 7631497 | Turbine heat shield with ribs A turbocharger (10) with a heat shield (60) positioned between the turbine wheel (30) and the bearing housing (20), wherein the heat shield defines a gap (70) between the turbine wheel (30). The heat shield (60) and i... | 12/15/2009 |
| 7631498 | Bearing health monitor A turbocharger monitor including a sensor adapted and positioned with respect to a turbocharger housing to sense passing compressor blades, generating both rotor rotation information and rotor displacement information. A controller is configured to receive the gener... | 12/15/2009 |
| 7624575 | EGR mixer and ported shroud compressor housing The present invention provides an assembly comprising a compressor housing and EGR mixer, the assembly further comprising a ported shroud in the compressor housing and a noise suppressor in the EGR mixer. ... | 12/01/2009 |
| 7614231 | Method and system to operate diesel engine using real time six dimensional empirical diesel exhaust pressure model A method to estimate real-time exhaust pressure in a compression ignition engine with variable geometry turbocharger and an EGR by adding the turbocharger RPM, the engine RPM, EGR value position and intake manifold pressure to determine a final turbocharger turbine ... | 11/10/2009 |
| 7571607 | Two-shaft turbocharger A turbocharger, having an axial compressor wheel and an axial turbine wheel mounted on a first shaft supported by a housing, and a radial compressor wheel and a radial turbine wheel mounted on a second shaft, the second shaft concentrically extending around the firs... | 08/11/2009 |
| 7568338 | Multi-piece compressor housing An exemplary compressor housing includes an axis to coincide with a rotational axis of a compressor wheel housed by the compressor housing, an inlet insert that includes an inlet port and a compressor wheel shroud portion that extends away from the inlet port to a r... | 08/04/2009 |
