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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...
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7621128 |
Combined EGR valve and cooler by-pass
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...
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7617679 |
Arrangement for recirculation of exhaust gases of a super-charged internal combustion engine
An arrangement for recirculation of exhaust gases of a supercharged combustion engine. A return line which connects an engine exhaust line to an air inlet line for air supply to the combustion...
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7617678 |
Exhaust throttle-EGR valve module for a diesel engine
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...
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7620490 |
Fuel injection control device for internal combustion engine
The invention provides a fuel injection control device for an internal combustion engine that can improve the accuracy of combustion control regarding smoke suppression. The fuel injection control...
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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...
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7610757 |
Intake controller of internal combustion engine
An intake controller installed in a diesel engine, wherein the control part of a valve controller fully opens a bypass valve in a bypass passage when it determines that the operating state of the...
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7607301 |
Exhaust gas heat exchanger, exhaust gas recirculation system, and exhaust gas heat exchanging method
In an exhaust gas heat exchanger for a system where a compressing means is located upstream of an internal combustion engine, and a part of exhaust gas from the internal combustion engine flows...
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7594398 |
Exhaust gas recirculation for an internal combustion engine and method therefor
An internal combustion engine ( 100 ) includes a crankcase ( 128 ) having a plurality of cylinders ( 126 ). An exhaust system ( 130 ) is in fluid communication with the plurality of cylinders ( 126...
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7591135 |
Method and system for using a measure of fueling rate in the air side control of an engine
Methods and systems for using a measure of fueling rate in the air side control of an engine. By using a measure of the fueling rate, the air side control may, for example, anticipate the future...
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7591255 |
Internal combustion engine and EGR heat exchanger for it
Internal combustion engine wherein a cooling medium inlet of an EGR (Exhaust Gas Recirculation) heat exchanger is fluidly connected to a turbine outlet of a turbocharger so as to use the exhaust...
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7591131 |
Low pressure EGR system having full range capability
An exhaust treatment system for an engine is disclosed and may have an air induction circuit, an exhaust circuit, and an exhaust recirculation circuit. The air induction circuit may be configured...
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7587888 |
Engine control apparatus
In an engine having apparatus for a post-exhaust process, surging is prevented when the air excess coefficient is changed to a lean condition from a rich condition in order to carry out the...
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7571608 |
Turbocharged engine system and method of operation
A system is provided. The system includes an internal combustion engine having an intake manifold and an exhaust manifold. The system also includes a high pressure turbocharger having a variable...
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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...
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7568340 |
Exhaust gas recirculation mixer
The present invention provides an exhaust gas recirculation mixer for use with a long route (i.e., low pressure) EGR system adapted for use in a turbocharged internal combustion engine. The mixer...
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7565895 |
Method and system of controlling swirl control valve
A method and system of controlling a swirl control valve includes determining whether a current condition is in Tip Out by detecting positions of VGT vanes and an EGR valve, fully opening the swirl...
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7562529 |
Internal combustion engine having an exhaust gas turbocharger and an exhaust gas recirculation system
In a supercharged internal combustion engine having an intake duct and an exhaust gas recirculation system and comprising an exhaust gas turbine with two separate flow passages of different flow...
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7540150 |
Internal combustion engine having two exhaust gas turbocharger
In an internal combustion engine provided with two exhaust gas turbochargers which each comprise a turbine in an exhaust line and one compressor in an intake section of the engine, two exhaust...
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7533657 |
Open/close controller of intake and exhaust communication circuit
In an open/close control device 40 installed in a diesel engine 1 , when a rotational speed N of the diesel engine 1 is equal to or higher than an intermediate rotational speed and a fuel...
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7536252 |
Method and system for controlling a flowrate of a recirculated exhaust gas
A method and system for controlling an exhaust gas recirculation (EGR) system is provided. The EGR system recirculates a portion of an exhaust through an inlet portion of the turbomachine. The EGR...
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7530229 |
Control device for supercharger with electric motor
An object of the present invention is to provide a control apparatus for an electrically assisted supercharger capable of effectively compensating for an output drop even with decrease in the...
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7530336 |
Intake condensation removal for internal combustion engine
An engine intake condensation removal system includes a valve for bypassing flow around a charge air cooler (CAC) to a liquid separator and mixer. The separator is downstream of the CAC and the...
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7520273 |
Exhaust-gas recirculation device and method for operating an exhaust-gas recirculation device
An exhaust-gas recirculation device for an internal combustion engine, in particular for a diesel engine of a passenger car, includes an air-supply line connected to an air inlet of the internal...
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7513114 |
Exhaust gas turbocharger for a reciprocating internal combustion engine and corresponding reciprocating internal combustion engine
In an exhaust gas turbocharger for a reciprocating internal combustion engine comprising an exhaust gas turbine in the exhaust line and a compressor in the inlet line of the engine, the exhaust gas...
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7503175 |
Engine control system having turbocharger
A control system for an internal combustion engine includes a turbocharger and a throttle valve. The turbocharger that is adapted to supercharging intake air drawn into the internal combustion...
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7493762 |
System and method for diagnostic of low pressure exhaust gas recirculation system and adapting of measurement devices
A system for a diesel engine having an intake manifold and an exhaust manifold comprises a turbocharger between the intake and exhaust manifolds of the engine, a low pressure exhaust gas...
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7490462 |
Turbocharged exhaust gas recirculation system
An exhaust recirculation system includes a power source including at least one cylinder outputting exhaust gas and a particulate reducing device fluidly connected to at least one exhaust duct of...
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7481040 |
Exhaust-gas heat exchanger, in particular exhaust-gas cooler for exhaust gas recirculation in motor vehicles
The invention relates to an exhaust-gas heat exchanger, in particular an exhaust-gas cooler ( 1 ) for exhaust-gas recirculation (AGR) in motor vehicles equipped with channels, through which exhaust...
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7472696 |
Exhaust gas recirculation system with in-cylinder valve actuation
A method for recirculating exhaust gas includes operating an intake valve to open an intake port of a combustion chamber, operating an exhaust valve to open an exhaust port of the combustion...
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7469691 |
Exhaust gas recirculation cooler bypass
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...
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7469692 |
Exhaust gas recirculation system
A power system including an exhaust producing engine, an exhaust system and an exhaust gas recirculation (EGR) system is provided. The EGR system may include an EGR flowpath and an air intake...
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7469181 |
High load operation in a homogeneous charge compression ignition engine
A homogeneous charge compression ignition engine is set up by first identifying combinations of compression ratio and exhaust gas percentages for each speed and load across the engines operating...
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7467614 |
Pedal position and/or pedal change rate for use in control of an engine
Systems and methods for using pedal position and/or pedal change rate in the fuel side and/or air side control of an engine. By knowing the pedal position and/or pedal rate, an engine controller...
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7461507 |
High response compact turbocharger
Turbochargers of this invention comprise a turbine housing and a turbine wheel rotatably disposed therein. A center housing is connected to the turbine housing, and a compressor housing is attached...
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7461641 |
EGR Cooling System with Multiple EGR Coolers
An EGR cooling system is provided. The EGR cooling system comprising a plurality of EGR coolers configured to cool the EGR to a plurality of successively lower temperatures, where at least one of...
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7461627 |
Hybrid combustion in a diesel engine
A compression ignition engine ( 10 ) has a control system ( 40 ), one or more combustion chambers ( 12 ), and fuel injectors ( 42, 44 ) for injecting fuel into the combustion chambers. The control...
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7451597 |
Intake system of internal combustion engine
An engine includes an electric supercharger as a first supercharger, a turbocharger as a second supercharger, a secondary air supply passage, a secondary air valve and a catalyst. The electric...
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7448205 |
Exhaust gas purifying device and exhaust gas purifying method in internal combustion engine
Catalysts are respectively provided in a plurality of parallel exhaust paths of an internal combustion engine. A flow rate adjusting section adjusts a flow rate of an exhaust gas discharged from a...
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7448212 |
Engine bleed air passage and method
An internal combustion engine ( 100 ) includes a turbocharger having a turbine ( 108 ) and a compressor ( 118 ) with an air inlet ( 120 ) and a charge air outlet ( 119 ). An electronic actuator (...
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7448368 |
Exhaust gas recirculation system for an internal combustion engine
An engine including an exhaust system operable to convey exhaust gases from the engine. A turbocharger is in fluid communication with the exhaust system. A diesel particulate filter, disposed in...
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7444814 |
Internal combustion engine having a compressor in the induction system and method for this
In an internal combustion engine having a compressor in its induction system which has a compressor wheel rotatably mounted in an intake duct combustion air compressor, whereby the combustion air...
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7444815 |
EGR system for high EGR rates
An internal combustion engine includes a first set of combustion cylinders and a second set of combustion cylinders. A first exhaust manifold is associated with the first set of combustion...
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7437874 |
System and method for backpressure compensation for controlling exhaust gas particulate emissions
A method for controlling exhaust gas particulate emissions from a compression ignition internal combustion engine having a variable geometry turbocharger (VGT) includes the steps of determining...
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7428813 |
Internal combustion engine comprising an exhaust gas turbocharger
In an internal combustion engine having an exhaust gas turbocharger with an exhaust gas inlet structure including two exhaust gas flow passages in communication with two exhaust ducts via a rotary...
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7426830 |
Supercharged internal combustion engine
The invention relates to a supercharged internal combustion engine having at least two cylinder groups of at least one cylinder each, both cylinder groups being equipped with an exhaust pipe, and...
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7415825 |
Variable geometry turbocharger control method and apparatus
A method of controlling a variable geometry turbocharger ( 502 ) includes the steps of determining an engine start of operation ( 402 ), initiating a timer ( 408 ), and commanding an open position...
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7406959 |
Engine control system
An engine control system includes an EGR device 10 which connects an exhaust passage Ex and an intake passage I and has an EGR valve; an intake throttle valve 41 placed in the intake passage I;...
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7398649 |
System and method for influencing the induction gas temperature in the combustion chamber of an internal combustion engine
The invention relates to a system and method for use in a homogeneous charge compression ignition (HCCI) combustion engine that is preferably equipped with an exhaust gas recirculation device. This...
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7398773 |
EGR recovery system and method
An EGR recovery system and method includes calculating a transient volume of EGR sufficient to maintain NOx emitted by an engine below a predetermined level during a period of transient operation...
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