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9032715 Method of increasing volumetric throughput of internal combustion engines used in vapor destruction applications  
A method and device for controlling emissions of VOC's comprises transporting VOC's to an engine and transporting the exhaust from the engine into a manifold. Supplemental air is transporting into...
9032707 Diesel exhaust gas collection and treatment system  
A diesel exhaust gas collection and treatment system for collecting exhaust gas from a diesel engine powered vehicle, treating the exhaust gas with injected ambient air, then releasing the air and...
9021805 Exhaust gas recirculation control  
Methods and systems are disclosed for controlling an exhaust gas recirculation valve in an engine by determining errors in exhaust backpressure estimates and adapting EGR flow estimations based on...
9021785 Engine system for increasing available turbocharger energy  
An engine system for a machine is disclosed. The engine system may have an intake manifold configured to direct air into a donor cylinder and a non-donor cylinder of an engine. The engine system...
9016044 IC engine and method for operating an IC engine  
A method is provided for operating an internal combustion engine of a motor vehicle. The method includes, but is not limited to storing exhaust gas while the engine is working, and supplying the...
8978359 Two-stage turbocharged engine  
A turbocharged internal combustion engine disclosed that may comprise an engine block with a first end side opposing a second end side and a two-stage turbocharged system. The two-stage...
8943802 Exhaust gas purification system for an internal combustion engine  
An exhaust gas purification system for an internal combustion engine, which is provided with: a selective reduction type catalyst arranged in an exhaust passage of the internal combustion engine;...
8943798 Methods and systems for ammonia slip detection  
Various systems and methods are described for detecting ammonia slip. In one example method, an amount of exhaust gas recirculation is reduced when output from an exhaust gas sensor indicates an...
8943801 Multi-port valve  
A valve (10) may be used with an internal combustion engine exhaust breathing system (12) and may include a body (60), a partition (62), and a plate (66). The body (60) may define a first port...
8943804 Compression-ignition engine with exhaust system  
A compression-ignition engine (10) comprises an exhaust system (16) with an exhaust gas after-treatment assembly, the after-treatment assembly comprising a three-way catalyst device (30) and an...
8931254 Exhaust pipe injection control device  
An exhaust pipe injection control device to optimally control a degree of exhaust gas recirculation (“EGR”) opening during diesel particulate filter (“DPF”) regeneration. The device includes a...
8925302 Method and system for operating an engine turbocharger  
A system and method for operating an engine turbocharger is described. In one example, the turbocharger is rotated in different directions in response to operating conditions. The system and...
8919107 Control device of diesel engine with turbocharger  
A control device of a diesel engine with a turbocharger is provided. The device includes an engine body having a cylinder, a fuel injection valve, a turbine of the turbocharger, a bypass passage...
8915063 Method and device for estimating NOx emissions in combustion engines  
The present invention provides for a system for controlling NOx emissions based on the calculation of an error given by the difference between a first measured value obtained from a NOx sensor (7)...
8915070 Hydrocarbon retaining and purging system for flex-fuel combustion engine  
Systems, methods, and computer readable storage media are described in which exhaust gas is routed to a hydrocarbon retaining device during starting, and purged to the engine intake manifold....
8915072 Exhaust port structure of cylinder head  
An exhaust port structure of a cylinder head includes a connection pipe communicating with a plurality of exhaust ports of the cylinder head and an exhaust hole connected to the connection pipe...
8899016 Integrated WGS/ECD exhaust treatment device for internal combustion engine having an EGR loop  
An integrated water-gas-shift (WGS) and emissions control device (ECD) catalyst for treating exhaust from an internal combustion engine. The engine is assumed to have an EGR loop, such that...
8893687 Fuel injection strategy for internal combustion engine having dedicated EGR cylinders  
A method using exhaust gas recirculation (EGR) in an internal combustion engine. The engine has at least one “dedicated EGR cylinder”, whose entire exhaust is recirculated back to all the engine...
8875488 Internal combustion engine  
An internal combustion engine, in which intake air flows through an intake passage into a combustion chamber and exhaust gas resulting from the combustion in the combustion chamber flows through...
8869512 Combined engine out NOX management  
An apparatus for controlling engine operations to a low NOx output amount at low selective catalytic reduction (SCR) temperature values and alternatively for controlling engine operations in an...
8857156 Engine utilizing a plurality of control valves, and a related method thereof  
In accordance with the embodiments of the present invention, an engine is disclosed. The engine includes at least one donor cylinder and at least one non-donor cylinder coupled to an intake...
8857155 Methods and systems for humidity detection via an exhaust gas sensor  
Various methods and system are described for determining ambient humidity via an exhaust gas sensor disposed in an exhaust system of an engine. In one example, a reference voltage of the sensor is...
8844284 Internal combustion engine system  
The invention relates to an internal combustion engine system (1), particularly in a motor vehicle, comprising an internal combustion engine (2), a fresh gas system (3) for supplying fresh gas to...
8844272 Particulate filter regeneration during engine shutdown  
Various systems and method are described for controlling an engine having an exhaust system which includes a particulate filter. One example method comprises, after shutting down the engine and...
8820050 Method for minimizing ammonia slip from SCR catalysts  
Embodiments for reducing ammonia slip are provided. In one example, a method for reduction of ammonia emissions from an engine exhaust gas aftertreatment device with an SCR catalyst comprises...
8813490 Internal combustion engine exhaust emission control device and exhaust emission control method  
An exhaust emission control device for an internal combustion engine is provided that can suppress the adherence of HC to an EGR path and the like accompanying enrichment of the exhaust air/fuel...
8800274 Method for managing ammonia slip  
An internal combustion engine is configured to operate in a compression-ignition combustion mode and includes an exhaust aftertreatment system having an ammonia-selective catalytic reduction...
8800266 Method for exhaust gas-recirculation  
A method for exhaust gas recirculation (EGR), in particular in internal combustion engines, in particular for reducing NOx emission, by actuating an EGR valve (2) and/or a throttle flap (3),...
8793984 Control of diesel particulate filter regeneration duration  
Termination of regeneration of a particulate filter may be based on a variable percent threshold of stored particulate, where the percent threshold of stored particulate depends on a current soot...
8793986 Combined cabin heater and EGR heat exchanger  
A combined emission control device and exhaust gas heat exchanger for connection to the exhaust gas flow from an engine of a motor vehicle is disclosed having a number of exhaust gas transfer...
8793974 Exhaust gas treatment device of diesel engine  
The present invention relates to an exhaust gas treatment device of a diesel engine that is capable of increasing the concentration of PM in the EGR gas, wherein an exhaust gas separator 2 has...
8783014 Control system for internal combustion engine  
The present invention is intended to suppress the inflow of an ammonia derived compound to an EGR passage. In the present invention, in an exhaust system, there is arranged an ammonia derived...
8783015 Shared EGR system and method for a dual-module engine  
In systems in which there is insufficient pressure difference between the intake and the exhaust to drive the EGR, an EGR pump is provided. In a dual-engine system, disclosed herein, the EGR...
8776506 Method for predicting NOx amount and exhaust system using the same  
A method for predicting a NOx amount may include detecting an O2 amount in an intake air, calculating a reference O2 amount in the intake air according to a driving condition of an engine,...
8776505 Method for predicting NOx amount and exhaust system using the same  
A method for predicting a NOx amount, may include determining a reference NOx amount according to a driving condition of an engine, primarily correcting the reference NOx amount according to an...
8769931 Low pressure EGR system and examining method for efficiency of low EGR cooler  
A low pressure exhaust gas recirculation (EGR) cooler efficiency diagnosis method for an EGR system includes measuring speed and load of an engine, setting a difference threshold between model...
8769930 Motor vehicle exhaust system  
A motor vehicle exhaust system, including at least one pollutant-removing member, for example a catalytic converter or a particle filter, including a first outlet and connected to an exhaust line...
8763381 System, method, and device for locomotive exhaust gas recirculation cooling and catalyst heating  
A method of heating an engine exhaust gas of an engine, including flowing a first exhaust gas at a first temperature within and along internal flow channels of a catalyst brick, and flowing a...
8752368 Diagnostic method and diagnostic system for a particle filter of an internal combustion engine, in particular for a soot filter in a diesel motor vehicle  
A diagnostic method is provided for a particle filter arranged in exhaust-gas flow of an internal combustion engine. A particle concentration is detected by a particle sensor positioned downstream...
8739518 Controlling operation of exhaust of an engine including a particulate filter  
Methods and systems for controlling operation of exhaust of an engine including a particulate filter are described. One example method includes generating compressed air during engine operation,...
8739527 Method and system for turbocharging an engine  
A method for improving operation of a turbocharged engine is presented. In one embodiment, the method may reduce engine emissions and improve engine efficiency during an engine start.
8733081 Control apparatus for internal combustion engine  
An object of the present invention is that after return from fuel cut, an oxygen storage amount in a catalyst in an exhaust path and an oxygen storage amount in a catalyst in an exhaust gas...
8707935 Exhaust gas recirculation system with a NOx sensor  
Various systems and methods are described for operating an engine system having a sensor coupled to an exhaust gas recirculation system in a motor vehicle. One example method comprises during a...
8695332 Internal bypass exhaust gas cooler  
An exhaust gas cooler assembly with an internally located bypass tube, spaced apart from and disposed within a core passage, with an exhaust gas inlet manifold directing exhaust gas to a plurality...
8667795 Internal combustion engine with exhaust-gas turbocharging  
Disclosed is a turbocharged internal combustion engine having at least one intake for supplying the internal combustion engine with fresh air or fresh mixture on an inlet side, a cylinder head...
8656715 Methods and systems for emission system control  
Methods and systems are provided for operating a turbocharged engine including a particulate filter positioned upstream of a turbocharger turbine, a catalyst positioned downstream of the turbine,...
8650865 Exhaust gas routing device for an internal combustion engine having a thermoelectrical generator  
An exhaust gas routing device for an internal-combustion engine having a thermoelectric generator is fluidically connected with an exhaust gas line and a pipe guiding a coolant. The generator has...
8646262 Unit for recovering and converting the thermal energy of the exhaust gases of an internal combustion engine of a vehicle  
A unit (1, 1′) for recovering and converting thermal energy from the exhaust gases of an internal combustion engine (14) of a vehicle comprises a heat exchanger (2, 2′) to be traversed by exhaust...
8635852 Exhaust treatment system for internal combustion engine  
Methods and systems are provided for operating an engine including an exhaust treatment system coupled to an engine exhaust, the exhaust treatment system further coupled to an engine intake via an...
8631646 Methods and systems for variable displacement engine control  
Methods and systems are provided for selecting a group of cylinders for selective deactivation, in a variable displacement engine system, based at least on a regeneration state of an exhaust...