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Class Information
Number: 60/276
Name: Power plants > Internal combustion engine with treatment or handling of exhaust gas > Having means analyzing composition of exhaust gas
Description: Apparatus including structure analyzing the chemical composition of the exhaust gas and exerting a control responsive to the determined value or giving an indication of the determined value.

Patents under this class:

Patent Number Title Of Patent Date Issued
8702937 Gas sensor control apparatus controlling output characteristic of gas sensor Apr. 22, 2014
8695329 DeNox of diesel engine exhaust gases using a temperature-controlled precatalyst for providing NO.sub.2 in accordance with the requirements Apr. 15, 2014
8683785 Method for regenerating an open particle separator and motor vehicle having at least one open particle separator Apr. 1, 2014
8677736 Exhaust gas purification apparatus of an internal combustion engine Mar. 25, 2014
8661791 Systems and methods for controlling regeneration of nitrogen oxide adsorbers Mar. 4, 2014
8661789 Exhaust purification system for internal combustion engine Mar. 4, 2014
8656700 Filter failure detection apparatus of an internal combustion engine Feb. 25, 2014
8650858 Exhaust emission control device for internal combustion engine Feb. 18, 2014
8650857 Apparatus and method for onboard performance monitoring of exhaust gas particulate filter Feb. 18, 2014
8647596 Systems and methods for managing emissions from an engine of a vehicle Feb. 11, 2014
8640446 System for purifying exhaust gas and method for controlling the same Feb. 4, 2014
8640441 Method of monitoring a differential pressure sensor of an exhaust gas treatment system Feb. 4, 2014
8635853 Exhaust reduction system having oxygen and temperature control Jan. 28, 2014
8635030 Method for the determination of a NOx concentration value upstream of a SCR catalyst in a diesel engine Jan. 21, 2014
8635007 Filtering method and filter for a NOX sensor of an exhaust gas system Jan. 21, 2014
8631786 Method, systems and sensor for detecting humidity Jan. 21, 2014
8629781 Efficiency determination for a selective-catalytic-reduction catalyst Jan. 14, 2014
8627646 Catalyst deterioration diagnostic device for internal combustion engine Jan. 14, 2014
8627645 Emission control with a particulate matter sensor Jan. 14, 2014
8621852 Detector for detecting sulfur components Jan. 7, 2014
8621844 System and method for controlling fuel delivery based on output from a post-catalyst oxygen sensor during catalyst light-off Jan. 7, 2014
8607553 Exhaust system implementing selective catalyst flow control Dec. 17, 2013
8607547 Flue gas purifying device Dec. 17, 2013
8607544 Methods and systems for variable displacement engine control Dec. 17, 2013
8601795 Sensor for detecting the amount of a reducing agent and the amount of a pollutant in an exhaust gas Dec. 10, 2013
8590290 Methods, systems, and apparatuses of SCR diagnostics Nov. 26, 2013
8590289 Deterioration diagnostic device for an exhaust gas purifier Nov. 26, 2013
8584444 Model-based controls for selective catalyst reduction system Nov. 19, 2013
8571785 Universal tracking air-fuel regulator for internal combustion engines Oct. 29, 2013
8567179 Adaptive oxygen sensor methods, systems, and software Oct. 29, 2013
8562925 Arrangement and method for controlling the quantity of a reductant introduced into an exhaust line of an internal combustion engine Oct. 22, 2013
8561387 Method for checking the seal of a reagent injector Oct. 22, 2013
8555616 Identifying ammonia non-slip conditions in a selective catalytic reduction application Oct. 15, 2013
8555613 Model-based diagnostics of NOx sensor malfunction for selective catalyst reduction system Oct. 15, 2013
8539755 Exhaust purification device of internal combustion engine Sep. 24, 2013
8534046 Apparatus and method for diagnosing catalyst deterioration Sep. 17, 2013
8524181 Sensor-integrated device Sep. 3, 2013
8516804 Systems and methods for determining a particulate load in a particulate filter Aug. 27, 2013
8516795 Exhaust gas sensor device, engine control device and method Aug. 27, 2013
8511064 Methods and apparatus for controlling catalytic processes, including catalyst regeneration and soot elimination Aug. 20, 2013
8505276 Particulate matter measurement device Aug. 13, 2013
8499545 Operating and diagnostic method for an SCR exhaust-gas aftertreatment system Aug. 6, 2013
8495865 Control unit for turbocharged internal combustion engine Jul. 30, 2013
8495862 System and method for detecting low quality reductant and catalyst degradation in selective catalytic reduction systems Jul. 30, 2013
8495860 Approach for detecting reductant availability and make-up Jul. 30, 2013
8490384 Method for correcting nitrogen oxide emission models Jul. 23, 2013
8489270 Method and device for diagnosing the dynamics of an exhaust gas sensor Jul. 16, 2013
8486166 Fuel reforming apparatus Jul. 16, 2013
8484956 Diesel particulate filter regeneration control using a wide band oxygen sensor Jul. 16, 2013
8479494 Exhaust gas sensor control system and control method Jul. 9, 2013

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