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Class Information
Number: 60/277
Name: Power plants > Internal combustion engine with treatment or handling of exhaust gas > Having sensor or indicator of malfunction, unsafeness, or disarray of treater (e.g., fusible link, etc.)
Description: Apparatus, with means (1) that prevents operation if a necessary state or condition is not sensed or indicated (2) that stops operation if a malfunction or dangerous condition is sensed (3) that takes protective action to protect a system element responsive to a sensed malfunction or dangerous condition (4) or that acts to inform the operator of a dangerous state or malfunction.










Patents under this class:

Patent Number Title Of Patent Date Issued
8695331 Procedure to diagnose a particle filter and device to implement the procedure Apr. 15, 2014
8683844 Sensor monitoring methods and systems Apr. 1, 2014
8683781 Method for controlling an exhaust-gas aftertreatment device of a hybrid drive, and hybrid drive Apr. 1, 2014
8679410 Exhaust purification system of internal combustion engine Mar. 25, 2014
8678814 Control system of an internal combustion engine Mar. 25, 2014
8671667 Exhaust purification system of internal combustion engine Mar. 18, 2014
8671660 Catalyst degradation determination device for exhaust purification system Mar. 18, 2014
8667779 Systems and methods for an exhaust gas treatment system Mar. 11, 2014
8661883 Secondary air system diagnostic test Mar. 4, 2014
8661791 Systems and methods for controlling regeneration of nitrogen oxide adsorbers Mar. 4, 2014
8660741 Particulate filter ash loading prediction method and vehicle with same Feb. 25, 2014
8656701 Control device Feb. 25, 2014
8656700 Filter failure detection apparatus of an internal combustion engine Feb. 25, 2014
8640441 Method of monitoring a differential pressure sensor of an exhaust gas treatment system Feb. 4, 2014
8635857 Diesel particulate filter overstress mitigation Jan. 28, 2014
8629781 Efficiency determination for a selective-catalytic-reduction catalyst Jan. 14, 2014
8627648 Engine control system, engine control method Jan. 14, 2014
8627646 Catalyst deterioration diagnostic device for internal combustion engine Jan. 14, 2014
8621854 System and method for determining an age of and controlling a selective catalytic reduction catalyst Jan. 7, 2014
8617495 Exhaust gas aftertreatment desulfurization control Dec. 31, 2013
8607548 SCR ammonia slip detection Dec. 17, 2013
8601798 Particulate filter regeneration process diagnostic Dec. 10, 2013
8601793 Malfunction diagnostic device for exhaust gas control device Dec. 10, 2013
8596042 System and method for selective catalytic reduction control Dec. 3, 2013
8590290 Methods, systems, and apparatuses of SCR diagnostics Nov. 26, 2013
8590289 Deterioration diagnostic device for an exhaust gas purifier Nov. 26, 2013
8583349 Systems and methods for diagnosing oxygen sensors and catalytic converters of exhaust systems Nov. 12, 2013
8572952 Diesel particulate filter control Nov. 5, 2013
8567181 Procedure for metering a reagent and device for implementing the procedure 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
8561388 Failure detection apparatus for particulate filter Oct. 22, 2013
8561387 Method for checking the seal of a reagent injector Oct. 22, 2013
8555699 Detector for detecting sulfur components Oct. 15, 2013
8555614 Internal combustion engine exhaust gas control apparatus and abnormality determining method thereof Oct. 15, 2013
8555613 Model-based diagnostics of NOx sensor malfunction for selective catalyst reduction system Oct. 15, 2013
8554444 Method for operating an internal combustion engine Oct. 8, 2013
8549838 System, method, and apparatus for enhancing aftertreatment regeneration in a hybrid power system Oct. 8, 2013
8549836 Method for operating an exhaust system, exhaust system and vehicle having an exhaust system Oct. 8, 2013
8544258 Exhaust treatment system diagnostic via ammonium nitrite decomposition Oct. 1, 2013
8539757 Exhaust purification apparatus for internal combustion engine Sep. 24, 2013
8539756 Exhaust purification device for internal combustion engine Sep. 24, 2013
8534046 Apparatus and method for diagnosing catalyst deterioration Sep. 17, 2013
8534045 After-treatment de-contamination system Sep. 17, 2013
8528319 Apparatus, system, and method for mitigating diesel exhaust fluid deposits and associated conditions Sep. 10, 2013
8523145 Jack assembly with integrated pressure relief assembly Sep. 3, 2013
8522531 Catalyst degradation detection apparatus and catalyst degradation detection method Sep. 3, 2013
8522530 Reducing agent injection valve abnormality detection device and abnormality detection method Sep. 3, 2013
8516800 System and method for introducing a reductant agent Aug. 27, 2013
8516796 System and method for monitoring catalyst efficiency and post-catalyst oxygen sensor performance Aug. 27, 2013
8510024 Model-based diagnostic method and system for a selective reduction catalyst device in a vehicle Aug. 13, 2013











 
 
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