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Class Information
Number: 123/703
Name: Internal-combustion engines > Charge forming device (e.g., pollution control) > Including exhaust gas condition responsive means > Exhaust gas composition sensor
Description: Subject matter wherein the transducer senses a constituent in the products of combustion.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8702934 Gas sensor Apr. 22, 2014
8649956 Apparatus for acquiring responsibility of oxygen concentration sensor Feb. 11, 2014
8631786 Method, systems and sensor for detecting humidity Jan. 21, 2014
8603310 Gas-concentration/humidity detection apparatus Dec. 10, 2013
8563902 Heater control device and method for exhaust gas sensor Oct. 22, 2013
8554446 Control apparatus for internal combustion engine including variable valve operating mechanism Oct. 8, 2013
8522760 Fuel alcohol content detection via an exhaust gas sensor Sep. 3, 2013
8499752 Method to adapt the O2 signal of an O2 sensor during overrun Aug. 6, 2013
8504278 Method and system for detecting a fault during catalyst light-off Aug. 6, 2013
8495996 Fuel alcohol content detection via an exhaust gas sensor Jul. 30, 2013
8459243 Method, systems and sensor for detecting humidity Jun. 11, 2013
8442744 Compensation for oxygenated fuel use in a diesel engine May. 14, 2013
8398844 Method for diagnosing a NOx readings recorder Mar. 19, 2013
8381708 Vehicle and vehicle control method Feb. 26, 2013
8347866 Fuel control system and method for more accurate response to feedback from an exhaust system with an air/fuel equivalence ratio offset Jan. 8, 2013
8347867 System and method for protecting engine fuel pumps Jan. 8, 2013
8335617 Sensor detection controller and occupant detection apparatus having the same Dec. 18, 2012
8301356 Engine out NOx virtual sensor using cylinder pressure sensor Oct. 30, 2012
8297266 Control apparatus for an internal combustion engine Oct. 30, 2012
8296042 Humidity detection via an exhaust gas sensor Oct. 23, 2012
8276571 Passive re-induction apparatus, system, and method for recirculating exhaust gas in gasoline and diesel engines Oct. 2, 2012
8265858 Delay calibration systems and methods Sep. 11, 2012
8224557 Control systems and methods using geometry based exhaust mixing model Jul. 17, 2012
8113187 Delay compensation systems and methods Feb. 14, 2012
8110152 Gas sensor mounting boss and method of making Feb. 7, 2012
8095296 Procedure and device for an adaptation of a dynamic model of an exhaust gas probe Jan. 10, 2012
8041501 Method and system for monitoring an active hydrocarbon adsorber Oct. 18, 2011
8000886 Control device for internal combustion engine Aug. 16, 2011
7987840 Delay compensated air/fuel control of an internal combustion engine of a vehicle Aug. 2, 2011
7968827 Oxygen sensor heater control strategy Jun. 28, 2011
7950222 System and method for cleaning combustion soot from exhaust gas treatment sensors May. 31, 2011
7949458 Control apparatus and method and control unit May. 24, 2011
7908073 Control apparatus for an internal combustion engine Mar. 15, 2011
7850833 Oxygen sensor and air/fuel ratio control system Dec. 14, 2010
7778766 Diagnostic systems and methods using nitrogen oxide sensors Aug. 17, 2010
7743738 Scavenging phosphorus, sulfur, and lead from combustion exhaust using tungsten compounds and lubricant Jun. 29, 2010
7597091 Air-fuel ratio control apparatus and method for an internal combustion engine Oct. 6, 2009
7568476 Air-fuel ratio control system for internal combustion engine Aug. 4, 2009
7497210 Air-fuel ratio detection apparatus of internal combustion engine Mar. 3, 2009
7367330 Internal combustion engine controller May. 6, 2008
7328673 Valve timing correction control apparatus and method for an internal combustion engine Feb. 12, 2008
7231290 Method and apparatus for controlling a gas-emitting process and related devices Jun. 12, 2007
7182078 System for assisting regenerating depollution means integrated in an exhaust system of an engine Feb. 27, 2007
7168423 Gas sensor units for engines Jan. 30, 2007
7134429 Method and device for controlling an internal combustion engine Nov. 14, 2006
7007685 Air-fuel ratio control device of internal combustion engine Mar. 7, 2006
6848438 Internal combustion engine exhaust device and method for making same Feb. 1, 2005
6828156 Evaluating method for NOx eliminating catalyst, an evaluating apparatus therefor, and an efficiency controlling method therefor Dec. 7, 2004
6722436 Apparatus and method for operating an internal combustion engine to reduce free oxygen contained within engine exhaust gas Apr. 20, 2004
6712053 Control system for internal combustion engine Mar. 30, 2004

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