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Class Information
Number: 123/698
Name: Internal-combustion engines > Charge forming device (e.g., pollution control) > Including exhaust gas condition responsive means > With addition of secondary fluid (e.g., fuel or exhaust gas)
Description: Subject matter wherein means is provided to add an additional fluid to the combustible mixture produced by the charge forming device before the mixture is fed to the engine cylinders.

Sub-classes under this class:

Class Number Class Name Patents
123/699 Secondary fluid is auxiliary air or oxygen (e.g., carburetor air bleed) 85

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8635993 Air-fuel ratio control device of internal combustion engine Jan. 28, 2014
8600608 Communication system for vehicle Dec. 3, 2013
8554446 Control apparatus for internal combustion engine including variable valve operating mechanism Oct. 8, 2013
8532912 Engine control system Sep. 10, 2013
8489309 Feedback control system Jul. 16, 2013
8469010 Control device for internal combustion engine and measuring device of mass flow rate of NOx recirculated to intake passage with blowby gas Jun. 25, 2013
8447497 Apparatus for determining an air-fuel ratio imbalance among cylinders of an internal combustion engine May. 21, 2013
8342140 Method for improving transient engine operation Jan. 1, 2013
8333179 Method for taking the outgassing of fuel from the engine oil of an internal combustion engine into account Dec. 18, 2012
8306720 Power output apparatus, vehicle equipped with the same, and method of controlling power output apparatus Nov. 6, 2012
8256386 Saddle-ride vehicle Sep. 4, 2012
8136489 Variable compression ratio internal combustion engine Mar. 20, 2012
8113181 Method and apparatus for capturing and controlling fugitive gases Feb. 14, 2012
8113186 Multifuel internal combustion engine Feb. 14, 2012
8091342 Technique for production of ammonia on demand in a three way catalyst for a passive selective catalytic reduction system Jan. 10, 2012
8065990 Low emission dimethyl ether (DME) engine Nov. 29, 2011
8056544 Exhaust gas recirculation (EGR) system Nov. 15, 2011
7983832 Control method of direct injection engine, controller for implementing the control method, and control circuit device used for the controller Jul. 19, 2011
7870843 Torque control system with scavenging Jan. 18, 2011
7818104 Monitoring apparatus and method Oct. 19, 2010
7792631 Control system for internal combustion engine Sep. 7, 2010
7774128 Method for measuring initial hydrocarbon concentration in canister and controlling fuel injection thereby, and system thereof Aug. 10, 2010
7740010 System and method of stoichiometric combustion for hydrogen fueled internal combustion engines Jun. 22, 2010
7694668 System for controlling the operation of a diesel engine of a motor vehicle Apr. 13, 2010
7690370 Fuel injection controller for internal combustion engine Apr. 6, 2010
7690364 Method for determining the injection correction when checking the tightness of a tank ventilation system Apr. 6, 2010
7673619 Gas vapor control system and method thereof Mar. 9, 2010
7668641 Method for control of a tank ventilation Feb. 23, 2010
7574993 Apparatus, system and method for operating a dual fueled spark ignition engine Aug. 18, 2009
7503320 Method of operating an engine at idle speed for operational diagnosis of a purge valve Mar. 17, 2009
7392800 Fuel vapor treatment Jul. 1, 2008
7370642 Fuel vapor treatment apparatus May. 13, 2008
7363906 Control system for internal combustion engine Apr. 29, 2008
7316228 Evaporated fuel treatment system for internal combustion engine Jan. 8, 2008
7311094 Method for operating an internal combustion engine Dec. 25, 2007
7305978 Vaporized fuel purge system Dec. 11, 2007
7299794 Control system for supplying fuel vapour at start-up and method for using the system Nov. 27, 2007
7216640 Engine control to compensate for fueling dynamics May. 15, 2007
7182050 Control device for spark-ignition engine Feb. 27, 2007
7171960 Control apparatus for an internal combustion engine Feb. 6, 2007
7143756 Control device and control method for internal combustion engine Dec. 5, 2006
7140360 System for controlling exhaust emissions produced by an internal combustion engine Nov. 28, 2006
7128065 Method and device for controlling an internal combustion engine Oct. 31, 2006
7111593 Engine control to compensate for fueling dynamics Sep. 26, 2006
7086392 Control apparatus for sealed fuel tank system Aug. 8, 2006
7073494 System and method for estimating fuel vapor with cylinder deactivation Jul. 11, 2006
7059313 Software fuel volatility measurement Jun. 13, 2006
7059298 Evaporative fuel processing device for an internal combustion engine Jun. 13, 2006
7055514 Engine controller and associated operating method Jun. 6, 2006
7044118 Method and device for controlling injection in an internal combustion engine, in particular a diesel engine with a common rail injection system May. 16, 2006

1 2 3 4 5 6

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