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Class Information
Number: 123/687
Name: Internal-combustion engines > Charge forming device (e.g., pollution control) > Including exhaust gas condition responsive means > Combined with engine condition responsive means > Speed responsive
Description: Subject matter wherein the control means is responsive to the rate of rotation of the output shaft of the engine or of a component driven by the output shaft.

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8538659 Method and apparatus for operating an engine using an equivalence ratio compensation factor Sep. 17, 2013
8332128 Engine system and signal processing method thereof Dec. 11, 2012
8215294 Method and system for controlling an engine during diesel particulate filter regeneration warm-up Jul. 10, 2012
8113173 Engine control system having speed-based timing Feb. 14, 2012
7694668 System for controlling the operation of a diesel engine of a motor vehicle Apr. 13, 2010
7657361 Fuel injection control device for diesel engine Feb. 2, 2010
7647160 Fuel injection system with injection quantity learning function Jan. 12, 2010
7392789 Method for synchronizing cylinders in terms of quantities of fuel injected in an internal combustion engine Jul. 1, 2008
7296562 Control system and method for estimating turbocharger performance Nov. 20, 2007
7240671 Device for correcting fuel injection amount of internal combustion engine, and control apparatus for internal combustion engine employing the device Jul. 10, 2007
7234446 Misfire detector for multi-cylinder engine Jun. 26, 2007
7181331 Engine air-fuel ratio control system Feb. 20, 2007
7134428 Method for damping pressure oscillations in a measuring signal of a lambda probe Nov. 14, 2006
7128065 Method and device for controlling an internal combustion engine Oct. 31, 2006
7127344 Engine air-fuel ratio control system Oct. 24, 2006
7047938 Diesel engine control system with optimized fuel delivery May. 23, 2006
7047123 Engine air-fuel ratio control system May. 16, 2006
7004125 Valve train system of internal combustion engine and control method thereof Feb. 28, 2006
7000590 Engine output control system Feb. 21, 2006
6978759 Start-up control of in-cylinder fuel injection spark ignition internal combustion engine Dec. 27, 2005
6962140 Diesel engine control system and control method Nov. 8, 2005
6837231 Cylinder bank work output balancing based on exhaust gas A/F ratio Jan. 4, 2005
6729319 Apparatus and method for controlling internal combustion engine May. 4, 2004
6681752 Fuel injection system method and apparatus using oxygen sensor signal conditioning to modify air/fuel ratio Jan. 27, 2004
6668813 Air-fuel ratio control device for internal combustion engine Dec. 30, 2003
6662760 Method and apparatus for controlling combustion timing in an homogenous-charge compression-ignition engine Dec. 16, 2003
6629521 Oxygen sensor and feedback system for outboard motor engine Oct. 7, 2003
6612297 Method of controlling an engine startup Sep. 2, 2003
6588409 Engine cold start fuel control method having low volatility fuel detection and compensation Jul. 8, 2003
6575152 Method for controlling the titre of the exhaust gases in an internal combustion engine Jun. 10, 2003
6513496 Fuel injection controller of engine Feb. 4, 2003
6508230 Revolution number control system for engine Jan. 21, 2003
6491033 Oxygen sensor and feedback system for outboard motor engine Dec. 10, 2002
6474293 Method for operating an internal combustion engine Nov. 5, 2002
6450158 Air-fuel ratio feedback control apparatus of internal combustion engine and method thereof Sep. 17, 2002
6325046 Engine control system Dec. 4, 2001
6289877 Method and system for controlling an air-to-fuel ratio in a non-stoichiometric power governed gaseous-fueled stationary internal combustion engine Sep. 18, 2001
6276349 Cylinder-selective control of the air-fuel ratio Aug. 21, 2001
6260547 Apparatus and method for improving the performance of a motor vehicle internal combustion engine Jul. 17, 2001
6253751 Method and device for fuel proportioning in a gas-powered combustion engine Jul. 3, 2001
6186131 Fuel injection amount control method and apparatus for internal combustion engine Feb. 13, 2001
6138655 Air/fuel control system and method Oct. 31, 2000
6098606 Method of operating an internal combustion engine such as an engine of a motor vehicle Aug. 8, 2000
6073619 Air/fuel engine feedback control system and method Jun. 13, 2000
6009866 Oxygen concentration detecting apparatus Jan. 4, 2000
5983877 Apparatus and a method for adjusting the air fuel ratio of an internal combustion engine Nov. 16, 1999
5983878 Engine control Nov. 16, 1999
5960773 Engine control apparatus Oct. 5, 1999
5954039 Air/fuel ratio control system Sep. 21, 1999
5931144 Compensator for manifold fuel injectors Aug. 3, 1999

1 2 3 4

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