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Class Information
Number: 123/685
Name: Internal-combustion engines > Charge forming device (e.g., pollution control) > Including exhaust gas condition responsive means > Combined with engine condition responsive means > Starting or warmup responsive
Description: Subject matter wherein the control means detects and is responsive to at least one engine or environmental parameter which indicates the engine"s condition (1) during or before a starting attempt or (2) during a period before the engine reaches normal operating temperature after starting.

Sub-classes under this class:

Class Number Class Name Patents
123/686 Engine coolant temperature responsive 82

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8573190 Method for heating a gas sensor Nov. 5, 2013
8463532 Control device for engine Jun. 11, 2013
8430067 Engine starting for engine having adjustable valve operation Apr. 30, 2013
8176888 Method for starting a mixed fuel engine May. 15, 2012
7968827 Oxygen sensor heater control strategy Jun. 28, 2011
7921833 Fuel injection control during start-up Apr. 12, 2011
7900614 Self-calibrating NO.sub.x sensor Mar. 8, 2011
7848874 Control system and method for starting an engine with port fuel injection and a variable pressure fuel system Dec. 7, 2010
7770566 Method for controlling an internal combustion engine Aug. 10, 2010
7726289 Control apparatus and control method for internal combustion engine Jun. 1, 2010
7712459 Air-fuel ratio control system for internal combustion engine and control method of the same May. 11, 2010
7567866 Fuel injection control device Jul. 28, 2009
7536244 Failure diagnostic apparatus and method for an air-fuel ratio sensor May. 19, 2009
7487033 Engine control apparatus Feb. 3, 2009
7478627 Fuel control apparatus for internal combustion engine Jan. 20, 2009
7469685 Control apparatus for internal combustion engine Dec. 30, 2008
7426926 Cold idle adaptive air-fuel ratio control utilizing lost fuel approximation Sep. 23, 2008
7401606 Multi-stroke cylinder operation in an internal combustion engine Jul. 22, 2008
7318412 Control device for internal combustion engine Jan. 15, 2008
7273040 Air-fuel ratio control apparatus for internal combustion engine Sep. 25, 2007
7273035 Control apparatus for internal combustion engine Sep. 25, 2007
7258112 Reducing HC collection in a diesel particulate filter during failure in an engine cold start aid Aug. 21, 2007
7219650 Control apparatus of fuel injection type internal combustion engine May. 22, 2007
7210455 Engine control with fuel quality sensor May. 1, 2007
7146972 Exhaust gas sensor activation judgment and air fuel ratio control system/method Dec. 12, 2006
7080630 Method for calculating cylinder charge during starting Jul. 25, 2006
7059313 Software fuel volatility measurement Jun. 13, 2006
7047944 Method and system to determine engine restart May. 23, 2006
6997172 Fuel properties estimation for internal combustion engine Feb. 14, 2006
6986331 Startup-time control apparatus and stop-time control apparatus of internal combustion engine, and control methods thereof, and record medium Jan. 17, 2006
6978759 Start-up control of in-cylinder fuel injection spark ignition internal combustion engine Dec. 27, 2005
6976483 Air-fuel ratio control apparatus for internal combustion engine and method thereof Dec. 20, 2005
6935101 Heating control system for gas sensor of engine Aug. 30, 2005
6850870 Failure diagnosis device for O2 sensor Feb. 1, 2005
6758202 Control method for engine Jul. 6, 2004
6631708 Control method for engine Oct. 14, 2003
6598589 Engine control algorithm-cold start A/F modifier Jul. 29, 2003
6543431 System for air-fuel ratio control Apr. 8, 2003
6482310 Current control for a pumped air reference oxygen sensor Nov. 19, 2002
6481428 Methods and systems for reducing internal combustion engine exhaust emissions Nov. 19, 2002
6467458 Start control apparatus for an internal combustion engine and fuel nature determination apparatus Oct. 22, 2002
6349710 Engine combustion controller Feb. 26, 2002
6314356 Method for controlling an automatic transmission Nov. 6, 2001
6302091 Air-fuel ratio feedback control for engines having feedback delay time compensation Oct. 16, 2001
6035839 Method and apparatus for controlling the air-fuel ratio of an internal combustion engine Mar. 14, 2000
6029642 Method for forming a fuel-metering signal for an internal combustion engine Feb. 29, 2000
6029641 Air-fuel ratio control system for internal combustion engines Feb. 29, 2000
6009866 Oxygen concentration detecting apparatus Jan. 4, 2000
5915359 Method and system for determining and controlling A/F ratio during cold start engine operation Jun. 29, 1999
5893349 Method and system for controlling air/fuel ratio of an internal combustion engine during cold start Apr. 13, 1999

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