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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Cullen; Michael J.
Address:
Northville, MI
No. of patents:
44
Patents:












Patent Number Title Of Patent Date Issued
7771313 Vehicle trajectory control system August 10, 2010
A system, comprising an engine having an electronically controlled throttle plate to adjust airflow to the engine; a transmission having an input speed and an output speed, the transmission including a clutch and the transmission coupled to the engine; and a controller configured to:
7748366 Electronic throttle control supercharging July 6, 2010
A drive system. The drive system includes an engine configured to convert chemical energy into mechanical energy, an electronically-controlled air throttle configured to regulate air delivery to the engine, an electronically-controlled supercharger configured to selectively increase
7654253 Detection of a humidity sensor failure in an internal combustion engine February 2, 2010
A method to determine degradation of a humidity sensor used for controlling an engine of a vehicle, the humidity sensor exterior to a passenger compartment of the vehicle, the method comprising determining whether to enable monitoring of the sensor based on a duration since vehicle o
7510504 Vehicle trajectory control system March 31, 2009
A method for controlling an engine coupled to a transmission is described. A method is described for adjusting an engine operating parameter to maintain transmission input speed at or below a synchronous transmission input speed. The synchronous transmission input speed is based on t
7426926 Cold idle adaptive air-fuel ratio control utilizing lost fuel approximation September 23, 2008
A method for controlling fueling of an engine, the method comprising during an engine cold start and before the engine is warmed to a predetermined level, transitioning from open-loop fueling to closed-loop fueling, where during closed-loop fueling feedback from an exhaust gas oxygen
7398775 Detection of a humidity sensor failure in an internal combustion engine July 15, 2008
A system and method for utilizing a humidity sensor with an internal combustion engine of a vehicle is described. Specifically, information from the humidity sensor is used to adjust a desired air-fuel ratio to reduce engine misfire while improving vehicle fuel economy. Further, such
7377103 System and method for controlling an engine having a power take off output device May 27, 2008
A system and method for controlling a power take off device connected to an internal combustion engine is presented. According to the method, power take off speed control may be improved and the possibility of engine stalling may be reduced.
7363915 Method to control transitions between modes of operation of an engine April 29, 2008
A method is disclosed for controlling operation of an engine coupled to an exhaust treatment catalyst. Under predetermined conditions, the method operates an engine with a first group of cylinders combusting a lean air/fuel mixture and a second group of cylinders pumping air only (i.e.,
7353699 Electronic throttle control supercharging April 8, 2008
A drive system. The drive system includes an engine configured to convert chemical energy into mechanical energy, an electronically-controlled air throttle configured to regulate air delivery to the engine, a supercharger configured to selectively increase pressure of the air deliver
7328686 System and method to control cylinder activation and deactivation February 12, 2008
Engine cylinder reactivation from a fuel-cut state is controlled based on a calculated future engine speed and a minimum allowable engine speed. The future engine speed is calculated based on the current rate of change of engine speed and a duration required to reactivate an engine cylin
7318409 Vehicle engine control system utilizing humidity sensor January 15, 2008
A system and method for utilizing a humidity sensor with an internal combustion engine of a vehicle is described. Specifically, information from the humidity sensor is used to adjust a desired air-fuel ratio to reduce engine misfire while improving vehicle fuel economy. Further, such
7246604 Engine control advantageously using humidity July 24, 2007
A system and method for utilizing a humidity sensor with an internal combustion engine of a vehicle is described. Specifically, information from the humidity sensor is used to adjust a desired air-fuel ratio to reduce engine misfire while improving vehicle fuel economy. Further, such
7195009 Detection of a humidity sensor failure in an internal combustion engine March 27, 2007
A system and method for utilizing a humidity sensor with an internal combustion engine of a vehicle is described. Specifically, information from the humidity sensor is used to adjust a desired air-fuel ratio to reduce engine misfire while improving vehicle fuel economy. Further, such
7137377 Intake valve cleaning method for a direct injection engine with computer controlled intake valve November 21, 2006
A method for a vehicle traveling on the road having an engine with adjustable valve operation is described. The method includes performing a valve cleaning operation for reducing deposits on a valve of the engine; and at least during said operation, adjusting valve timing of at least a
7104228 Engine with variable cam timing and control advantageously using humidity sensor September 12, 2006
A system and method for utilizing a humidity sensor with an internal combustion engine of a vehicle is described. Specifically, information from the humidity sensor is used to adjust a desired air-fuel ratio to reduce engine misfire while improving vehicle fuel economy. Further, such
7031821 Electromagnetic valve control in an internal combustion engine with an asymmetric exhaust system April 18, 2006
A system and method to control engine valves of an internal combustion engine is shown. Electromechanical valves are controlled in a manner to reduce hydrocarbon emissions of an internal combustion engine. Further, the method can adjust valve operation to account for vehicle exhaust
7028650 Electromechanical valve operating conditions by control method April 18, 2006
A system and method to control engine valve timing of an internal combustion engine. Electromechanical valves are controlled in a manner to increase fuel economy. Further, the method can adjust valve operation to regulate valve temperature.
7017539 Engine breathing in an engine with mechanical and electromechanical valves March 28, 2006
A system to control valves of an internal combustion engine. Electromechanical valves are controlled in a manner to reduce hydrocarbon emissions of an internal combustion engine. Further, the system may contain both mechanical and electromechanical valves to reduce cost and increase
6968833 Diagnostic system for catalytic converter using exhaust gas recirculation system that can detect November 29, 2005
A method is described for detecting exhaust pressure buildup in an engine's exhaust system using information from an exhaust gas recirculation system having a valve.
6918362 Engine with variable cam timing and control advantageously using humidity sensor July 19, 2005
A system and method for utilizing a humidity sensor with an internal combustion engine of a vehicle is described. Specifically, information from the humidity sensor is used to adjust a desired air-fuel ratio to reduce engine misfire while improving vehicle fuel economy. Further, such
6910990 Engine control to reduce impacts due to transmission gear lash while maintaining high responsive June 28, 2005
An engine control system controls engine torque to transition through the transmission and driveline's lash zone. The transmission and driveline's lash zone is indicated using information of the speed ratio across the torque converter. This information is then supplemented with informati
6851304 Air estimation approach for internal combustion engine control February 8, 2005
A method is described for estimating cylinder charge using either the throttle position or mass air flow sensor. The method saves calibration and development expenses by using the same manifold filling model approach regardless of which sensor, or combination of sensors, is used.
6850834 Method and system for detecting degradation of EGR flow delivery February 1, 2005
A method for determining EGR flow in an internal combustion engine, such flow being from an exhaust manifold of the engine to an intake manifold of the engine through an EGR valve. The method includes using information provided by a mass air flow sensor disposed upstream of an exhaust ga
5902346 Fuel delivery control based on estimated fuel temperature May 11, 1999
In one embodiment of the present invention, a method for estimating temperature of fuel in a fuel delivery system of a motor vehicle engine includes the step of calculating a fuel temperature estimate in an engine running state as a function of fuel flow rate, engine coolant temperature
5735249 Method and system for controlling fuel delivery during engine cranking April 7, 1998
A method and system for controlling fuel delivery to an individual cylinder of an internal combustion engine during engine cranking compensates for fuel transport dynamics and the actual fuel injected into the cylinder. A plurality of engine parameters are sensed, including engine temper
5633796 Method and apparatus for inferring engine oil temperature for use with an oil change indicator May 27, 1997
An electronic engine controller infers the instantaneous temperature of lubricating oil in an engine by determining a steady state oil temperature value as a function of engine speed and aircharge, determining an oil temperature time constant as a function of mass air flow rate and d
5628299 Air/fuel control system with lost fuel compensation May 13, 1997
An air/fuel control method for an internal combustion engine. A portion of fuel delivered to the engine which is lost between the piston and engine cylinder walls during predetermined engine operating conditions is calculated. Fuel delivered to the engine is then adjusted for the cal
5617836 Engine control system for producing and responding to an index of maturity of adaptive learing April 8, 1997
An adaptive closed loop fuel control system generates an index of maturity value which indicates the extent to which parameters which characterize an individual engine have been learned and stored for future use in a non-volatile memory. A timer produces the index of maturity value by
5609126 Variable camshaft timing system with altitude compensation March 11, 1997
An electronic engine controller operates to control the phase angle of a variable position camshaft. The engine controller receives signals indicative of engine coolant temperature, aircharge temperature, throttle position, engine speed and camshaft position, and generates a camshaft
5605040 Inferring temperature of a heated exhaust gas oxygen sensor February 25, 1997
A method of inferring the temperature of a heated exhaust gas oxygen sensor is used in the control of the operation of an electronic engine control for an internal combustion engine.
5600947 Method and system for estimating and controlling electrically heated catalyst temperature February 11, 1997
A method and system for estimating and controlling the temperature of an electrically heated catalyst having a heating element disposed in an exhaust passage of an internal combustion engine. Mass air flow into the engine is sensed. A temperature at an inlet of the catalyst is first
5579738 Returnless fuel system December 3, 1996
A fuel delivery system is disclosed in which fuel pressure at a fuel rail is controlled by controlling electrical power applied to an electric fuel pump. The fuel pressure is controlled to maintain the minimum value required to meet two constraints. The first constraint is the quantity o
5566546 Method of inferring soak times for an electronic engine control system October 22, 1996
The present invention is a method for obtaining an inferred soak time suitable for inferring exhaust system and other temperatures with sufficient accuracy to permit control of at least one feature of an internal combustion engine to be based thereon. In this way, soak time strategy
5540202 Ignition timing control system for varying cold start spark advance during adaptive learning July 30, 1996
An electronic ignition timing system which cooperates with an adaptive closed loop fuel control system to provide more rapid heating of an exhaust catalyst by retarding the ignition tinning during colds starts only after an index of maturity value has been generated to indicate that
5515833 Exhaust gas recirculation system with improved altitude compensation May 14, 1996
An internal combustion engine includes an exhaust gas recirculation (EGR) mechanism for transporting a controlled amount of exhaust gas generated by the engine from the exhaust manifold to an intake manifold of the engine. An electronic engine controller (EEC) controls the EGR rate by de
5515832 Method of controlling internal combustion engine exhaust hydrocarbons May 14, 1996
A method for reducing hydrocarbon emissions exhausted from an internal combustion engine includes timing the opening and closing of valved intake and exhaust ports to overlap for a predetermined time period, and introducing at least one of a pressure decrease at the intake passage du
5497745 Engine control for enhanced catalyst warm up while maintaining manifold vacuum March 12, 1996
An engine controller (12) controls an ignition system (88) and bypass throttle valve (96). An ignition timing signal is set to an initial value as a function of engine (10) operating parameters. The timing signal is retarded during cold operation to rapidly warm a catalyst converter (20)
5497655 Controlling resistance heaters on exhaust gas oxygen sensors March 12, 1996
A method of controlling the operation of heaters for an exhaust gas oxygen sensor as function exhaust gas temperature as compared to a first exhaust gas temperature to turn on the heaters and a second exhaust gas oxygen sensor temperature to turn off the heaters.
5492094 Engine control system for maintaining idle speed February 20, 1996
An engine controller (12) controls engine idle speed via control of a bypass throttle valve (96) and an ignition timing system (88). The ignition system (88) also provides a retard in ignition timing during cold operation to rapidly warm a catalytic converter (20) coupled to the engine
5483941 Method and apparatus for maintaining temperatures during engine fuel cutoff modes January 16, 1996
A method, for use with a vehicle including a multi-cylinder internal combustion engine having exhaust valves, for controlling the temperature of the exhaust valves during fuel cutoff modes of engine operation utilizing a bit pattern representation of the engine cylinders. The method
5479898 Method and apparatus for controlling engine torque January 2, 1996
A method for reducing the engine torque being produced by an internal combustion engine to a desired engine torque through coordinated control of spark retard, cylinder cut-out and air/fuel scheduling. The method is for use with a vehicle including a multi-cylinder internal combustion
5414994 Method and apparatus to limit a midbed temperature of a catalytic converter May 16, 1995
An electronic engine controller limits the maximum temperature of a midbed point within a catalytic converter by determining an instantaneous temperature of the midbed point as a function of a temperature of exhaust gas at an exhaust flange, of a temperature variation of exhaust gas from
5383432 Method and apparatus for controlling ignition timing based on fuel-air composition during fuel e January 24, 1995
Method and apparatus for controlling ignition timing during alternating rich and lean fuel-air composition excursions for efficiency and for controlling torque fluctuations associated with the excursions. The method, for use in a vehicle having an internal combustion engine including
5331936 Method and apparatus for inferring the actual air charge in an internal combustion engine during July 26, 1994
A mass airflow based control system for an internal combustion engine is provided which is capable of inferring cylinder air charge during non-steady state periods of operation of the engine. The control system infers cylinder air charge from values of rotational engine speed, air ma










 
 
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