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US20110041796 OIL MAKE-UP AND REPLENISHMENT OIL FILTER AND METHOD OF USE  
An oil filter and oil-additive dispensing device comprising an oil filter and oil additive replenishment system further comprising: a full-flow oil filter; a by-pass oil filter; an oil additive...
US20130013166 DETERMINATION OF EXHAUST BACK PRESSURE  
Systems and methods for determination of exhaust back pressure in a turbocharged engine are disclosed. In one example approach, a method for determination of exhaust back pressure for an engine...
US20150219522 CORRELATION BASED FUEL TANK LEAK DETECTION  
A method for an engine, comprising: sealing a fuel tank; and indicating fuel system degradation based on a comparison of a first correlation coefficient, determined based on a change in fuel tank...
US20150006059 METHOD FOR DETECTING WATER-IN-FUEL AFTER REFUELING EVENT  
A method, comprising generating a water-in-fuel indication responsive to a water-in-fuel content increasing more than a threshold amount within a threshold time of a refueling event is presented.
US20150088399 EXHAUST SYSTEM AND METHOD OF ESTIMATING DIESEL PARTICULATE FILTER SOOT LOADING FOR SAME  
A method of estimating soot loading in a diesel particulate filter (DPF) in a vehicle exhaust system includes determining engine operating conditions of an engine in exhaust flow communication...
US20130144506 ENGINE PROTECTING APPARATUS FOR PREVENTING THE INFLOW OF MOISTURE  
The present invention relates to an engine protecting apparatus for preventing the inflow of moisture, which drops the RPM (revolutions per minute) of an engine by generating an RPM drop request...
US20130282255 METHOD FOR DETERMINING CRANKCASE BREACH AND OIL LEVEL  
Embodiments for detecting crankcase breach are provided. In one example, a method includes indicating both crankcase ventilation system degradation and a crankcase oil sump level based on a common...
US20130018566 Effectiveness Modeling and Control Methods for EGR Cooler  
A method of modeling and testing the effectiveness of an EGR cooler. The cooler effectiveness is mathematically modeled as a function of various temperatures and over an operation history that...
US20120197510 SNOWMOBILE HAVING ELECTRONICALLY CONTROLLED LUBRICATION  
A snowmobile having an electronic oil pump fluidly connected to an oil tank thereof is disclosed. The electronic oil pump is fluidly connected to an engine of the snowmobile for delivering...
US20110118953 ABNORMAL COMBUSTION DETECTION METHOD FOR INTERNAL-COMBUSTION ENGINES FROM COMBUSTION INDICATOR DISTRIBUTION MODELLING  
An abnormal combustion detection method for spark-ignition internal-combustion engines, from combustion indicator distribution modelling is disclosed. At least one combustion indicator such as...
US20120053815 UPPER LEVEL KEY PARAMETER DEFINITION FOR SBS LOGICAL BIODIESEL SENSOR  
The present patent application refers to particular upper level key parameter definitions for a logical sensor for Internal Combustion engines (Compression Ignited or Spark Ignited working in...
US20120271535 METHOD FOR MANAGING THE AUTOMATIC STOPPAGE OF AN AUTOMOBILE  
A method including: a) determining a value representative of temperature of exhaust gases flowing in an exhaust duct of an engine upstream from a turbine; b) comparing the representative value...
US20130024088 CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE  
Control device of an internal combustion engine that determines whether or not to perform sensor element heating control of an air-fuel ratio sensor with high accuracy based on the mass of...
US20140257668 ENGINE-OFF REFUELING DETECTION METHOD  
A method for an engine fuel system comprises, during an engine-off condition, indicating a refueling event based on a rate of change in fuel tank pressure, and aborting a diagnostic leak detection...
US20150105995 VISCOSITY DETECTION USING SUMP  
Various methods for inferring oil viscosity and/or oil viscosity index in an internal combustion engine are provided. In one aspect, a new control method comprises: after engine shutdown, learning...
US20150094930 MINIMUM POWER CONSUMPTION FOR COOL DOWN DIAGNOSTIC BASED ON CYLINDER DEACTIVATION  
A diagnostic system for an engine of a vehicle includes a temperature determination module, a comparison module, and a fault indication module. The temperature determination module receives an...
US20110307157 AIRFLOW GENERATING DEVICE FOR ALTERNATOR COOLING AND VAPOR CANISTER PURGING  
Various systems and methods for an engine in a vehicle which includes an airflow generating device coupled between an alternator and a fuel vapor canister are described. In one example, airflow...
US20110214650 ENGINE-OUT NOX VIRTUAL SENSOR FOR AN INTERNAL COMBUSTION ENGINE  
A method for controlling an internal combustion engine includes monitoring engine operation including a parameter descriptive of NOx generation within the engine, determining a fast transient NOx...
US20110093181 METHOD FOR BIODIESEL BLENDING DETECTION BASED ON INTERNAL MEAN EFFECTIVE PRESSURE EVALUATION  
A method for biodiesel blending detection in a internal combustion engine includes, but is not limited to a first evaluation of the internal mean effective pressure (IMEP) by means of measurements...
US20150094931 Method for performing maintenance on an engine  
A method for performing maintenance on an engine includes: providing an engine maintenance system including a database system having a database and a database management device: providing a first...
US20110296817 ADAPTIVE OXYGEN SENSOR METHODS, SYSTEMS, AND SOFTWARE  
One embodiment is a system operable to control entry of an oxygen sensor into a learning mode. Further embodiments, forms, objects, features, advantages, aspects, and benefits shall become...
US20120067031 METHOD AND APPARATUS FOR MONITORING A REDUCTANT INJECTION SYSTEM IN AN EXHAUST AFTERTREATMENT SYSTEM  
A reductant injector is configured to dispense a reductant into an exhaust gas feedstream of an internal combustion engine upstream of a selective catalytic reduction device. The reductant...
US20130073185 PREDICTIVE MODELING AND REDUCING CYCLIC VARIABILITY IN AUTOIGNITION ENGINES  
Methods and systems are provided for controlling a vehicle engine to reduce cycle-to-cycle combustion variation. A predictive model is applied to predict cycle-to-cycle combustion behaviour of an...
US20140172268 STEPPED IDLE RETURN FOR MULTIAIR EQUIPPED ENGINES WITH HIGH AERATION  
A method and system for controlling the engine during a return to idle maneuver when the engine's oil is highly aerated. The system and method will implement a stepped return to idle maneuver when...
US20130024087 ABNORMAL COMBUSTION DETECTION AND CHARACTERIZATION METHOD FOR INTERNAL-COMBUSTION ENGINES  
An abnormal combustion detection and characterization method for spark-ignition internal-combustion engines using combustion indicators is disclosed. A multidimensional space having each dimension...
US20130024091 METHODOLOGY TO COMPENSATE THE EFFECT OF HUMIDITY AND ALTITUDE ON HCCI COMBUSTION  
A method for controlling combustion in a spark-ignition direct-injection internal combustion engine includes monitoring an engine operating mode and an ambient parameter, determining a deviation...
US20130124070 METHOD OF ASSESSING THE FUNCTIONING OF AN EGR COOLER IN AN INTERNAL COMBUSTION ENGINE  
A method of assessing the functioning of an EGR cooler of an EGR system in an internal combustion engine, wherein the EGR cooler can be selectively operated in a first and a second operating...
US20150057908 ASIL B-COMPLIANT IMPLEMENTATION OF AUTOMOTIVE SAFETY-RELATED FUNCTIONS BY MEANS OF A HIGH DIAGNOSABILITY, QUALITY MANAGED-COMPLIANT INTEGRATED CIRCUIT  
An automotive internal combustion engine electronic control unit for performing safety-related functions with a predetermined automotive safety integrity level, including: a microcontroller and an...
US20130131954 METHOD OF PREDICTING NOx GENERATION AMOUNT  
A method of predicting NOx generation amount may include calculating NO generation rate by using a combustion pressure of an engine and driving variables of the engine, obtaining NO generation...
US20140156172 EXHAUST HUMIDITY SENSOR  
Embodiments for adjusting engine operating parameters based on output from an exhaust humidity sensor are provided. One example method for an engine comprises based on a dew point of exhaust gas,...
US20120053816 METHOD FOR DETERMINING THE OXYGEN STORAGE CAPACITY OF A CATALYTIC CONVERTER AND METHOD FOR DETERMINING A TIME DELAY INHERENT IN A LAMBDA PROBE  
In an arrangement, wherein a post-catalytic converter lambda probe is arranged downstream of a catalytic converter having an oxygen store, and wherein both the oxygen store and the post-catalytic...
US20090132147 Evaporative emission canister purge actuation monitoring system having an integrated fresh air filter  
An evaporative emission canister purge actuation monitoring system includes an integrated valve body having a main flow passage, and an air filter assembly disposed adjacent the valve body and...
US20120290190 System for Determining EGR Cooler Degradation  
Systems and methods for diagnosing an EGR system are presented. The method provides for indicating EGR system degradation in response to a temperature at an outlet of an EGR cooler. The method may...
US20150128568 METHOD FOR DETERMINING IF AN INJECTOR IS IN A BLOCKED STATE  
A method for determining if an injector (10) is in a blocked state, the injector including a coil of resistance R and of inductance L, passed through by a power supply current of maximum intensity...
US20130030670 SYSTEM AND METHOD FOR CONTROLLING ALTERNATOR OR INTEGRATED STARTER GENERATOR OUTPUT VOLTAGE  
An automotive vehicle includes an engine, an alternator or integrated starter generator, and at least one controller. The at least one controller reduces voltage output of the alternator or...
US20110137537 OPERATING AN ENGINE WITH REFORMATE  
The present description relates to operation and control of a fuel reformer. In one embodiment, an engine constituent is adjusted in response to limiting an amount of reformate supplied to the...
US20120316752 VEHICULAR ENGINE APPLIANCE AND METHOD FOR WATCHING THEREOVER  
A vehicular engine appliance (10), comprising: a viscometer (18), installed in the vehicular engine, for measuring viscosity of the vehicular engine oil (14); a connection between the viscometer...
US20110257865 IGNITION TIMING CONTROLLER OF INTERNAL COMBUSTION ENGINE  
The apparatus of the present invention corrects a control target value of ignition timing using a multipoint learned value AGdp(n) for compensating for a change amount of the ignition timing...
US20110010070 FUEL INDICATOR METHOD  
A method for operating a vehicle is provided. The method includes, in one example during a first a rate of change of an inclination of the vehicle, adjusting a fuel level indication based on the...
US20140019026 LOW COOLANT TEMPERATURE FAULT DIAGNOSTIC SYSTEMS AND METHODS  
A diagnostic system for a vehicle includes a comparison module, a disabling module, and a fault indication module. The comparison module indicates whether a temperature of engine coolant is less...
US20140316672 HUMIDITY SENSOR AND ENGINE SYSTEM  
Methods and systems are provided for an engine coupled temperature-based humidity sensor. Degradation of the humidity sensor may be determined while flowing gasses into an engine intake air...
US20130144503 CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE  
An internal combustion engine control device having a particulate matter sensor which has a pair of electrodes disposed at a distance from each other and measures the amount of particulate matter...
US20110118918 ADAPTATION OF A STEADY-STATE MAXIMUM TORQUE OF AN INTERNAL COMBUSTION ENGINE  
In a method for operating an internal combustion engine, a steady-state maximum output torque and a dynamic maximum torque are ascertained. The ascertained steady-state maximum output torque is...
US20140053809 VALVETRAIN FAULT INDICATION SYSTEMS AND METHODS USING ENGINE MISFIRE  
A system for a vehicle includes a misfire indication module, a valve control module, and a fault indication module. The misfire indication module selectively indicates that misfire occurred within...
US20110184625 SPARK PLUG HAVING A THERMOSENSOR  
A spark plug includes a ground electrode, a center electrode and a thermosensor for detecting a temperature, the thermosensor being situated on a combustion chamber-side end of the spark plug near...
US20130054115 INDIRECT HCCI COMBUSTION CONTROL  
A method for controlling combustion in a spark-ignition direct-injection internal combustion engine includes monitoring at least one combustion input parameter, and when the at least one monitored...
US20150027389 LUBRICATION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE, AND METHOD FOR LUBRICATION  
Embodiments for a lubrication system for an internal combustion engine are provided. In one example, a lubrication system for an internal combustion engine comprises a lubricant circuit, a...
US20140324320 ENERGY CONSERVATION SYSTEMS AND METHODS  
Methods and systems are described for conserving energy used by an energy consuming device. In certain embodiments, an energy conservation system can be configured to deliver energy to the energy...
US20130103238 ENERGY CONSERVATION SYSTEMS AND METHODS  
Methods and systems are described for conserving energy used by an energy consuming device. In certain embodiments, an energy conservation system can be configured to deliver energy to the energy...
US20130325291 SYSTEM AND METHOD FOR CONTROLLING ENGINE TORQUE TO PREVENT DRIVELINE BUMP WHEN A DRIVER DEPRESSES AN ACCELERATOR PEDAL  
A system according the principles of the present disclosure includes a torque determination module and a torque limit module. The torque determination module determines a first torque that...