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US20110302917 |
TWIN SCROLL TURBOCHARGER WITH EGR TAKEOFFS
Systems and methods for operating a twin scroll turbocharged engine with a junction configured to selectively control exhaust gas delivery to an exhaust gas recirculation system and a twin scroll... |
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US20130151117 |
METHOD OF DETERMINING WATER CONTENT OF ETHANOL FOR FFV AND CORRECTING FUEL QUANTITY BASED ON WATER CONTENT
A method of determining the water content of ethanol for an FFV and correcting fuel quantity based on the water content, which verifies whether an oxygen sensor is normal or abnormal, and it is... |
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US20130060449 |
IMBALANCE RE-SYNCHRONIZATION CONTROL SYSTEMS AND METHODS
Fueling to one cylinder of an engine is selectively adjusted based on a correction associated with the cylinder. An instability module increments a counter value when the correction is equal to... |
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US20120004831 |
CONTROLLER FOR INTERNAL COMBUSION ENGINE
An internal combustion engine uses, as the fuel, ammonia and gasoline (supporting fuel) for promoting the combustion of the ammonia. The ammonia is injected from an ammonia injector into an intake... |
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US20120191322 |
Controlling an Engine Having an Electronically-Controlled Turbocharger
A procedure for startup and shutdown of an internal combustion engine with an electronically-controlled turbocharger (ECT) is disclosed. The startup and shutdown procedures are determined to... |
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US20110029217 |
FUEL INJECTION PIN DISPLACEMENT PROFILE INTERPOLATION
According to various embodiments of the invention, a map of injection pin profiles is experimentally determined at various locations spanning an engine operating plane. Injector pin profiles at... |
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US20120004824 |
NATURAL GAS AND DIESEL FUEL BLENDING SYSTEM
An electronically controlled fuel blending system that injects compressed natural gas into the air intake of a diesel engine resulting in lower emissions, increased fuel economy is disclosed. |
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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... |
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US20130197781 |
METHOD TO COMPLETE A LEARNING CYCLE OF A RECURSIVE LEAST SQUARES APPROXIMATION
A method to control a non-linear system includes operating a learning cycle to approximate characteristics of the system and, once the learning cycle is complete, operating the system based upon... |
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US20090084351 |
IDLE SPEED CONTROL METHOD FOR CONTROLLING THE IDLE SPEED OF AN ENGINE WITH A CONTINUOUS VARIABLE EVENT AND LIFT SYSTEM AND A FUEL CONTROL SYSTEM USING THE METHOD
Air quantity of ISC is roughly controlled on the basis of the lift amount of an intake valve, whose air flow rate control range is wide. The adjustment of the air quantity beyond the range of the... |
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US20140039778 |
NOX CONTROL DURING CYLINDER DEACTIVATION
Methods and systems are provided for improving engine exhaust emissions while enabling exhaust catalyst regeneration following an engine lean event. Prior to a VDE event, or prior to an engine... |
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US20150152795 |
Dynamic Cylinder Deactivation with Residual Heat Recovery
Cylinder deactivation is a proven solution to improve engine fuel efficiency. The present invention is related to Dynamic Cylinder Deactivation (DCD) control solution to conventional multiple... |
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US20120029789 |
Methods of detecting pre-ignition and preventing it from causing knock in direct injection spark ignition engines
A method of preventing a pre-ignition event within a cylinder (20) of a spark ignition engine (100) involves taking in-cylinder measurements and using the measurements to determine the... |
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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... |
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US20140074377 |
SELF-TUNING ELECTRONIC FUEL INJECTION SYSTEM
A self-tuning fuel injection system and method having a first long-term fuel trim correction algorithm to selectively replace an operating zone within a volumetric efficiency look-up table based... |
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US20080115486 |
FLEXIBLE FUEL TOLERANT CATALYTIC CONVERTER DIAGNOSTIC METHOD
A monitoring system for a catalytic converter is provided. The system includes: a fuel determination module that determines a fuel composition based on a sensed composition of fuel in a fuel... |
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US20110022289 |
METHOD OF CONTROLLING AN ELECTRICALLY ASSISTED TURBOCHARGER
Suitable for retrofitting conventional turbo charged engines, an electrically controlled turbocharger is installed in a Compression Ignition Direct Injection (CIDI) Engine and controlled to... |
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US20100299048 |
ENGINE FOR AN AGRICULTURAL HARVESTER HAVING ISOCHRONOUS TORQUE CURVE WITH POWER BULGE
A method of operating an IC engine in an agricultural harvester includes the steps of: operating the IC engine in a normal mode with a base torque curve as a function of engine operating speed and... |
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US20150219050 |
FUEL INJECTION SYSTEM
A fuel injection system in the present invention is provided with a fuel injection valve (10) which incorporates a heater (20) for heating fuel before being injected. The temperature of the heater... |
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US20140121948 |
HUMIDITY CORRECTIONS FOR FUEL SETPOINT ADAPTATION
A method for adjusting an oxygen sensor measurement within an exhaust gas feedstream output from an internal combustion engine based on humidity includes monitoring relative humidity of ambient... |
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US20100031904 |
System and Method for Crankcase Gas Air to Fuel Ratio Correction
A method and a system for correcting combustion in an engine to control for the effect of crankcase gases in the intake system are disclosed. The system includes one or more sensors in the... |
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US20100324801 |
SYSTEM FOR SUPPLY OF LPG/AMMONIA FOR DIRECT-INJECTION PETROL OR DIESEL ENGINES
A system for supply of LPG/ammonia for direct-injection petrol or diesel engines comprises, in combination: an electronic control unit for regulation and control of the strategies (1); a... |
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US20100312453 |
Vapour Measurement
The present invention provides, with reference to FIG. 1, an internal combustion engine (10) having a fuel injector which comprises a sprung piston (55) or a resilient diaphragm piston (8155) and... |
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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... |
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US20100318276 |
Control Strategy For A Diesel Engine During Lean-Rich Modulation
The control system controls lean-rich modulation of fueling using a set of engine specific fueling parameter maps. One set of maps is a set of lean fueling maps, and another set is a set of rich... |
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US20140136081 |
SPARK PLUG DEGRADATION DETECTION
Methods and systems are provided for identifying and indicating degradation of an engine cylinder spark plug. In response to a cylinder misfire event during selected engine operating conditions,... |
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US20110224886 |
ON-BOARD FUEL PROPERTY DETECTION USING PATTERN RECOGNITION AND POWER SPECTRAL ANALYSIS OF CYLINDER PRESSURE SIGNAL
Combustion pressure in a diesel combustion chamber is monitored to determine a combustion parameter as a function of the monitored pressure. A cetane number of the fuel combusted is determined as... |
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US20120004830 |
CONTROLLER FOR INTERNAL COMBUSTION ENGINE
An internal combustion engine (10) utilizes, as a fuel, ammonia and gasoline (combustion-supporting fuel) for promoting combustion of ammonia. Ammonia is injected from an ammonia injector (22)... |
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US20150260118 |
METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE AND CORRESPONDING INTERNAL COMBUSTION ENGINE
A method for operating an internal combustion engine includes the steps of determining an oxygen filling state of an oxygen storage of a catalytic converter by way of a first lambda signal... |
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US20110130944 |
METHOD FOR AUTOMATICALLY CONTROLLING AN INTERNAL COMBUSTION ENGINE
A a method for automatically controlling an internal combustion engine, in which an individual accumulator pressure (pE) of a common rail system is detected in a measurement interval and stored;... |
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US20140303878 |
REDUCING ENRICHMENT DUE TO MINIMUM PULSE WIDTH CONSTRAINT
Methods and systems are provided for maintaining stoichiometry of an exhaust gas during operation of a fuel injector at a threshold pulse width. In response to operation of a fuel injector at the... |
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US20150226147 |
CONTROLLER AND CONTROL METHOD FOR ENGINES
An alternator configured to acquire a motive force from an engine to generate electricity and a capacitor capable of storing therein the electricity generated by the alternator are provided. An... |
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US20130268177 |
INDIVIDUAL CYLINDER FUEL AIR RATIO ESTIMATION FOR ENGINE CONTROL AND ON-BOARD DIAGNOSIS
A method of estimating the individual fuel air ratio richness of an individual cylinder in an engine by utilizing a single oxygen sensor at the confluence of a plurality of exhaust runners. The... |
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US20140012486 |
Method and control unit for detecting a voltage offset of a voltage-lambda characteristic curve
A method/control unit for detecting a voltage offset in a range of a voltage-lambda characteristic curve of a two-point lambda sensor in an engine exhaust gas duct as to a reference voltage-lambda... |
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US20120016566 |
Method for Purging Fuel Vapors
A method for improving purging of fuel vapors from a boosted engine is presented. In one embodiment, the method increases the efficiency of a venturi that supplies vacuum to purge fuel vapors from... |
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US20130024094 |
METHODS FOR CONTROLLING COMBUSTION OF BLENDED BIOFUELS
A closed-loop control algorithm that reduces the increases in nitrogen oxides (NOx) commonly observed with biodiesel combustion while retaining particulate matter (PM) reductions with variable... |
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US20120271533 |
SPARK-IGNITION ENGINE AND METHOD OF CONTROLLING THE SPARK-IGNITION ENGINE
A method of controlling a spark-ignition engine including an ignition plug for spark-igniting mixture gas inside a cylinder in an engine body, and an effective compression ratio changing module... |
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US20140172273 |
SYSTEM AND METHOD FOR CONTROLLING TORQUE OUTPUT OF AN ENGINE WHEN A WATER PUMP COUPLED TO THE ENGINE IS SWITCHED ON OR OFF
A system according to the principles of the present disclosure includes a pump control module, an actuator control module, and a torque reserve module. The pump control module switches a water... |
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US20110125390 |
Driveline system impact reverberation reduction
A method for driveline impact reverberation reduction including operating an engine coupled to a transmission; regulating operation of the engine with a controller to adjust fueling of the engine... |
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US20110166770 |
DIESEL ENGINE FUEL SOUNDNESS CONTROL SYSTEM AND DIESEL ENGINE FUEL SOUNDNESS EVALUATION METHOD
A diesel engine fuel soundness control system includes: a density measuring instrument 11 that measures a density of a fuel F of a diesel engine (D/E) in real time; a micro carbon residue (MCR)... |
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US20150025776 |
FUEL SUPPLYING CONTROLLER
In a fuel supplying controller detecting a clogging of a fuel filter, a timer count portion includes a steady count portion and an unsteady count portion. The steady count portion adds a steady... |
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US20150094933 |
COLD START EMISSIONS REDUCTION DIAGNOSTIC SYSTEM FOR AN INTERNAL COMBUSTION ENGINE
A cold start emissions reduction diagnostic system for an internal combustion engine includes a coolant temperature module including a coolant temperature input, and a memory module having a... |
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US20090319153 |
SYSTEM AND METHOD OF FUEL SYSTEM OPTIMIZATION
A method of optimizing a fuel system on a vehicle is provided. The fuel system includes a fuel tank configured to receive and contain a quantity of fuel, and the method includes determining a... |
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US20150159576 |
ADAPTIVE LEARNING OF DUTY CYCLE FOR A HIGH PRESSURE FUEL PUMP
Methods and systems are provided for closed loop operation of a high pressure fuel pump connected to the direct injectors of an internal combustion engine. During operation of the high pressure... |
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US20120226429 |
METHOD FOR CONTROLLING A DIESEL ENGINE SYSTEM
A method for controlling a diesel engine is disclosed in which the diesel engine is controlled to produce less soot when the operating state of an associated emission control device such as a... |
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US20130158752 |
FUEL OPTIMIZING SYSTEM FOR A MOBILE ASSET, AND A RELATED METHOD THEREOF
A method includes determining a plurality of characteristic profiles associated with a mobile asset moving from a first operating point to a second operating point along a predefined path. The... |
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US20130024097 |
COMBUSTION CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE
In an internal combustion engine (engine) in which premixed combustion and diffusion combustion are carried out in a combustion chamber, the premixed combustion and the diffusion combustion are... |
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US20090171551 |
SECONDARY AIR SUPPLY SYSTEM AND VEHICLE
A secondary air supply system includes a CPU, a first air supply pipe, a second air supply pipe, a first shut-off valve, and a second shut-off valve. First ends of the first air supply pipe and... |
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US20110166767 |
COMPENSATION FOR OXYGENATED FUELS IN A DIESEL ENGINE
A fuel compensation factor (FCF) is determined to account for the amount of oxygenated fuel blended in diesel fuel. In one embodiment, the FCF is based on an expected exhaust gas oxygen... |
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US20150105996 |
VISCOSITY DETECTION USING STARTER MOTOR
Various methods for inferring oil viscosity and/or oil viscosity index in an internal combustion engine are provided. In one example, a new control method comprises cranking the engine during a... |