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9043121 Air-fuel ratio variation abnormality detecting device and air-fuel ratio variation abnormality detecting method  
In an engine having a plurality of cylinders in which a plurality of fuel injection valves are provided respectively, fuel is injected at a predetermined injection ratio, and an abnormality of...
9008950 Pressure sensor diagnosing method and common rail fuel injection control apparatus  
Disclosed is a common rail fuel injection control apparatus that is used in an engine that drives power equipment, an actual measurement temperature difference that is a difference between a...
8965662 Abnormality determining apparatus for air-fuel ratio sensor  
An abnormality determining apparatus includes an air-fuel ratio controller, an output change period parameter calculator, an output change amount extremum calculator, and an abnormality...
8965665 Air-fuel ratio imbalance determining apparatus among cylinders for an internal combustion engine  
An air-fuel ratio imbalance among cylinders determining apparatus according to the present invention obtains an output Vabyfs of an air-fuel ratio sensor disposed at a portion downstream of an...
8949003 Control apparatus for internal combustion engine  
Provided is a control apparatus for an internal combustion engine, which can favorably suppress an occurrence of abnormal combustion regardless of its operational conditions. An occurrence...
8939010 System and method for diagnosing faults in an oxygen sensor  
A system according to the principles of the present disclosure includes an error period module and a sensor diagnostic module. The error period module determines an error period based on an amount...
8942911 System and method for detecting a stuck vehicle accelerator and remedial control  
A control system for a vehicle includes an error detection module and a remedial control module. The error detection module detects whether an accelerator of the vehicle is stuck is based on...
8939134 Apparatus for controlling internal combustion engine  
An apparatus for controlling an internal combustion engine executes air-fuel ratio feedback control based on a detection result of an exhaust gas sensor and when the engine is shut down, stops...
8924133 Turbocharged engine canister system and diagnostic method  
An evaporative emission control system for a turbocharged engine. The system includes a fuel vapor canister in fluid communication with an intake manifold of the engine, a purge valve positioned...
8924132 Method for monitoring the enabling of a system  
A method for monitoring the enabling of a system which is assigned to an internal combustion engine, in which the readiness for operation of the system is dependent on an operating temperature, is...
8909457 Dual fuel common rail system and method of transitioning from diesel only to dual fuel method of operation  
A dual fuel common rail system may be operated in a regular mode in which a relatively large charge of gaseous fuel is ignited by compression igniting a relatively small injection quantity of...
8903630 Method and system for engine control  
Methods and systems are provided for fuel systems including a gaseous fuel. Temporary flow restrictions in the fuel line of a first gaseous fuel may be addressed by temporarily shifting to...
8892337 Apparatus for detecting imbalance abnormality in air-fuel ratio between cylinders in multi-cylinder internal combustion engine  
An apparatus for detecting imbalance abnormality in an air-fuel ratio between cylinders in a multi-cylinder internal combustion engine according to the present invention increases a fuel injection...
8862364 Methods and systems for turbine line replaceable unit fault detection and isolation during engine startup  
Systems and methods for isolating a performance anomaly within one or more line replaceable units (LRUs) on a gas turbine engine by monitoring the start up transient are presented. The system...
8857412 Methods and systems for common rail fuel system dynamic health assessment  
Fuel control dynamic health assessment systems and methods related to monitoring fuel flow control are provided. In one embodiment, a method for controlling a system having an engine, includes...
8849548 Anti-sticking and diagnostic strategy for exhaust system valves  
An engine system includes an exhaust system fluidly connected to an electronically controlled engine. Exhaust from the engine may travel a first pathway through a turbine of a turbocharger, or a...
8849547 Method for testing the fuel quantity balance in a common rail system, corresponding engine control system, and corresponding diagnostic device  
In a common rail system having two electrically controlled actuating elements, e.g., a metering unit at the input side of a high-pressure pump and a pressure regulating valve on the common rail,...
8810189 Machine systems including pre-power diagnostics  
Example embodiments disclose a drive system including a machine including a plurality of phases and configured to generate power based on a plurality of phase currents, each respectively...
8812219 Control apparatus for internal combustion engine  
The present invention provides a control apparatus used in an internal combustion engine that can switchably use a compressed natural gas and gasoline. The control apparatus carries out a miss...
8805609 Apparatus and method for detecting abnormal air-fuel ratio variation  
An apparatus for detecting an abnormal air-fuel ratio variation, includes an abnormality detecting unit that detects an abnormal variation in each of a plurality of fuel injection valves on the...
8793975 Device and method for diagnosing a technical apparatus  
A device and a method are provided for diagnosing a technical apparatus which is particularly developed as an internal combustion engine. When specified states of the technical apparatus are...
8788180 EGR control system for internal combustion engine  
An object of the present invention is to suppress the dispersion of EGR gas amount between cylinders when the stuck open state arises in an EGR valve in an EGR apparatus for an internal combustion...
8770171 Combustion engine, diagnostic arrangement for a combustion engine and a method for setting a combustion engine  
A combustion engine has a fuel supply unit, an ignition unit and a controller controlling the amount of fuel and the ignition time. An adjustable throttle element controlling the amount of...
8725389 Control device for multi-cylinder internal combustion engine  
A control device for a multi-cylinder internal combustion engine executes feedback control such that an air-fuel ratio detected by an air-fuel ratio detecting unit becomes a target air-fuel ratio,...
8725391 Method for identifying an error function and in particular a drift of a rail pressure sensor in a common rail injection system  
In order to locate errors of the rail pressure sensor (38) when starting problems occur, the following method steps are proposed: determination of whether starting problems occur in the engine and...
8706377 Control device and method for the control of functions  
A controller system in which a plurality different main functions are integrated includes a plurality of microcontrollers. Each of the microcontrollers is associated with one of the main...
8706384 Determination of an overspeed-shutdown event in a combustion engine  
Methods and systems are provided for detecting an overspeed shutdown condition of an internal combustion engine. The pressure within an air-intake manifold of the engine is measured, and that...
8706381 System and method for detection failures of mass airflow sensors in a parallel intake engine  
A system for a parallel intake engine includes first, second, third, and fourth modules. The first module estimates a total mass air flow (MAF) into the engine based on a cross-sectional area of a...
8689758 Starter control apparatus  
An ECU for controlling a starter includes a transistor in addition to transistors, which turn on relays provided for a pinion gear and a motor of the starter, respectively. The transistor is...
8666639 Fuel supply control apparatus for engine, and fuel supply control method therefor  
The present invention relates to a fuel supply control apparatus and to a fuel supply control method, provided with an engine control unit and a fuel pump control unit. The engine control unit...
8630786 Low purge flow vehicle diagnostic tool  
A vehicle includes an engine, a sealed fuel system having a fuel tank, a canister for storing fuel vapor, a vapor circuit external to the fuel tank, and a control valve. The vapor circuit includes...
8573185 Diagnostic device for internal-combustion engine  
An anomaly in a high-pressure fuel system of an internal combustion engine is diagnosed early on and with high precision, and, further, the anomaly site is identified. With respect to a diagnostic...
8560199 Control system in vehicle, wheelie determining method, and driving power suppressing method  
A control system in a vehicle including a front wheel which is a driven wheel and a rear wheel which is a drive wheel, the control system including: a control unit configured to control a driving...
8560212 Method and device for operating a gas injection system of a gas fuel and a liquid fuel operated internal combustion engine  
In a method for generating an internal combustion engine configured to run on both a gas fuel and a liquid fuel, the shutoff valve of the gas injection system is initially closed, the engine is...
8548718 Air/fuel ratio variation abnormality detection apparatus, and abnormality detection method  
In an abnormality detection apparatus and an abnormality detection method for a construction in which each of cylinders is provided with a plurality of fuel injection valves, if it is discerned...
8521403 System for disabling engine throttle response  
A method and a device for interrupting unintended acceleration or unintended maintenance of vehicle speed comprising providing a driver operated fuel delivery disconnect system, said fuel delivery...
8521404 Fuel injection apparatus for internal combustion engine  
The fuel injection apparatus includes: a fuel injector having a leading end that has an internal space in which fuel is accumulated and has a fuel injection port; and an adsorbent, capable of...
8515651 Method for stabilizing a controller and corresponding controller device  
The invention relates to a method for stabilizing a controller and to the use of that method for stabilizing a controller system in an internal combustion engine. It is proposed that the stability...
8498800 Engine control unit  
An engine control unit includes an anomaly judging section for judging whether or not there is any anomaly in throttle sensors based on the output of the throttle sensors, a throttle motor driving...
8494755 Apparatus and method for controlling the speed of an internal combustion engine  
The apparatus according to the invention comprises a controller for forming a speed signal arranged to receive speed measurement data of the internal combustion engine as well as speed reference...
8489311 Method and device for failsafe control of alternator-starter of micro-hybrid type, and corresponding micro-hybrid system  
A method is implemented in a vehicle having an electronic control unit (15), vehicle sensors, a data communication bus (16), and an on-board electrical network. The micro-hybrid system (1)...
8482420 Method of monitoring oil in a vehicle  
A method of monitoring oil in a vehicle having an internal combustion engine is provided. The method includes measuring a sump temperature of the engine and measuring a power output of the engine....
8478509 Method and apparatus for varying the duration of a fuel injector cycle pulse length  
A voltage spike generated by the collapse of the magnetic field in a fuel injector coil is stored in a capacitor and sent to an engine control unit at a correct time regardless of when the...
8467949 Methods and systems for turbine line replaceable unit fault detection and isolation during engine startup  
Systems and methods for isolating a performance anomaly within one or more line replaceable units (LRUs) on a gas turbine engine by monitoring the start up transient are presented. The system...
8442745 Fuel supply apparatus for internal combustion engine and control method thereof  
In control executed by a fuel supply apparatus having a delivery passage that delivers fuel to a fuel injection valve, a fuel pump that pumps the fuel from a fuel tank to the delivery passage, and...
8428853 Malfunction diagnostic apparatus and malfunction diagnostic method for intake air temperature sensors  
A malfunction diagnostic apparatus for intake air temperature sensors includes a coolant temperature sensor; a first determination portion that determines that a precondition for performing a...
8392093 Method and device for operating an internal combustion engine  
A first camshaft misalignment value is determined from a measurement variable allocated to an engine air flow path. A second misalignment value is determined from a first operating variable...
8364385 Cylinder pressure sensor reset systems and methods  
A system for a vehicle includes a cylinder pressure sensor and a control module. The cylinder pressure sensor measures pressure within a cylinder of an engine, generates increases in a cylinder...
8353201 Intake air temperature rationality diagnostic  
A method of determining whether a fault condition of an intake air temperature (IAT) sensor of an engine is present includes estimating a first manifold absolute pressure (MAP) based on a...
8346459 Oil pressure controlling apparatus and system comprising same  
An oil flow control system has a flow control device and an oil accumulator controller. The flow control device includes a body, a passage extending through the body, and a flow control portion...

Matches 1 - 50 out of 206 1 2 3 4 5 >