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7623953 |
Integrated regeneration and engine controls
A method to integrate engine and exhaust aftertreatment control may include connecting an engine controller to an aftertreatment controller using a common data link protocol to provide a...
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7617040 |
Ignition apparatus for internal combustion engine
An ignition apparatus which allows for an accurate diagnosis of a spark plug in an internal combustion engine provided with plural spark plugs for each cylinder is provided for an internal...
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7611567 |
Exhaust gas purifying apparatus for internal combustion engine
An exhaust gas purifying apparatus for an internal combustion engine includes a particulate filter for trapping particulates found in the exhaust gases of the engine. The regeneration process for...
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7610139 |
In-cylinder pressure detection device and method for internal combustion engine, and engine control unit
An in-cylinder pressure detection device for an internal combustion engine, which is capable of detecting an in-cylinder pressure accurately without being adversely affected by changes in the...
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7607415 |
Method of crank signal disturbance compensation
An engine system that compensates for disturbances in a crankshaft signal is provided. The system includes: an error module that computes an error between an ideal period and an actual period of a...
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7606654 |
Oxygen sensor output correction apparatus for internal combustion engine
A correction apparatus for correcting an error in an output of an oxygen sensor such as an A/F sensor installed in an exhaust pipe of an internal combustion engine to measure the concentration of...
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7603980 |
Sensor abnormality detecting method and electronic throttle control apparatus
An electronic throttle control apparatus includes first and second throttle position sensors that detect an opening of a throttle valve for adjusting an amount of supply air to an internal...
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7603252 |
Method and apparatus for calculating effective volume of diesel particulate filter
A method for calculating the effective volume of a diesel particulate filter invention may include: determining whether regeneration efficiency exists; determining, if regeneration efficiency...
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7599786 |
Power output apparatus, vehicle equipped with power output apparatus, and control method of power output apparatus
A vehicle is equipped with a planetary gear mechanism including a sun gear, a carrier, and a ring gear that are respectively connected to a first motor, an engine, and a driveshaft. A second motor...
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7596992 |
Fuel injection control apparatus designed to compensate for deviation of quantity of fuel sprayed from fuel injector
A fuel injection control apparatus for an internal combustion engine is provided. A controller directs a fuel injector to spray a learning injection quantity of fuel and determines a resulting...
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7596447 |
Control apparatus for internal-combustion engine
Provision is made to avoid a fuel discharge timing and a fuel injection timing during the ordinary operation of the engine from being limited, by, upon the activation of an engine, making a...
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7596446 |
Control device
A change in a torque request for an internal combustion engine during a prediction period is predicted as a change in a target torque. Further, a change in an outputtable upper-limit torque during...
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7594495 |
Electronic throttle valve control system and two-wheeled motor vehicle
An electronic throttle valve control system prevents rapid rotation of a throttle valve when the control system has a failure. A throttle valve controls the amount of intake air to an internal...
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7593808 |
Apparatus and method for engine performance evaluation
A system that measures the density of the air in the intake of an internal combustion engine and calculates the gain or loss in performance provides a display to an operator in real time in a...
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7587269 |
Power output apparatus, control method of power output apparatus, and vehicle equipped with power output apparatus
In response to the driver's depression of a brake pedal in requirement of catalyst deterioration control with a catalyst deterioration control flag Fc set equal to 1, the braking control of the...
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7584310 |
Signal processing device
A signal processing device includes a start time obtaining part that obtains a start time when a predetermined process is started in response to an interrupt request associated with a valid edge of...
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7581534 |
Internal combustion engine ignition device
An internal combustion engine ignition device is provided in which an ECU ( 200 ) includes a pulse generation circuit ( 201 ) that outputs pulse signals (Igt 1 and Igt 2 ) and an ion-signal...
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7578288 |
Method for operating an internal combustion engine, computer program product, computer program, and control and/or regulating device for an internal combustion engine
In a method for operating an internal combustion engine, a sensor for detecting and/or an actuator for setting a performance quantity of the internal combustion engine is/are monitored for the...
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7577512 |
Method for switching between operating modes of an internal combustion engine having a plurality of control units
A method for switching between operating modes of an internal combustion engine having a plurality of control units, in particular a switchover between full-engine operation and half-engine...
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7572305 |
Exhaust gas purification for internal combustion engines and method for operating the same
The present invention relates to an exhaust emission control apparatus for an internal combustion engine and a process for operating it. The exhaust emission control has a particulate filter for...
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7571047 |
Detection of valve deactivation failure by monitoring exhaust temperature
An internal combustion engine having valve deactivation capability for at least one cylinder, or for an entire bank of cylinders in a multiple-bank engine, is provided with a temperature probe in...
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7568467 |
Crank position correction using cylinder pressure
A method of correcting a crankshaft position may include determining first, second, and third crankshaft positions, determining first, second, and third cylinder pressures, determining first,...
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7567867 |
Method and device for diagnosing a crankcase ventilation of an internal combustion engine
A method and device for diagnosing a crankcase ventilation of an internal combustion engine, which enable a diagnosis of a malfunction of an actuator of the crankcase ventilation. The internal...
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7558668 |
Exhaust system having temperature sensor verification
An exhaust system is disclosed. The exhaust system has a first sensor disposed to sense a first temperature of an exhaust flow and a second sensor disposed to sense a second temperature of the...
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7558667 |
Method for detecting assembled state of gas sensors and apparatus for detecting assembled state of gas sensors
A vehicle including plural gas sensors assembled in plural exhaust systems, detecting an oxygen concentration in an exhaust gas, where an air-fuel ratio feedback control is carried out together...
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7552007 |
Calibration systems and methods for scheduled linear control algorithms in internal combustion engine control systems using genetic algorithms, penalty functions, weighting, and embedding
A method for calibrating an engine control system includes identifying engine calibration sub-problems for an engine calibration; seeding an initial generation for one of the engine calibration...
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7542865 |
Abnormality determination device of cylinder pressure sensor
An abnormality determination device of a cylinder pressure sensor calculates a gain (sensing sensitivity coefficient) and an offset (bias) indicating an output characteristic of the cylinder...
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7529616 |
Analysis of fuel combustion characteristics
Some embodiments of a system for determining combustion characteristics may be capable of automatically determining and displaying a plurality of combustion characteristics on a multiple-axis plot....
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7519467 |
Cylinder air-fuel ratio controller for internal combustion engine
An air-fuel ratio of each cylinder is estimated on the basis of the detection value of an air-fuel ratio sensor disposed in an exhaust confluent portion. An air-fuel ratio correction quantity is...
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7516009 |
Intake charge deficit method for engine real-time diagnostics application
The present invention relates to a method of engine operation to provide a real time engine diagnostic to detect EGR, turbocharger or compressor malfunctions and to prevent such malfunctions from...
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7509940 |
Marine engine
A marine engine is arranged such that it compares a detected ion current value with a predetermined sea water-ingress current value, which is indicative of sea water being present in the combustion...
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7509210 |
Abnormality determination apparatus and method for blow-by gas feedback device, and engine control unit
An abnormality determination apparatus and method for a blow-by gas feedback device, and an engine control unit are provided for improving the accuracy of abnormality determination even when an...
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7505847 |
Configurable electronic control system and diagnostic method
A configurable electronic controller system used for signal acquisition of input sensors and control of output loads, connected respectively to the configurable controller, can be re-configured to...
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7505836 |
Inspection system for watercraft
A watercraft propelled by an outboard motor includes an inspection system. The inspection system includes a terminal computer that conducts an inspection of an engine control device and a control...
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7499793 |
System for discrimination of spurious crank encoder signals
A system for discrimination of spurious crankshaft encoder signals. A position encoder connected to an engine crankshaft sends a pulsed signal indicative of crankshaft rotational performance to an...
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7499792 |
Diagnostic method for an exhaust gas probe and diagnostic device for an exhaust gas probe
An exhaust gas probe is disposed downstream of a catalytic converter in an exhaust gas tract of an internal combustion engine. A first quality value which is representative of a signal dynamic of...
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7497204 |
Drive circuit for an injector arrangement and a diagnostic method
The invention relates to a drive circuit for an injector arrangement comprising a first fuel injector in parallel with a capacitive component. The drive circuit comprises: a selector means (SQ 1 ,...
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7497201 |
Control system and method for improving fuel economy
A control system is provided for controlling the fueling system ( 402 ) of a combustion engine. The control system includes a sensing arrangement for measuring a plurality of engine and vehicle...
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7489997 |
Diagnostic apparatus for internal combustion engine
A diagnostic apparatus for an internal combustion engine, comprising an adjusting device for adjusting a burning condition, a correction device for estimating or detecting an input or an output to...
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7487035 |
Cylinder abnormality diagnosis unit of internal combustion engine and controller of internal combustion engine
It is determined whether an engine operating state is within a specified operating range. When the engine operating state is within the specified operating range, the air-fuel ratio of an i-th...
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7487034 |
Device and method for reducing the contamination of a sensor
With devices and methods for reducing the contamination of a sensor, a sensor or sensor element—preferably a hot film air-mass meter—is deactivated when a software function integrated in the...
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7487032 |
Engine control system
An engine control system, which is adaptable for individual differences among engines, changes with time, environmental changes, etc., and which can control engine torque with high accuracy and...
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7480559 |
Calibratable fault reactions in heavy-duty diesel engines
A method to operate an internal combustion engine by derating the engine in response to sensed emissions levels as compared to engine speed and engine torque and logging a fault.
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7477983 |
Exhaust gas diagnosis system and vehicle control system
An exhaust gas diagnosis system and a vehicle control system for automotive vehicles to reduce the communication lines and the power lines connected to the antiweatherability-required exhaust gas...
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7469173 |
Voice notification system for a vehicle
A notification system for a vehicle includes at least a first and a second power source. The notification system also includes a controller that is operable with the first and second power sources...
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7467042 |
Method and control unit for diagnosing a valve lift adjustment system of an internal combustion engine
A method assesses the functional capability of a gas exchange valve lift adjuster of an internal combustion engine as a function of a measure of rotational oscillation amplitudes of a camshaft. The...
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7463970 |
Torque based engine speed control
A method of achieving a desired engine speed of an internal combustion engine includes determining the desired engine speed, calculating a slow response torque value based on the desired engine...
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7463969 |
Control device and control method for engine
An estimated quantity of soot deposited near a movable part of a variable capacity mechanism and an estimated quantity of soot burnt off therefrom are determined in advance in accordance with...
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7461632 |
Method for operating an internal combustion engine
A method for operating an internal combustion engine having a first fuel injection system for injecting fuel into a combustion chamber of a cylinder of the internal combustion engine, and having a...
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7454284 |
Method and apparatus for remote communication and control of engine performance
An apparatus for remote identification of combustion performance of a vehicle is provided. The apparatus comprises a vehicle with a throttle device for control of fuel into a multiple cylinder...
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