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7628138 Engine control apparatus and related engine control method  
An engine control apparatus and related control method for an engine are disclosed wherein cylinder discrimination is executed based on a crank signal and a cam signal under a normal signal mode....
7629756 Method and apparatus for controlling asynchronous motors  
Methods and apparatus are provided for controlling first and second motors. A controller includes a processor supplying a control signal for driving the motors and a logic circuit coupled to the...
7559192 Engine control apparatus  
Provided is an engine control apparatus equipped with a three-way catalyst for purifying exhaust gas, a unit for calculating an operational state based on outputs from various sensors, a unit for...
7467626 Ignition device of ignition control system for an internal combustion engine  
An ignition device, including: an ignition coil ( 1 ) having a primary coil and a secondary coil; a switching element ( 5 ) for causing a primary current to be conducted through and shut off from...
7397207 Electric supercharger for vehicle  
The electric supercharger includes a vehicle connector, an impulse signal generator empowered by a power source, and a signal amplifier. The vehicle connector has a positive terminal and a negative...
7395810 Engine start control apparatus  
Oil level detection sensor detects an oil level in a crankcase. First charging circuit includes a serial connection of a first charging capacitor for charging a reverse voltage produced in a...
7324890 Ignition timing control apparatus for internal combustion engine  
An ignition timing control apparatus can obtain high output torque without generating output torque loss, and avoid the deterioration of audibility due to successive knock occurrences. A cylinder...
7167794 Control apparatus for an internal combustion engine  
A control apparatus for an internal combustion engine can detect a tubing disconnection failure of an intake pressure sensor thereby to make it possible to give a warning to a user and to take...
RE39310 Engine control system and method  
An engine control system and method that utilizes throttle position as one of its control parameters. The throttle position sensor is checked by sensing changed values in a time period when the...
7104043 Closed loop cold start retard spark control using ionization feedback  
This feature of the present invention comprises a method and apparatus to retard the spark time. As a result, the catalyst heats up quickly during the cold start. The retard spark control method of...
7000594 Electronic control unit for two-cycle internal combustion engine with exhaust control valve  
An electronic control unit for controlling a fuel injection amount of a two-cycle internal combustion engine with an exhaust control valve wherein the electronic control unit comprises an injection...
6964260 Electronic engine control device  
An electronic engine control unit for a motorcycle or other two-wheeled vehicle gradually decreases engine torque at the time of a failure so as to eliminate an uneasy feeling that an operator...
6945223 Failure diagnostic apparatus for intake air stream control device and control method of failure diagnostic apparatus  
A failure diagnostic apparatus for an intake air stream control valve which is provided in an intake system for an internal combustion engine, and which forms an air stream in the combustion...
6863052 Knocking control apparatus and method and engine control unit for variable cylinder internal combustion engine  
A knocking control apparatus for a variable cylinder internal combustion engine avoids erroneous determination of knocking during a fault in a cylinder pausing mechanism to appropriately control...
6850071 Spark monitor and kill circuit  
The method and apparatus of the present invention are useful for the monitoring of the electrical signals within an internal combustion spark plug circuit and the killing of a spark plug within...
6834640 Automotive engine control apparatus  
In an automotive engine control apparatus used for a multi-cylinder engine where both an injection coil and an ignition coil are employed with each of multiple cylinders, abnormal states are...
6804564 System and method for controlling and/or monitoring a control-unit group having at least two control units  
A system for controlling and/or monitoring a control-unit group having at least two control units, a first control unit and at least one second control unit, the first control unit being designed...
6769401 Power output control system for internal combustion engine  
There is provided a power output control system for an internal combustion engine, which enables the vehicle to smoothly perform refuge travel to find a place to park when an electric throttle...
6754611 Failure diagnostic system for atmospheric pressure detecting device  
There is provided a failure diagnostic system for an atmospheric pressure detecting device, which is capable of rationally determining whether that device has failed or not and is capable of...
6745748 Fail-safe system for combustion engine control  
An engine control system executes given control tasks, for example, at a 30° angular interval of an engine crank shaft. If a failure of a crank sensor has occurred, it becomes impossible to...
6732042 Apparatus and method for detecting misfire in internal combustion engine  
An ECU defines consecutively ignited three cylinders as first, second and third subject cylinders. The ECU first adds up the rotation fluctuation amount at the second subject cylinder and the...
6647959 Fail-safe device for electronic throttle control system  
A fail-safe device includes an intake air amount sensor, a throttle position sensor for detecting a throttle opening degree of an electronic throttle controller, an accelerator position sensor for...
6619260 Method for correcting the input signal and for synchronizing the cylinders in an internal combustion engine  
The method serves for input signal correction of a misfire detection function and for cylinder equalization in an internal combustion engine, especially of a motor vehicle. Here, it is provided...
6578550 Device for detecting the reverse rotation of a rotating part of an internal combustion engine  
The invention relates to a device for detecting the reverse rotation of a rotating part of an internal combustion engine, having a crankshaft ( 3 ) whose rotation, by means of a sensor ( 6 ) and a...
6546911 Default methodology for recovering from loss of high resolution engine position signal  
A default engine control method for an internal combustion engine recovers from the loss of a high-resolution engine position signal by calculating a high resolution pulse period based on a...
6474302 Knock control apparatus for internal-combustion engine  
To obtain a knock control apparatus for internal-combustion engine having a function of judging whether or not the causes for failure have been solved for returning to normal knock control at the...
6336439 Method of controlling an internal-combustion engine by switching between two engine control systems during engine run  
A method of controlling functions of an internal-combustion engine having electrically operated actuators for controlling engine functions, includes the following steps: detecting control-relevant...
6148777 Control for direct injected two cycle engine  
A fuel injection control strategy and system for engines for maintaining good performance under normal running conditions and also for providing cylinder engine speed slow-down under abnormal...
6135085 Control apparatus for use in internal combustion engine  
A failure diagnosis apparatus for an internal combustion engine having an intake air swirl control valve, includes a broken wire detection unit, a target opening degree/actual opening degree...
5992379 Method of controlling an internal combustion engine  
A control device of the internal combustion engine has a first arithmetic unit and a second arithmetic unit. The arithmetic units process a control program with a first, second and third program...
5937825 Engine control system and method  
An engine control system and method that utilizes throttle position as one of its control parameters. The throttle position sensor is checked by sensing changed values in a time period when the...
5896839 Control apparatus for an internal combustion engine  
A control apparatus of an internal combustion engine includes an electronic control unit which determines whether a throttle valve opening sensor is normal or faulty in accordance with an output...
5875763 Internal combustion engine with temperature dependent timing of spark event  
A magneto-based, variable-timing ignition system for an internal combustion engine is provided that maintains at least one operating parameter of the engine within a predetermined limit. An...
5619968 Electronic ignition system with pre-ignition prevention apparatus and method  
An electronic ignition system for a reciprocating engine includes a pre-ignition prevention control sub-system which acts as an independent monitor system to ensure the ignition system can only...
5551397 Digitally controlled magneto ignition system with alternate timing  
A digitally controlled magneto provides for the precise control of the timing advance profile for an internal combustion engine. A micro-controller or a micro-processor provides the digital control...
5544633 Magneto with dual mode operation  
An ignition system is provided for an internal combustion engine that operates in two modes. In a first mode, the timing of the spark event is under electronic control. In a second mode, the timing...
5372112 Device for controlling a multi-cylinder engine  
An engine including at least two digital computers wherein controlled systems each including a switching unit, an ignitor, and a spark plug are independently provided for each cylinder, and...
5339782 Arrangement for controlling the drive power of a motor vehicle  
An arrangement for controlling the drive power of a motor vehicle has at least two control units for controlling at least two changing variables for influencing the drive power. The variables are...
5287282 Misfire diagnosis apparatus for an internal combustion engine  
A misfire diagnosis apparatus for an internal combustion engine having a plurality of cylinders, comprising momentum change rate calculating device (M1), momentum change rate comparing device (M2),...
5184594 Failure diagnosis device of an EGR control device  
A failure diagnosis device of an EGR control device provided with an exhaust gas recirculating passage for recirculating exhaust gas of an engine to an intake side of the engine and a recirculating...
5156127 Method for optimizing plug firing time and providing diagnostic capability in an automotive ignition system  
The firing time of a spark plug (22) is optimized by measuring its actual firing time (as by detecting the rise of current in the secondary winding (44) of an ignition coil (24)), comparing the...
5148791 Method of electronic engine control for internal combustion engine having a plurality of cylinders  
A method of an electronic engine control for an internal combustion engine having a plurality of cylinders, wherein the very same air fuel ratio feed back coefficient obtained at a predetermined...
5123390 Ignition timing control apparatus for an internal combustion engine  
An ignition control apparatus for an engine which includes an ignition circuit for igniting a cylinder, and an ignition timing controller for controlling the ignition circuit so as to properly...
4972818 Control apparatus of internal combustion engine  
On an outer peripheral portion of a rotor (1), three protrusions are provided per each cylinder. A pickup coil 2 is disposed facing to the outer peripheral portion with a predetermined distance. A...
4966115 Control means of internal combustion engine for marine propulsion  
A number of embodiments of engine spark control systems wherein the engine speed is reduced in response to the sensing of an abnormal or an external condition and wherein the spark timing is...
4895121 Method and apparatus for measuring detonation in an internal combustion engine  
A method and apparatus is provided for measuring detonation in an internal combustion engine. Vibration sensors located on the engine send signals through a filter which is turned to the cavity...
4895120 Ignition control system for an internal combustion engine  
An ignition control system for an internal combustion engine which includes a microcomputer which operates to control the ignition timing in response to engine speed and engine temperature signals...
4787355 Crank angle detecting system for an internal combustion engine  
A pulse generator disk is secured to a crankshaft of an engine. The disk has notches representing a compression top dead center of each cylinder. A first magnetic pickup is provided for producing a...
4658786 Loss of input signal detection and response system for use with distributorless ignition systems  
An invention for detecting loss of input signals to a distributorless ignition system (17) and for providing appropriate responses upon detecting fault conditions. If a SPOUT signal (31) faults...
RE32286 Apparatus for electronically controlling internal combustion engine  
An apparatus for electronically controlling an internal combustion engine of automobiles, in which a processor comprising a CPU, a RAM and a ROM is determined to be in the state of its normal...
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