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8047181 Speed and position sensing device for EMD two-cycle diesel engines  
A device is disclosed for sensing the speed of an EMD 567/645/710 two-cycle diesel engine having a crankcase, electronic fuel injectors and an electronic control system for controlling the...
7861689 Method for controlling an internal combustion engine  
A method for controlling an internal combustion engine with at least two cylinders in the case of irregular running caused by combustion problems has the following steps: measurement of a segment...
7844386 Reference signal generator and method  
A reference signal generator generating a reference signal for high-resolution measurement/control in real time includes a means for calculating the rotational trend, e.g. increase/decrease in the...
7784443 Spark-ignition gasoline engine  
A spark-ignition gasoline engine having at least a spark plug, the engine including an engine body having a geometrical compression ratio set at 14 or more, and an intake valve and an exhaust valve...
7721693 Method for adjusting the rotational angle position of the camshaft of a reciprocating internal combustion engine in relation to the crankshaft  
A method for adjusting the rotational angle position of the camshaft (3) of a reciprocating piston internal combustion engine relative to the crankshaft (5) is provided. The crankshaft (5) is...
7653476 Method and system for continuously controlling an internal combustion engine on an engine bench testing unit  
The present invention relates to a system and a method for continuous operation of an internal-combustion engine (2), comprising at least an actuator connected to a working device of the engine, an...
7637249 Fuel injection control device for internal combustion engine  
A fuel injection control apparatus is provided with a fuel injection nozzle, a crank angle detector, a timer, and a control computer. The crank angle detector outputs a pulse signal corresponding...
7516732 Method for detecting the beginning of combustion in an internal combustion engine  
A method detects the beginning of combustion in an internal combustion engine (1) having several cylinders (2, 3, 4, 5), form a rotation speed signal determined for a shaft (6) of the engine (1). A...
7475672 Inductive ignition control system  
An apparatus for producing an ignition spark in an internal combustion engine. The apparatus comprises an inductive ignition device having a primary coil and a secondary coil, flow of current...
7370634 Internal combustion engine spark timing control system  
A method for controlling spark timing in an internal combustion engine. The method includes determining, in response to a knock sensor mounted to the engine, a spark offset to the scheduled spark...
7267105 Optically triggered electronic distributor for an internal combustion engine  
A distributor for an internal combustion engine and associated methods comprise a camshaft having a drive gear thereon, a trigger disk positioned on the camshaft so as to rotate coaxially...
7216627 Internal combustion engine provided with double system of fuel injection  
An internal combustion engine includes an engine control unit for setting a ratio of fuel injection quantity of both the injectors. The engine control unit includes a memory storing four sheets of...
7171942 Protective engine speed control for a centrifugal clutch  
A device that controls the engine speed of an internal combustion engine of a hand-held power tool has a protective control unit. The engine has an ignition control unit for controlling the...
7171949 Ignition timing controller for internal combustion engine  
A crank angle sensor outputs a crank angle signal pulse every when a crankshaft rotates a predetermined crank angle. A time period sufficient for rotating a crankshaft between adjacent crank angle...
7165542 High energy ignition method and system using pre-dwell control  
A system and method of managing the energy stored in a single ignition coil of a distributor inductive ignition for an engine. The engine comprises a plurality of cylinders and the ignition coil...
7107965 Controlling spark of an engine with adjustable intake valve timing  
A system and method to control spark timing of an engine wherein the injection timing of the engine is varied relative to a crankshaft position depending on engine operating conditions. According...
7059300 Ignition control apparatus for internal combustion engine  
An ignition control apparatus for an internal combustion engine for preventing ignition control upon occurrence of rotation reversal of the engine includes a rotation sensor (3) disposed in...
7062373 Misfire detection apparatus of internal combustion engine  
A misfire detection apparatus of an internal combustion engine. The misfire detection apparatus includes an angle sensor for detecting rotation angle of the internal combustion engine, an ECU for...
7040282 Independent timing retard for engine speed limiting  
A method and system for operating an engine wherein ignition of the engine is activated according to a predetermined timing schedule that references engine speed, and the ignition is suppressed...
7021259 Variable valve control apparatus and method in internal combustion engine  
In an internal combustion engine, which is provided with a variable valve mechanism that varies an open/close characteristic of an intake valve, a target open/close characteristic of the intake...
6966299 Start control device and start control method for internal combustion engine  
An electronic control unit adjusts an electronic throttle valve to a starting opening in a cold start mode of an engine, then maintains the opening of the electronic throttle valve so that an...
6932057 Engine control device  
To permit reliable occurrence of initial combustion at the start of an engine during which a stroke is not determined by only a crank pulse and to increase an engine speed. During a period from...
6932740 Method for controlling ignition of an internal combustion engine  
A method for controlling the ignition of an internal combustion engine (10) for a motor vehicle. More specifically, the method controls the timing of ignition for each of cylinder of the internal...
6830033 Method for phase recognition in an internal combustion engine  
A method for phase recognition of an internal combustion engine with a plurality of cylinders is preformed in an operating region of the engine having selected operating conditions. A crankshaft...
6752134 Ignition arrangement  
An improved electronic ignition arrangement for an internal combustion engine having an output drive shaft, a rotary shaft drivingly coupled to the output drive shaft, a plurality of spark plugs,...
6742502 Engine control method and apparatus  
An improved method and system for the control of an engine system such as the spark timing. The control senses the speed variations either during a portion of a complete cycle and a complete cycle...
6705289 Device and method for determining the firing angle  
A device and a method are provided to, with the aid of a limiting module, advance the maximally retarded ignition angle by a value with respect to the static combustion limit. The timing advance of...
6688283 Engine start strategy  
The strategy controls operation of an internal combustion engine in the time period before an oxygen sensor is warmed up sufficiently to provide reliable feedback measurements. It involves using a...
6672283 Four-cycle engine for marine drive  
A four-cycle engine for a marine drive has an air induction device introducing air to a combustion chamber. The air induction device defines an intake port next to the combustion chamber. An intake...
6668798 Apparatus for controlling ignition timing of engine  
An apparatus for controlling an ignition timing of an engine is capable of reducing or preventing occurrences of backfires. The apparatus includes a no-load deceleration state detector for...
6668796 Internal combustion engine control for jet propulsion type watercraft  
In order to provide an internal combustion engine control unit for a jet propulsion type watercraft which can control an internal combustion engine so that a rider can perform risk avoidance...
6575134 Electronic governor for a gasoline engine  
A capacitive discharge ignition system for an internal combustion engine including: a capacitor for storing electrical energy to produce a spark; a first switch having a trigger input for receiving...
6467456 Engine ignition timing control system for outboard motors  
An engine ignition timing control system for outboard motor having a propeller connected to the engine to be rotated and mounted on a boat such that the boat is propelled forward or backward. The...
6209517 Apparatus for controlling rotational speed of internal combustion engine  
A control apparatus controls the rotational speed of an internal combustion engine by generating a command value for ignition timing of the internal combustion engine to convert an actual...
6058909 Cylinder identifying apparatus for an internal-combustion engine  
In a cylinder identifying apparatus for an internal-combustion engine for identifying the state of a cylinder from rotation signal generating device of one system, reverse is detected on the basis...
6058908 Hall effect ignition  
An electronic ignition system according to an embodiment of the present invention includes a Hall effect device for detecting crankshaft rotation. A circuit is provided to select first or second...
5884605 Controller and control method for engine ignition timing  
A target torque is calculated as a proportion PI relative to a torque generated by an engine at a basic ignition timing. An ignition timing correction amount is calculated based on this proportion...
5564390 Method for controlling engine timing  
A method for an internal combustion engine controls engine timing as a function of engine load, speed and air intake temperature to reduce engine NOx emissions and/or engine fuel consumption. The...
5419295 Method for controlling the trigger sequence in a flywheel magneto system  
A method for controlling the trigger sequence in a flywheel magneto system including a magnet system for inducing a trigger pulse for a gate trigger current switch. When the trigger pulse is below...
5361741 Electronic ignition device for internal combustion engines  
An electronic ignition device for internal combustion engines is disclosed. The disclosed device employs a Hall sensor along with a Permanent Magnet (PM) mounted on a moving part of an engine to...
5295465 Apparatus and method for controlling ignition of an internal combustion engine  
An ignition system for an engine includes a position detector that generates a signal pulse while a segment of a member driven by the engine rotates past a given angular position. A first circuit...
5209202 Multiple functions cam sensing  
A variable cam phase timing system in which there is one crankshaft sensor, and one camshaft sensor per independently phase shiftable camshaft which can be used for controlling the cam phase...
5099810 Device for producing control signals in timed relation to the rotation of a shaft  
A device for controlling ignition and/or injection operations in a four-stroke internal combustion engine comprises a phase-locked loop (PLL) in which a frequency divider (14) divides the number of...
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...
4917064 Method of and apparatus for generating cylinder discriminating signal in distributor for internal combustion engine  
A method of and apparatus for generating a cylinder discriminating signal in a distributor for an internal combustion engine are disclosed. The cylinder discriminating signal is generated by a...
4901698 Emission control system  
A method is provided for the control of nitrogen oxide and carbon monoxide emissions from a digester gas engine by the injection of air immediately upstream of the intake valve to form a gradient...
4854285 Electronic control circuit for internal-combustion engines  
An electronic control device for internal-combustion engines in which, when the engine has begun a slow-speed hunting state, the ignition timing is changed from the first ignition timing to the...
4834047 Spark-ignition internal combustion engine  
A spark-ignition internal combustion engine having an intake passageway diverging into first and second intake passage portions leading to combustion chambers of the engine. A blocking valve is...
4512303 Ignition time controlling device in contactless ignition devices for internal combustion engines  
An ignition time controlling device having a trigger circuit employing a programmable unijunction transistor which will be ON at a timing when a primary short-circuiting current of an ignition coil...
4506643 Ignition system for internal combustion engines  
The timing of the signal to the primary of an ignition coil is controlled by selectively connecting impedance to a transducer in accordance with an engine operating parameter such as revolutions...
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