Matches 1 - 49 out of 49
Match Document Document Title
7275509 Method for engaging the starter pinion of a starter with the starter ring gear of an internal combustion engine during the running-down of the internal combustion engine  
A method is provided for engaging a starter pinion of a starter with a starter ring gear of an internal combustion engine during the running-down of the internal combustion engine, which internal...
6946830 Apparatus for detecting rotation angular positions of a rotor  
A rotation-angular-position detecting apparatus of a rotor is capable of confirming an angular position of a rotation of the rotor within a relatively short period of time following a start of the...
6644273 Internal combustion engine control apparatus  
An internal combustion engine control apparatus can reliably detect abnormality in a crank angle position signal to ensure a fail safe function upon occurrence of the abnormally. A fuel injection...
6445998 Engine control unit using pulses of different frequencies  
In an engine control unit, a pulse interval in a crank signal having a pulse missing portion is measured. On the basis of the measured pulse interval, frequency multiplication signals of an...
6341253 Engine control apparatus with cylinder discrimination function  
An engine control apparatus generates a 30° CA signal which rises per 30° CA rotation based on a rotational signal from a crank angle sensor and counts up a value CNT of a crank counter by the...
5806488 Electronic engine timing  
An electronic timing system for producing precise timing control signals to the fuel injectors and ignition coils of an internal combustion engine. The system includes a cylinder cycle marker...
5513612 Multiple combustion ignition timing system  
The ignition system of the present invention includes electrical circuitry for firing two or more sparks during the power stroke of the engine. The sparks are fired at precise preselected degree...
5497749 Method for controlling engine ignition  
A method for controlling engine ignition for use in a engine system wherein the engine system includes a plurality of cylinders and a crank shaft coupled to the cylinders, comprises the steps of:...
5325710 Crank angle detecting system for a two-cycle engine  
A crank angle detecting system for a two-cycle engine has a first detecting disk secured to a crankshaft and having a plurality of first projections, a second detecting disk secured to the...
5305220 Apparatus for electronically measuring the speed of internal combustion engines and method of operating such apparatus in monitoring an internal combustion engine  
An apparatus and process for electronically measuring rotational characteristics of a rotating part that rotates with a crankshaft of an internal combustion engine. The rotating part has reference...
5291409 Spark timing control system  
A digital spark timing control for an ignition system of a spark ignited internal combustion engine. Engine crankshaft position sensor, develops by way of example, three reference pulses and...
5184590 Engine timing control apparatus  
An engine timing control apparatus has a crankshaft position sensor that generates an output signal in the form of a series of pulses having gaps at regular intervals, the gaps indicating reference...
5105783 Digital ignition system  
A method of and apparatus for enabling at least one spark plug of a internal combustion engine to provide a fuel igniting spark at a selectable time in the engine cycle is disclosed. Sensors...
5076234 Apparatus and method for controlling a multi-cylinder internal conbustion engine  
An engine control apparatus and method for accurately controlling the operation of an engine such as ignition, fuel injection, etc., particularly in the high-speed range or during a sudden change...
4953531 Crank angle detector for an engine  
A crank angle detector for an engine includes a cam rotor plate for detecting a cylinder number to be ignited and a cam pulse sensor provided opposite thereto, a crank rotor plate for sensing a...
4873958 Engine ignition timing control system  
An engine ignition timing control system comprises a camshaft angle sensor for detecting specific cam angles and outputting corresponding cam angle signals, a crankshaft angle sensor for detecting...
4790280 Ignition apparatus  
An ignition apparatus has an electrically controlled spark advance mechanism. It includes first ignition signal output circuit to output a first ignition timing signal with a predetermined spark...
4726347 Electronic ignition signal distributor for automobile engine  
Disclosed is an electronic ignition signal distributor for automobile engine, in which cylinders of the engine are identified using an ignition sequence counter and basing on the reference position...
4723520 Ignition timing control method for internal combustion engines  
A desired value of ignition timing and a correction value therefor are calculated at a timing corresponding to a first specific one of sensed predetermined crank angle positions of each cylinder of...
4649881 Precision distributorless ignition control system for internal combustion engines  
An electronic ignition system is disclosed for controlling as a function of a selected engine parameter the ignition instants of an internal combustion engine having at least one cylinder, a...
4498438 Ignition timing control unit for a car engine and method thereof  
An ignition timing control unit for a car engine by use of a microprocessor having a CPU, A ROM, and a RAM and a plurality of sensors, each output of which is connected to the input of the...
RE31709 Ignition systems for internal combustion engines  
The advance and retard of the spark ignition in an ignition system of an internal combustion engine is achieved electronically by generating two series of pulses in synchronism with the engine...
4380982 Ignition timing control method  
A spark advance angle corresponding to an optimum ignition timing is calculated in accordance with the operating condition of an internal combustion engine. Then, a reference crank angle position...
4324217 Electronically controlled ignition for internal combustion engines  
An electronically controlled ignition system for internal combustion engines. Reference position detecting means generates reference signals and angular position detecting means generates angular...
4284045 Simplified electronic ignition timing and A/D conversion  
A simplified electronic ignition timing system includes a pair of transducers for providing signals indicative of each cylinder-related sub-cycle of the engine and indicative of angular rotation...
4273089 Open loop computer-controlled spark ignition timing system  
An electronic system for controlling the firing time of a spark ignition, internal combustion engine counts teeth or other code indicia as an angle-related, closed-loop, coarse indication of firing...
4266518 Method of controlling ignition timing for internal combustion engines and apparatus for carrying out the same  
Method and apparatus is provided for calculating an optimum ignition timing for an internal combustion engine on the basis of values set in dependence on operating conditions of the engine. With a...
4261318 Ignition system for engines  
An engine ignition system includes a throttle sensor for detecting the position of a throttle valve. A control circuit is responsive to the detected throttle signal as well as the signals from...
4259723 Method for controlling operations of a combustion engine  
A method for controlling the supply of fuel and ignition spark for an internal combustion engine. The supply of fuel which is mixed with air is cut off upon engine deceleration and resumed...
4256072 Spark timing control method and device  
An optimum spark timing angle, i.e. spark advance or spark advance angle, is computed for an automobile internal combustion engine by a computing unit on the basis of at least two operational...
4254748 Ignition systems for internal combustion system  
A digital electronic ignition system employing two triggers for generating first and second voltage signals in response to engine revolutions. A first counter counts the number of second signal...
4249493 Method and system for generating operation-dependent control signals for apparatus, particularly ignition and fuel injections systems for internal combustion engines  
Data signifying the value of a controlled parameter which varies as a function of engine speed is stored on a disk rotating with an engine shaft. A sensor senses the data starting with a...
4232368 Internal combustion engine function control system  
An internal combustion engine function control system, for example a spark ignition control system, comprising first and second pulse generating means driven by the engine. The first pulse...
4175507 Electronic ignition timing control system for internal combustion engine  
An electronic ignition timing control system comprises a plurality of double ignition coils each being connected to the spark plugs of each set of two cylinders in a multi-cylinder engine. In...
4175508 Method and apparatus to generate a trigger pulse within a time range, particularly ignition pulses in internal combustion engines  
To permit use of a simple transducer cooperating with a star-wheel, for example the starter gear or other gear on an internal combustion engine and having alternate magnetically responsive...
4169438 Electronic ignition timing control system for internal combustion engine  
Ignition timing control for an internal combustion engine is achieved by sensing engine rotation so as to generate output pulses for predetermined degrees of rotation and to develop a reset pulse...
4162666 Spark advance apparatus for controlling the ignition instant of a spark plug independent of the magnitude of a power source igniting the spark plug  
Spark advance apparatus for an internal combustion engine utilizes an electronic counter circuit to count pulses generated at a rate proportional to engine speed and also utilizes a device...
4127092 Adjustable timing electronic internal combustion engine ignition swit system  
A universally applicable system should permit easy matching of ignition timing characteristics to specific engines. In order to control a digital electronic ignition system, a marker signal is...
4082069 Method and apparatus to determine the timing of cyclically repetitive events, particularly ignition instant for internal combustion engines  
A first sequence of pulses is generated synchronously with operation of the apparatus, for example with rotation of the engine crankshaft. A reference pulse is generated upon occurrence of an...
4036190 Device for automatic control of electronic spark ignition advance for internal combustion engines  
Automatic control of spark advance in an electronic ignition system for an internal combustion engine is effected by using a first electromagnetic pick-up cooperating with a protuberance which is...
4033305 Electronic ignition systems for an internal combustion engine  
A device for automatically varying the ignition spark advance angle in an electronically controlled ignition system for an internal combustion engine, in which there is a first sensor for producing...
3981282 Ignition systems and fuel injection systems for internal combustion engines  
The advance and retard of the spark ignition in an ignition system of an internal combustion engine is achieved electronically by generating two series of pulses in synchronism with the engine...
3955723 Electronic ignition spark advance system  
An ignition spark advance system is disclosed which includes pulse generating means responsive to rotation of the shaft of an internal combustion engine for generating a first train of pulses...
3941103 Method and apparatus for changing the spark advance of internal combustion engines  
The invention concerns a method and apparatus for controlling the angle of advance of an internal combustion engine, in proportion to at least one parameter e.g. intake manifold vacuum, of the...
3927648 Electronic ignition timing control circuit for internal combustion engine  
There is provided a digital electronic ignition timing control circuit for an internal combustion engine wherein a retard angle from the reference angular position of the engine which corresponds...
3923021 Digital circuit providing a trigger signal to trigger an event based on operating functions of moving apparatus elements, particularly to trigger an ignition pulse in an internal combustion engine  
A first transducer provides a sequence of pulses, for example speed-dependent pulses, which cause, sequentially, loading and unloading of more rapidly occurring count pulses. The count pulses may...
3921610 Method and system for producing a signal determining the value and phase position of the closing angle of an internal combustion engine  
An ignition system for an internal combustion engine, having as its object to close the ignition coil circuit each time a spark is required, for a constant time t' just sufficient to saturate the...
3896776 Ignition timing for internal combustion engines  
An ignition system for an internal combustion engine in which not only the timing of the spark is controlled in accordance with the speed of and load on the engine, but the duration of the spark is...
3738339 ELECTRONIC IGNITION SPARK ADVANCE SYSTEM  
An electronic ignition spark advance system for use with internal combustion engine transistor ignition systems having an ignition coil primary winding switching transistor. A reference pulse,...
Matches 1 - 49 out of 49