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| Number | Title | Issue Date |
| 8161941 | Control device for internal combustion engine A control device for an internal combustion engine which, at cold starting, enables an ignition timing retard control for warm-up of a catalyst device and a speed feedback control by means of ignition timing for converging an engine speed to a target speed includes ... | 04/24/2012 |
| 7735471 | Controlling a light-duty combustion engine A method and system for controlling a light-duty combustion engine and, more particularly, a method and system that use an engine speed governor to limit the engine speed to a level that is less than a clutch-in speed of a centrifugal clutch. If it is determined tha... | 06/15/2010 |
| 7556020 | Starting device for internal combustion engines and method therefor The present invention relates to a method for starting an internal combustion engine using a starting device, an ignition spark from a spark plug of an internal combustion engine being controllable by the starting device as a function of the speed of the crankshaft,... | 07/07/2009 |
| 7273033 | Engine control device An engine control device can be capable of suppressing a rise in engine speed at starting. The engine speed can be detected by a speed sensor and a determination can be made whether the engine speed has changed from a starting mode to a normal mode. If the engine sp... | 09/25/2007 |
| 7170284 | Blade detection sensor having an active cooling system A passive blade detection sensor exploits the electrically conductive trait of typical turbo machinery components such as fan, compressor and turbine blades. A permanent magnet is placed strategically adjacent to a wire coil to generate a single pulse/antipulse sign... | 01/30/2007 |
| 7131437 | Ignition device for internal combustion engine An ignition device for an internal combustion engine includes a power transistor connected to a primary coil of an ignition coil, a current sensing resistor connected in series with the power transistor, a constant current circuit and an abnormal oscillation control... | 11/07/2006 |
| 7027908 | Method and device for controlling an internal combustion engine on a vehicle A method and a device for controlling an internal combustion engine of a vehicle, in which a performance quantity of the internal combustion engine or of the vehicle is limited to a predefined limit value. For the limiting, a control of the air supply to the interna... | 04/11/2006 |
| 7007667 | Cold start fuel control system An engine startup fuel control system for use with an internal combustion engine of the type having a plurality of combustion chambers, an air intake passage fluidly connected to each combustion chamber and a source of fuel. The system includes a multipoint fuel inj... | 03/07/2006 |
| 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 engine rotational speed detected by a crank angle sensor increases to a ta... | 11/22/2005 |
| 6935312 | Internal combustion engine and ignition control method An ECU executes a determination process determining whether the rate of increase in the engine speed is above a prescribed rate immediately after the engine start, and if so, delays the ignition timing. ... | 08/30/2005 |
| 6805098 | Apparatus and a method for controlling an engine An invention that judges whether an engine is being cranked by a starter based on the conditions that a prior cranking control has ended, the engine rotates at or less than a limit rotation velocity leading to an engine stall, and a battery voltage falls to or below... | 10/19/2004 |
| 6799557 | Processor controlled discharge ignition with fixed firing angle at startup An ignition apparatus for use with an internal combustion engine to produce an electrical spark at a spark ignition device. The ignition apparatus includes triggering circuitry having a processor with stored timing data. The processor receives a signal indicative of... | 10/05/2004 |
| 6758190 | Method and device for controlling an output variable of a drive unit in the starting phase A method and a device for controlling an output variable of a drive unit in the starting phase is described. A controller is provided, regulating the actual value of at least one output variable to a setpoint variable of this output variable which is specified as a ... | 07/06/2004 |
| 6637392 | Method for controlling a glow plug for diesel engine For the purpose of precisely controlling a power supply to the glow plug and thereby reducing unnecessary power consumption, and stopping a control logic for a time when a battery voltage is low and thereby preventing a engine stall, the present invention... | 10/28/2003 |
| 6598588 | Controlling of ignition timing of an internal combustion engine An ignition-timing controlling apparatus for an internal combustion controls a basic ignition timing during cranking of the engine so as to correctively shift the basic ignition timing toward a retard angle side when the number of times of ignitions occur... | 07/29/2003 |
| 6505595 | Method and apparatus for controlling ignition during engine startup A method and apparatus are disclosed for controlling ignition timing during startup of a two-stroke internal combustion engine while avoiding ignition timing errors caused by engine speed fluctuations. A rotational component of the engine, such as a flywh... | 01/14/2003 |
| 6505594 | Control apparatus for internal combustion engine and method of controlling internal combustion engine A control apparatus for an internal combustion engine is provided which performs intake air flow control for controlling an engine speed to a target engine speed during starting of the engine, by adjusting a throttle opening depending upon the engine spee... | 01/14/2003 |
| 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 engine is equipped with a decompression mechanism and is st... | 10/22/2002 |
| 6212879 | Fuel combustion control system for engine A fuel combustion control system for an internal combustion engine having an exhaust gas purifying catalyst installed in an exhaust line therein advances an ignition timing to try to stabilize combustion when a fluctuation of engine speed is larger than a... | 04/10/2001 |
| 5634868 | Method for advanced crank spark with blend spark retard for an engine A method for advanced crank spark with blend spark retard for an internal combustion engine includes the steps of selecting whether a spark in an engine cylinder will be fired on a predetermined first or second crank edge during an engine start mode, firi... | 06/03/1997 |
| 5357927 | Method of controlling an engine for a flexible fuel vehicle It is determined whether an engine for a flexible fuel vehicle is in a start enabling state based on alcohol concentration of fuel supplied to the engine. When it is determined that the engine is in the start enabling state, a heater for vaporizing fuel i... | 10/25/1994 |
| 5197430 | Ignition control device for internal combustion engine A temperature compensated ignition control device for advancing ignition timing during low temperature operation of the engine wherein the temperature sensor may be mounted at any number of locations as long as the temperature it senses at the start of th... | 03/30/1993 |
| 5070839 | Ignition timing control apparatus for a marine engine An improved ignition control apparatus for a marine engine capable of improving the startability and the idling property at low speeds of the engine. An ignition coil is connected to a spark plug for a cylinder, and a generator coil supplies a current to ... | 12/10/1991 |
| 5050553 | Capacitor ignition system A capacitor ignition system for internal combustion engines, particularly for lawn mowers, chain saws, abrasive cutting-off machines, etc., has a magnetic generator for triggering a primary firing pulse generator to charge a capacitor. An electronic switc... | 09/24/1991 |
| 5046468 | Method and system with inductive rotary emitter for the control especially of the ignition timing of internal combustion engines Inductive rotary emitter for controlling the instant of ignition of internal combustion engines, has a coil with a permanent magnet core and a yoke wheel turned by a shaft. Circumferentially distributed projecting, spaced, tooth-like segments on the yoke ... | 09/10/1991 |
| 5027771 | Method and apparatus for controlling ignition timing for marine engine An apparatus for controlling an ignition timing for a marine engine has a temperature sensor for detecting a cold or warm-up state of the engine and for outputting an ON/OFF signal, and has an ignition timing controller for receiving the signal from the t... | 07/02/1991 |
| 4982712 | Ignition timing control system for an engine An ignition timing control system for an engine includes a starting judgment unit for judging a starting state of the engine, an ignition timing setting unit for setting an ignition timing of the engine, and an initial ignition timing setting unit. The ig... | 01/08/1991 |
| 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 rotation signal (S0) is converted to a rotation... | 11/27/1990 |
| 4911126 | Transistor ignition circuit The present invention discloses a multiple spark transistor ignition circuit which is able to provide negligible retardation of ignition time, and/or prevent ignition with reverse rotation and/or provide an additional advanced spark and/or govern maximum ... | 03/27/1990 |
| 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 specific crank angles and outputting corresponding crank p... | 10/17/1989 |
| 4770142 | Ignition timing control system for internal combustion engine An ignition timing control system for an internal combustion engine cuts the ignition when the engine rotational speed is below a threshhold speed indicative of stall. On starting, the threshhold speed is set low. The engine speed is monitored, and a high... | 09/13/1988 |
| 4658788 | Ignition system for internal combustion engines In an ignition system for an internal combustion engine, a signal generator generates a given ac signal in synchronism with the rotation of the engine and a waveform reshaping circuit reshapes the waveform of the ac signal from the signal generator thus g... | 04/21/1987 |
| 4553427 | Rotational reference position detection apparatus An engine crank angle determining arrangement including a rotor having teeth or slits wherein either a tooth is entirely omitted or the teeth or slits are formed with non-uniform intervals therebetween. The teeth or slits are detected by an electromagneti... | 11/19/1985 |
| 4274378 | Ignition control system for an internal combustion engine An ignition control system for an internal combustion engine, having an on-off device for controlling, at every one operational cycle of the engine, a timing to generate a discharge arc flame in each of the spark plugs to ignite the combustible mixture in... | 06/23/1981 |
| 4198941 | Method for controlling the distribution of spark voltages to engine multiple cylinders A method for controlling the distribution of spark voltages generated by an ignition coil to spark plugs provided on multiple cylinders of a combustion engine. A spark voltage distributor is provided with a rotatable electrode connected to the ignition co... | 04/22/1980 |
