Class 123/41E - Electrical

Subclass of Class 123 - Internal-combustion engines
No. of patents: 33
Last issue date: 04/29/2008

Number	Title	Issue Date
7363884	Engine control device with reverse control function An engine control device with a reverse control function including: reverse control means for performing reverse control including a process of excessively advancing an ignition position of an engine for reversing a rotational direction of the engine when a reverse ...	04/29/2008
7278388	Engine starting for engine having adjustable valve operation A method for controlling an engine having at least two cylinders, at least one of which having at least an adjustable valve, the method comprising before engine rotation closing electrically actuated valves in at least a first and a second cylinder; fueling at least...	10/09/2007
7203593	Air starter and electronic control therefor An in-head compressed air start-up system for an internal combustion engine comprises an absolute angular position detector for the crankshaft outputting an electrical signal indicative of the angular position, a computer for storing a table of the firing order of t...	04/10/2007
7177753	Method for limiting the rotational speed of internal combustion engines A method for limiting the rotational speed in an internal combustion engine is provided. A detection device detects prevailing operating parameters. Based on the prevailing operating parameters, the control variables for the ignition, injection and throttle valve po...	02/13/2007
7171925	Method for reversing the direction of rotation of a two-stroke engine A method for reversing the direction of rotation of a two-stroke engine whose rotational speed and crank mechanism position are sensed by a sensor system. To reverse the direction of rotation of the engine, the ignition and/or the fuel supply is first switched off, ...	02/06/2007
7159571	Method for detecting reverse rotation for internal combustion engines In a method for detecting reverse rotation when starting an internal combustion engine having a sensor disk which is coupled to a crankshaft of the engine, the sensor disk having a marking via an alternating arrangement of teeth and tooth spaces, and a first sensor ...	01/09/2007
7082899	Controlled starting and braking of an internal combustion engine An internal combustion engine may be provided with independently controllable valves, fuel injectors and ignition elements that may be used to start the engine without a separate auxiliary device such as an electric starter motor. The engine may fire the cylinders u...	08/01/2006
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 opposition to projections (11, 12) of a rotor (1), and ...	06/13/2006
7047956	Kickback preventing device for engine A number of embodiments of ignition systems wherein reverse rotation also known as kickback is detected particularly upon engine starting and stopped until the condition has been cleared and forward running is assured. ...	05/23/2006
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 amount determination means for determining the fuel injection amount...	02/21/2006
6997155	Engine starting structure for remote-control toy car An engine starter structure for remote-control toy car is disclosed to include a cylinder block, a coupling block mounted inside the cylinder block and connected to the output shaft of the engine of the remote-control toy car, a side cover covering the cylinder bloc...	02/14/2006
6946749	Automatic management of the health of an electrical storage device A system and method for maintaining the health of an electrical storage device measures revolutions per unit time of an engine shaft of an internal combustion engine. A status signal is provided indicating whether the engine shaft is disengaged or engaged with a rem...	09/20/2005
6830015	Method and electronic apparatus for reversing the rotation of an engine A method and an electronic apparatus for reversing the rotation of a two-stroke internal combustion engine, provided with an ignition system powered by a permanent magnet voltage generator. The electronic apparatus comprises a microprocessor control unit programmed ...	12/14/2004
6784658	Signal generator for multi-cylinder internal combustion engine and rotation information detector using signal generator A signal generator for an internal combustion engine for obtaining precise information on a rotational direction of the engine when the engine runs at extremely low speed, comprising: a rotor having a first series of reluctor corresponding to a cylinder of the engin...	08/31/2004
6715453	Method and apparatus for preventing locking of engine-operating-characteristic changing device A method of controlling an engine-operating-characteristic changing device operable between a first and a second operating state and including a locking device for locking the changing device in the first operating state in which a compression ratio of an intake air...	04/06/2004
6668799	Control method for ignition system A rotor has teeth on a rotor body. The teeth indicate fixed ignition timings for both of normal and reverse rotations. The teeth also indicate beginning positions of a calculation ignition sequence and an excess advanced ignition sequence for both of the ...	12/30/2003
6647933	Electronic control unit for two-cycle internal combustion engine An electronic control unit for a two-cycle internal combustion engine including an exhaust control valve which adjusts exhaust timing, a valve controller which controls the exhaust control valve, and a reversal controller which controls reversing a rotati...	11/18/2003
6532908	Engine starter for a reversible engine An engine starter for a reversible engine includes a drive device rotatably mounted on the reversible engine. The drive device includes a flywheel connected to a motor and a positioning seat selectively attaching the flywheel to the reversible engine. The...	03/18/2003
6474273	Control system for reversible internal combustion engine A control system for a reversible internal combustion engine comprising an AC magneto generator to generate an AC output voltage and a signal generator to generate pulse signals of polarity different from each other with a relation between the phases of t...	11/05/2002
6405687	Control system for two cycle internal combustion engine A control system for a two cycle internal combustion engine comprising signal generator means to generate a low speed ignition position detection signal at a position suitable for igniting the engine at a low speed of the engine so that an ignition system...	06/18/2002
6357398	Control system for internal combustion engine A control system for an internal combustion engine is provided for a running equipment, which prevents from running in the direction opposed to the driver's intention when reversing the engine is failed although a driver executes a reverse process of reve...	03/19/2002
6237546	Reversible internal combustion engine In a reversible-type internal combustion engine including electromagnetically operated gas change valves and a control unit for controlling actuation of the gas change valves, a direction of rotation switch is actuated to reverse engine rotation whereupon...	05/29/2001
6234119	Process for controlling a change-over of a rotative direction of a two cycle internal combustion engine used for driving a travelling machine A process for controlling a change-over of a rotative direction of a two cycle internal combustion engine used for driving a travelling machine such as a scooter, a snowmobile, a buggy car or the like wherein the rotative direction of the engine is revers...	05/22/2001
6098574	Method for controlling changing-over of rotational direction of internal combustion engine A rotational direction change-over control method capable of reversing a rotational direction of an internal combustion engine without discharging unburnt gas. When a reverse command is generated, feed of fuel to the engine is interrupted to reduce a rota...	08/08/2000
6044807	Reverse rotation control apparatus for a two-cycle engine of a motor vehicle A reverse rotation control apparatus for a two-cycle engine of a motor vehicle which can be implemented inexpensively while preventing exhaust gas composition and ignition performance from degradation. The apparatus includes a variety of sensors for gener...	04/04/2000
6039010	Reverse rotation control apparatus for a two-cycle engine of a motor vehicle A reverse rotation control apparatus of inexpensive structure for making it possible to reverse rotation of a two-cycle engine for a motor vehicle without need for monitoring constantly engine rotation speed (rpm) while sparing gear box includes a variety...	03/21/2000
5996555	Electronic ignition system for an internal combustion engine An electronic ignition system for an internal combustion engine is described herein. The ignition system includes a sensor assembly provided with two sensing elements configured and sized to detect teeth mounted on an outer cylindrical surface of the roto...	12/07/1999
5964191	Reverse rotation control system for two-cycle engine of motor vehicle A reverse rotation control system for a two-cycle engine of a motor vehicle which can be implemented inexpensively while preventing exhaust gas from degradation. The system includes a variety of sensors for generating signals corresponding to engine opera...	10/12/1999
5794574	System for reversing 2 stroke engine A system for reversing the direction of a two-stroke, internal combustion engine provided with a spark ignition system, the engine having at least one cylinder and a piston reciprocating therein and connected to drive a rotary crankshaft, the system compr...	08/18/1998
5782210	Electronic ignition system for reversible internal-combustion engines An electronic ignition system for reversible internal combustion engines. The ignition system comprises a voltage generator (10, 11) for feeding the ignition circuit (12, 13) of the engine (P), a first signal pickup device (PK1) in the voltage generator (...	07/21/1998
5161489	Reversible engine To change a rotational direction of a working apparatus such as a nut runner, rotational positions of a crankshaft at the highest voltages of primary currents in normal and reverse rotating operations are symmetrically arranged in relation to a rotational...	11/10/1992
5036802	Reverse rotation engine A reversing internal combustion engine has an ignition system controlled by a microprocessor which samples the magneto voltage output in order to make decisions concerning spark/timing. By suppressing the spark to allow the engine to slow down, and reappl...	08/06/1991
3981278	Protection apparatus for remotely controlled self-reversing marine engines Apparatus for protecting reversible engines against damage during reversal of engine rotation notwithstanding that such reversal is initiated remotely by the operator by a single movement of the control handle without regard of the engine speed at the tim...	09/21/1976

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Class 123/41E - Electrical