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Class 123/406.55 - Temperature responsive (e.g., ambient, engine, etc.)


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter wherein the regulating means for varying
No. of patents: 134
Last issue date: 08/09/2011


1        
NumberTitleIssue Date
7992543Ignition system of engine and control method thereof
An ignition system of an engine may include an ignition device that uses the current that is supplied to an ignition coil to generate spark in the combustion chamber, a starting detecting portion that detects the starting signal for starting a stopped engine, a cool...
08/09/2011
7900599Method for controlling at least one sheathed-element glow plug in an internal combustion engine and engine controller
A method for controlling at least one sheathed-element glow plug in an internal combustion engine, the temperature of the sheathed-element glow plug being controlled as a function of at least one operating parameter of the internal combustion engine in such a way th...
03/08/2011
7900600Homogeneous charge compressed ignition engine operating method
An aspect of the invention provides a method for operating a workable homogeneous charge compressed ignition engine in which a compression ignition operation is performed by spark ignition to shorten a load input time and a load cutoff time. In the homogeneous charg...
03/08/2011
7802556Homogeneous charge compressed ignition engine operating method
A method is provided for operating a homogeneous charge compressed ignition engine in which a mixture gas is burned by compression ignition in a combustion chamber of a cylinder, fuel and air being previously mixed to produce the mixture gas. The homogeneous charge ...
09/28/2010
7703438System and method for facilitating homogeneous charge compression ignition
A method of maintaining homogeneous charge compression ignition when a temperature within a combustion chamber decreases below an autoignition temperature in an engine that is configured for homogeneous charge compression ignition under at least some engine operatin...
04/27/2010
7377261Spark ignition engine and method of controlling combustion of the engine
In warming up operation when the temperature of an engine is low, heat release in a combustion chamber is delayed by making ignition timing immediately before the top dead center of compression stroke or later. Hereby, exhaust gas including a large quantity of unbur...
05/27/2008
7357121Control apparatus for internal combustion engine
An engine ECU executes a program including the steps of: calculating a fuel injection ratio of an in-cylinder injector; calculating an amount of spark advance using a first map employed when the in-cylinder injector has a fuel injection ratio of one, said first map ...
04/15/2008
7353102Trouble diagnosis apparatus for supercharger of internal combustion engine
An internal combustion engine includes parallel first and second intake passages, and the intake passages respectively include first and second superchargers. A first airflow meter measures the intake air amount in the first intake passage. A second airflow meter me...
04/01/2008
7275518Torque-based powertrain control for vehicles
A system and method for controlling a vehicle powertrain having an internal combustion engine include determining a difference between a desired engine torque and a current engine torque, adjusting the difference based on a stored torque offset corresponding to a cu...
10/02/2007
7216627Internal 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 ignition timing maps, with reference to which the maximum torque gene...
05/15/2007
7212046Power-up signal generating apparatus
In a power-up signal generating device, a power-up signal is activated at a certain level of the power supply voltage VDD by adjusting the turn-on resistance value of the MOS transistor so that the chip reliability can be improved. The power-up signal generating dev...
05/01/2007
7191760Ignition control method and ignition control device for two-cycle internal combustion engine
An ignition control device for a two-cycle internal combustion engine that controls an ignition timing for inhibiting detonation while inhibiting an increase in an exhaust pipe temperature, including: map storing means for storing a map that provides a relationship ...
03/20/2007
7171949Ignition 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 signal pulses is measured. The time period is referred to as a rotati...
02/06/2007
7165526Direct injection engine and controller for the same
A direct injection engine and a controller for the engine, which can realize super-retard combustion under high backpressure and can minimize an emission amount of HC at the startup. A cavity is formed in a piston such that fuel spray injected from a fuel injection ...
01/23/2007
7107965Controlling 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 to the method, spark timing is varied as fuel injection timing varies ...
09/19/2006
7066146Controller of internal combustion engine
A device for controlling an internal combustion engine, comprising a variable valve mechanism for varying opening areas (valve lift) or the working angles (valve-opening periods) of at least either the intake valves or the exhaust valves, wherein a pressure in the c...
06/27/2006
7059300Ignition 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
7047956Kickback 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
7013882Over-dwell protection circuit for an automotive ignition control system
An ignition control circuit (12) is responsive to a control signal (ESTC) to apply a drive signal (GD) to a power switching device (22) to conduct ignition coil current (IC) therethrough. A resistor (RS) included within the circui...
03/21/2006
6978761Cylinder event based spark
A method to deliver spark during a start for an internal combustion engine is described. The method provides individual cylinder spark angle control based on the number of fueled cylinder events. The method offers improved engine emissions while maintaining engine s...
12/27/2005
6955164Automotive ignition system with sparkless thermal overload protection
An interface for providing thermal overload protection includes a switching device, a temperature indicating device, a drive circuit and a thermal monitoring circuit. The thermal monitoring circuit is coupled across the temperature indicating device and provides a s...
10/18/2005
6951203Ignition timing control system
A method for improving engine performance, by increasing fuel efficiency and/or power output, and/or by decreasing the output of pollutants. When the temperature of the engine's exhaust system is lower than a target temperature, the ignition position of the cylinder...
10/04/2005
6941929Combustion control system for internal combustion engine
A combustion control system of an internal combustion engine is comprised of a specific gravity detecting section which detects a specific gravity of fuel used in the engine, and a combustion control section which controls combustion in the engine on the basis of th...
09/13/2005
6935311Engine control with fuel quality sensor
A system is described using a fuel quality sensor for controlling various aspects of engine operation. In particular, an acoustic wave sensor is utilized to measure viscosity and density of gasoline fuels. This measurement is utilized to predict engine combustion qu...
08/30/2005
6899082Method and system for controlling engine ignition timing
The ignition timing control system for an internal combustion engine includes an ignition device and a control unit. The control unit is programmed to execute steps including: determining if a predetermined condition for ignition timing retardation control; calculat...
05/31/2005
6851411Knocking index value calculation device and calculation method thereof
A controller (31) of a knocking index value calculation device in a spark ignition engine (1) determines operating conditions of the engine (1), estimates an in-cylinder pressure at a reference crank angle, which is set at a predetermined crank ...
02/08/2005
6845763Vehicle ignition system using ignition module with reduced heat generation
An ignition system for a vehicle includes a distributor having with a Hall Effect stator assembly and ignition module formed preferably as a thick film integrated (TFI) module, which receives a spark output (SPOUT) signal from an electronic control assembly (ECA). T...
01/25/2005
6845753System and method for controlling ignition timing in an engine
A system and method for controlling ignition timing of an engine is provided. The method includes determining a change in a combustion temperature rise within an engine based on a change in at least one engine operating parameter. The method further includes adjusti...
01/25/2005
6807941Temperature protection method for motor vehicle engine exhaust pipe
The temperature protection method for a motor vehicle exhaust pipe comprises steps of determining a minimum ignition angle from several possible values, including a stalling-speed angle, on the basis of predetermined logic and of engine operating parameters. ...
10/26/2004
6739295Compression ignition internal combustion engine
It is an object of the present invention to provide a compression ignition internal combustion engine capable of making compatible an increase in compression self-ignition operating area with an optimum output torque control in the operating area and also smoothly s...
05/25/2004
6735938Method to control transitions between modes of operation of an engine
A method is disclosed for controlling operation of an engine coupled to an exhaust treatment catalyst. Under predetermined conditions, the method operates an engine with a first group of cylinders combusting a lean air/fuel mixture and a second group of cylinders pu...
05/18/2004
6732682Control system and method for an internal combustion engine
A control system for an internal combustion engine is provided. The engine includes a compression ratio control mechanism and an ignition timing control system. The control system comprises an engine control for controlling the compression ratio control mechanism an...
05/11/2004
6701895Cylinder event based spark
A method to deliver spark during a start for an internal combustion engine is described. The method provides individual cylinder spark angle control based on the number of fueled cylinder events. The method offers improved engine emissions while maintaini...
03/09/2004
6668547Method and apparatus for protecting the catalytic converter of an internal combustion engine from overheating
A method and an apparatus for protecting the catalytic converter in the exhaust system of an internal combustion engine from overheating in the case of retarded ignition angles, in which a characteristic map (10) provides an engine-speed- and/or load-depe...
12/30/2003
6647948Fuel injection control apparatus and fuel injection control method for direct injection engine
An engine has an injector, which directly injects fuel into a combustion chamber. When the coolant temperature during the cranking of the engine is low, an ECU controls the injector such that the engine is operated in a compression stroke injection mode. ...
11/18/2003
6647952Control apparatus for cylinder injection type internal combustion engine
A control apparatus for a cylinder injection type internal combustion engine in which the fuel injection mode of the engine is switched between a compression stroke injection and an intake stroke injection. When the engine is cold, the compression stroke ...
11/18/2003
6637392Method 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
6598588Controlling 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
6588402Engine warm-up offsets
A method of controlling an internal combustion engine during a warm-up period thereof including controlling at least one operational parameter of the engine as a function of at least a certain measure of the energy delivered to the engine since the start ...
07/08/2003
6575148Humidity compensation system for an internal combustion engine
A humidity compensation system for an internal combustion engine includes a humidity sensor sensing relative humidity of intake air, a temperature sensor sensing intake air temperature, a pressure sensor sensing intake air pressure and a control circuit c...
06/10/2003
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