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Class 123/329 - Having means to retard spark (e.g., ignition timing)


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter in which the speed regulator includes means
No. of patents: 25
Last issue date: 11/06/2007


NumberTitleIssue Date
7290525Methods and apparatus for an engine speed controller using generator torque load
An engine control system for use in connection with vehicles and the like allows the engine speed to be modified using the torque load from the electrical generator. The engine is subject to a torque load from a generator coupled to the engine. The controller compar...
11/06/2007
7284367Control apparatus of internal combustion engine
The ignition timing is sustained at an initial value during a predetermined time beginning at a start of an engine, and is retarded after the predetermined time is elapsed to heat a catalyst at an early time. The predetermined time ends when the negative pressure of...
10/23/2007
7233856Internal combustion engine and control method therefor
An internal combustion engine and control method therefor in which the engine is selectively started by combustion without cranking. The temperature in the combustion chamber of an engine cylinder is stabilized upon starting of the engine, thereby allowing secured s...
06/19/2007
7216479Exhaust emission control system for vehicle internal combustion engine
Normally, at the time of cold-start of an internal combustion engine or the like, the flow of exhaust in an exhaust passage of the internal combustion engine is suppressed or two-stage combustion is carried out so as to promote exhaust purification in an exhaust sys...
05/15/2007
7159561Internal combustion engine quick-stop
A system and method for stopping an internal combustion engine. According to one aspect of the disclosure, a shutdown sequence of the engine includes retarding ignition timing relative to ignition timing prior to initiation of the shutdown sequence, and then advanci...
01/09/2007
7111607Air intake device of internal combustion engine
An air intake device of an internal combustion engine comprises a cylinder head having therein two intake ports that are adapted to connect to a cylinder of a cylinder block; and a single partition plate that extends across both the two intake ports so that each of ...
09/26/2006
7085631Vehicle and method for operating an engine in a vehicle
A vehicle and method are provided that determine a misfire torque limit for an engine in the vehicle. The vehicle includes an electric machine operable to provide torque to the engine. The method includes commanding the engine to operate at a predetermined torque an...
08/01/2006
7025033Method and arrangement for controlling a drive unit including an internal combustion engine
The invention relates to a method and an arrangement for controlling a drive unit (1) including an internal combustion engine (5). The method and arrangement function to provide a switchoff of the engine (5) with less vibration. In the internal ...
04/11/2006
6837214System for regulating an internal combustion engine
The invention relates to a system for regulating an internal cumbustion engine (1). Said system regulates the maximum combustion pressure by modifying the start of the injection process. The aim of the invention is to improve the operational reliability of th...
01/04/2005
6799113Method and arrangement for controlling the drive unit of a vehicle
A method and an arrangement control the drive unit of a vehicle. In this method and arrangement, an rpm limiting to a reference rpm takes place when the demand of the driver is withdrawn. The reference rpm is determined at the start of the withdrawal of the driver c...
09/28/2004
6758189Engine revolution control apparatus having overspeed governing capability
When a large load is exerted during restraint control of an engine of a jet propulsion boat, the drop of the engine revolution frequency causes a feeling of harsh braking. An engine revolution frequency control apparatus provided to prevent this problem includes a e...
07/06/2004
6691675Warm-up control apparatus and warm-up control method for internal combustion engine
A warm-up control apparatus of an internal combustion engine is installed in a vehicle equipped with a brake booster that uses a negative pressure in an intake pipe of the internal combustion engine. The apparatus performs a warm-up control of the engine ...
02/17/2004
6415764Computerized system and method for controlling engine speed of an internal combustion engine
Computerized system and method for controlling an internal combustion engine are provided. The system includes a speed-setting device operable to supply a signal indicative of a desired engine speed. A speed sensor is coupled to the engine to supply a sig...
07/09/2002
6209517Apparatus 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 rotational speed of the internal combustion engine to a predetermin...
04/03/2001
5934247Engine deceleration control device
Undershoot of rotation speed is prevented by increasing an intake air amount of an engine when it decelerates. Precise control corresponding to differences of a deceleration state is realized by setting an increase amount of intake air to a different valu...
08/10/1999
5014665R.P.M. - limiting circuit of an i.c. engine
The invention is a further development of an earlier arrangement of r.p.m. limitation (SE-P-452 355). The advantage of this invention is that the adjustment of pulse times is eliminated. The arrangement can be manufactured without cost demanding adjustmen...
05/14/1991
4553517Ignition system with additional functions
A microcomputer is used in the invention for control of the ignition functions of an ignition system of an i.c. engine. A switch (17) in an operating handle or the like is connected via a transistor to a digital input of the computer. This reads the statu...
11/19/1985
4437442Automotive vehicle engine control system
A system controlling the spark timing for an internal combustion engine having ignition plugs, a fuel supply control system for cutting off the fuel supply to the engine including a fuel supply cutoff delay means is disclosed. According to the present inv...
03/20/1984
4366524Electromechanical transducer controlling device
A device for controlling an electromechanical transducer such as a proportional electromagnetic valve, in which a pulse signal having a constant period shorter sufficiently than the minimum response time required for the displacement of the plunger of the...
12/28/1982
4351296Apparatus for controlling deceleration of an internal combustion engine
A throttle positioning system is provided for holding a throttle valve at a position slightly more open than at the normal idling position, and an idle vacuum advance mechanism is provided for advancing the ignition timing when the throttle valve is at a ...
09/28/1982
4292939Fail safe devices for use with devices for limiting the speed of revolution of an internal combustion engine
A fail safe device for isolating the revolution limiter from the ignition system of an internal combustion engine, in which the output stage of the revolution limiter is continuously monitored to ascertain whether or not it is absorbing ignition pulses at...
10/06/1981
4252095Ignition system for an internal combustion engine
An ignition system for an internal combustion engine, which includes circuitry for producing pulses at a frequency directly related to rotational speed of the engine and a capacitor discharge circuit. A first monostable circuit responsive to the pulses is...
02/24/1981
4104881Prevention of overheating of catalytic converter for engine exhaust gases
Overheating of a catalytic converter receiving exhaust gases from an internal combustion engine is minimized by providing an air-fuel mixture leaner than the stoichiometric ratio for combustion in the engine, maintaining the exhaust gases in an exhaust re...
08/08/1978
3985109Breakerless ignition system for an internal combustion engine
A breakerless ignition system for an internal combustion engine comprising an ignition power supply, a capacitance discharge type ignition circuit including a capacitance, an ignition coil and a first semiconductor switching means to discharge the capacit...
10/12/1976
3941203Anti-spinning device for automobiles
The anti-spinning device comprises for each wheel a sensor delivering electric pulses proportional in number to the peripheral distance covered by the wheel, with a lower number of pulses in the case of a driving wheel, and at least one up/down counter re...
03/02/1976
 
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