About 22 results
https://drivepatents.com/patents/1068713 · 29 Mar 2006
The operating process for an internal combustion engine involves the retention of particles in the exhaust gas in the filtering device. These particles are detected by the first signal from a sensor device. The same sensor device also provides a second sig...
https://drivepatents.com/patents/1070701 · 18 Jan 2006
An exhaust gas control apparatus for an internal combustion engine, including a particulate filter which is provided in an exhaust passage of an internal combustion engine, in a case where a filter recovery control is performed by performing sub-fuel injec...
https://drivepatents.com/patents/1073402 · 12 Oct 2005
The regeneration process involves controlling a time and the amount of fuel of each of at least two after-injections, dependent on the temperature difference between an intended temperature and are measured temperature of the exhaust gas two levels of stat...
https://drivepatents.com/patents/1076609 · 22 Jun 2005
The method involves determining a value of maximum admissible load of an engine based on speed and operating parameter of the engine from cartography to control operation of the engine. The parameter is chosen from a differential pressure level between ups...
https://drivepatents.com/patents/1076885 · 15 Jun 2005
Method for controlling a diesel engine with a common-rail injection system and a particulate filter, comprising the steps of performing at least one main injection (PRE, MAIN, AFTER) of fuel into a cylinder of the engine, the fuel being intended to take pa...
https://drivepatents.com/patents/1077512 · 25 May 2005
To regenerate the particle filter, in the exhaust gas flow path from a diesel motor, the temperature and/or hydrocarbon concentration in the exhaust gas is raised by at least two successive injections of fuel into the gas, synchronized with the motor firin...
https://drivepatents.com/patents/1078434 · 20 Apr 2005
The process establishes an estimate of the dilution rate (Pdil) of fuel in oil and authorizes the regeneration when the estimate of the dilution rate is less than a preset dilution threshold. The process handles data and controls the engine to achieve rege...
https://drivepatents.com/patents/1078963 · 30 Mar 2005
A filter (10) which traps particulate matter contained in the exhaust gas of a diesel engine (20) for a vehicle is regenerated by fuel injection control. A controller (16) calculates a representative value of the operating condition of the diesel engine (2...
https://drivepatents.com/patents/1083350 · 6 Oct 2004
A control apparatus for an engine which prevents the clogging of the filter or accompanying abnormal burnup, even with the occurrence of a failure of a sensor for detecting the amount of the exhausted particulate trapped in the particulate filter. In case ...
https://drivepatents.com/patents/1085798 · 7 Jul 2004
An engine exhaust cleaning device is configured to prevent the temperature of a particulate matter filter (DPF) from rising sharply due to a reduction in the exhaust gas flow rate when a vehicle decelerates and shifts into idling operation during regenerat...