About 51 results
https://drivepatents.com/patents/1090262 · 21 Jan 2004
A particulate filter (22) is arranged in an exhaust passage of an internal combustion engine. Whether the particulate deposited on the particulate filter (22) has changed in property to a property harder to oxidize compared with right after deposition is p...
https://drivepatents.com/patents/1090696 · 2 Jan 2004
An exhaust passage (2) of a diesel engine (1) is provided with a filter (41) for trapping particulate matter. Regeneration of the filter (41) is divided into first to third phases. In the first phase the filter temperature is raised to the combustion tempe...
https://drivepatents.com/patents/1091589 · 26 Nov 2003
A method for controlling an exhaust gas temperature of an internal combustion engine (10) is proposed. The engine (10) is equipped with a turbocharger (12) having a compressor (24) in an air intake line (14) for compressing intake air inducted into the eng...
https://drivepatents.com/patents/1092746 · 8 Oct 2003
An exhaust gas purifying method for an internal combustion engine (1), including determining an amount of particulates in an exhaust gas which is accumulated in a particulate filter (4) disposed within an exhaust passage (10) of the engine (1), determining...
https://drivepatents.com/patents/1093180 · 17 Sep 2003
The particle filter regenerating procedure, in which a main injection of fuel (30) is applied to at least one of the cylinders of the vehicle's i.c. engine, consists of giving a post-injection of fuel (31) in the same cylinder(s), offset by a predetermined...
https://drivepatents.com/patents/1094181 · 6 Aug 2003
A process regenerates an automotive diesel engine particle filter. The automotive diesel motor (1) has an exhaust system (6) with a particle filter (9), fuel injection unit (12) and motor control unit (13). The exhaust system has an oxidizing catalytic con...
https://drivepatents.com/patents/1097317 · 26 Mar 2003
The method involves determining a state parameter characterizing the state of the exhaust gas treatment system starting from a first measurement parameter (DP), determining a correction parameter taking into account the dependence of the first measurement ...
https://drivepatents.com/patents/1097283 · 26 Mar 2003
The method is for the regeneration of an exhaust gas processing device in the exhaust gas system of an internal combustion engine, particularly a particle filter (10) in the exhaust gas system of a diesel engine (5), whereby the temperature and/or hydrocar...
https://drivepatents.com/patents/1098410 · 12 Feb 2003
Method for regenerating a post-treatment system for exhaust gases, the post-treatment system comprising in particular a particulate filter (16), an oxidation catalyst (20) and/or a catalytic phase integrated into the particulate filter (16), characterized ...
https://drivepatents.com/patents/1098916 · 22 Jan 2003
Operating an internally regeneratable exhaust gas filter (9) comprises completely or partly closing the exhaust gas retention flap and additionally opening an exhaust gas feedback flap (12) at least during idling and optionally during thrust phases or ligh...