About 104 results
https://drivepatents.com/patents/1003076 · 25 Apr 2012
An object of the present invention is to provide a corrected exhaust gas pressure loss calculation device which corrects an exhaust gas pressure loss that varies from moment to moment in accordance with engine operating conditions to a corrected exhaust ga...
https://drivepatents.com/patents/1003563 · 11 Apr 2012
A Soot discharge amount is calculated by multiplying a "steady discharge amount" by a "transient correction value." The steady discharge amount is a Soot discharge amount in a steady operation state, and is acquired through table search. For each of a plur...
https://drivepatents.com/patents/1006291 · 11 Jan 2012
The device has sensors (2, 3) i.e. filling level sensors, for detecting a parameter interrelated with resource e.g. storage capacity, of a particulate filter (9) and storage at ammonia container. A microprocessor system (1) estimates actual quantity of the...
https://drivepatents.com/patents/1010353 · 10 Aug 2011
The method involves comparing an instantaneous level (Ni) of particles measured by a soot sensor (AC) with a reference level (NR) when a particles filter is in a state to diagnosis of the sensor. The instantaneous level is determined for measured emission,...
Particulate matter detection device and inspection method of the particulate matter detection device
https://drivepatents.com/patents/1011060 · 13 Jul 2011
The particulate matter detection device of the present invention is a particulate matter detection device 100 comprising an electrode portion 21 and detection means 23 for detecting an electrical characteristic of the electrode portion 21, whereby a partic...
https://drivepatents.com/patents/1011985 · 15 Jun 2011
A regeneration control method of a particulate filter, may include regenerating the particulate filter, determining whether an engine is in an idle condition or in an over-run condition (S106,S112), and controlling the regeneration of the particulate filte...
https://drivepatents.com/patents/1013256 · 4 May 2011
An exhaust system, may include a trapping filter (150), a nitrogen oxide purification catalyst (130) to eliminate nitrogen oxide of the exhaust gas, an injector (120) that selectively injects fuel in the exhaust line, a fuel cracking catalyst (140) that is...
https://drivepatents.com/patents/1013671 · 20 Apr 2011
The method involves determining a parameter e.g. average engine load, representative of a favorable character of operating conditions of an internal combustion engine for a given period or a given mileage for regeneration of a particle filter, and determin...
https://drivepatents.com/patents/1016413 · 19 Jan 2011
A soot discharge amount is calculated by multiplying a "steady discharge amount" by a "transient correction value." The steady discharge amount is a soot discharge amount in a steady operation state, and is acquired through table search. For each of a plur...
https://drivepatents.com/patents/1067535 · 10 May 2006
An exhaust emission control device of an internal combustion engine includes a fuel supply unit provided in a fuel supply passage, for supplying a reducing agent directly to a NOx trap catalytic converter; an addition pressure detection unit (42) for detec...