About 104 results
https://drivepatents.com/patents/1386093 · 20 May 2026
A computer-implemented method is disclosed for diagnostics of NOx sensor(s) of a vehicle. The vehicle comprises one or more electric motor(s) for propulsion, an internal combustion engine (ICE) configured to provide energy for driving the electric motor(s)...
https://drivepatents.com/patents/1398195 · 6 May 2026
The present invention relates to a method of diagnosing an engine system (10) comprising an engine (15) and an exhaust aftertreatment system (20) for reducing emissions of the exhaust gases from the engine. The engine system comprises a plurality of replac...
https://drivepatents.com/patents/1386795 · 10 Dec 2025
Engine data processor (1) for adjusting an exhaust gas composition (25) exiting from an internal combustion engine, wherein the engine data processor (1) is configured to receive a geometric characteristic (10) of an exhaust discharge unit (11) through whi...
https://drivepatents.com/patents/1397702 · 5 Nov 2025
Embodiments described herein methods can be used in particulate filter regeneration, such as particulate filters used for filtering the exhaust of an engine, e.g., a diesel engine. Systems herein can be configured to dispense combustion gas(es) into housin...
https://drivepatents.com/patents/937780 · 14 Sep 2016
In a failure diagnosis device of an emission control system that utilizes an electrode-based PM sensor (54) to diagnose a failure of a particulate filter (51), an object of the invention is to suppress reduction of accuracy of diagnosis of a failure due to...
https://drivepatents.com/patents/938335 · 31 Aug 2016
An abnormality in an exhaust system component disposed at the downstream side of a particulate filter (4) is determined by using a differential pressure sensor (5) for measuring a differential pressure between a pressure of exhaust gas at the upstream side...
https://drivepatents.com/patents/938335 · 31 Aug 2016
An abnormality in an exhaust system component disposed at the downstream side of a particulate filter (4) is determined by using a differential pressure sensor (5) for measuring a differential pressure between a pressure of exhaust gas at the upstream side...
https://drivepatents.com/patents/939542 · 3 Aug 2016
An exhaust purifying apparatus for an internal combustion engine (1) includes a NOx removing catalyst (41), an oxidation catalyst (51), and a NOx amount calculating section (80), which is configured to calculate the amount of NOx contained in exhaust gas t...
https://drivepatents.com/patents/944982 · 13 Apr 2016
An object of the invention is to suppress a reduction in accuracy of abnormality diagnosis with an abnormality diagnosis device for an exhaust gas control apparatus that performs the abnormality diagnosis regarding the exhaust gas control apparatus by usin...
https://drivepatents.com/patents/944898 · 13 Apr 2016
An abnormality diagnosis apparatus includes an exhaust gas purification apparatus arranged in an exhaust passage of an internal combustion engine and including a SCR catalyst; a supply apparatus supplying an additive such as ammonia to the exhaust gas puri...