About 15 results
https://drivepatents.com/patents/939539 · 3 Aug 2016
A control device for an internal combustion engine (1) is provided. The internal combustion engine (1) includes an adding valve (17) injecting an additive into an exhaust passage of the internal combustion engine (1). The control device includes an electro...
https://drivepatents.com/patents/939924 · 27 Jul 2016
The invention relates to a method for controlling a powertrain system comprising an engine (2) and its pollution control system (4) for a compound from exhaust gases in which, during operation according to a predetermined mode: - a target content (S target...
https://drivepatents.com/patents/940536 · 13 Jul 2016
A method for controlling a pollution control system (21) piloted by a computer (16) of a powertrain unit (2) of a motor vehicle, this powertrain unit (2) comprising: - an engine (3) having a cylinder (4); - an exhaust line (20); the system (21) comprising:...
https://drivepatents.com/patents/957422 · 23 Sep 2015
The invention has an object to calculate a NOx amount in exhaust gas accurately and stably with an influence of a fuel injection timing also taken into consideration. An engine 10 includes a fuel injection valve 14, a NOx reduction catalyst 30, an ECU 60 a...
https://drivepatents.com/patents/949327 · 26 Aug 2015
The invention relates to a method for correcting a model (M) for estimating a quantity of NOx upstream of a catalytic reduction system (51) for a heat engine (2) adapted to inject a NOx reducer, characterized in that it comprises the following steps: - app...
https://drivepatents.com/patents/972919 · 2 Jul 2014
System for exhaust gas recirculation in a supercharged engine equipped with an ATS device, the engine (E) comprising an intake manifold (4), exhaust manifolds (5, 5'); wherein at least one of the exhaust manifolds is connected to the intake manifold (4) to...
https://drivepatents.com/patents/980407 · 25 Dec 2013
An engine (1) is provided with a urea aqueous solution supply mechanism (200) that adds a urea aqueous solution into an exhaust passage (26), an SCR catalyst (41) that adsorbs the urea aqueous solution added from the urea aqueous supply mechanism (200), an...
https://drivepatents.com/patents/981739 · 20 Nov 2013
An exhaust emission control apparatus is equipped with an SCR catalyst 12 that is provided in an exhaust passage 11 of an internal combustion engine 10, and an addition valve 30 that adds a reducing agent to the SCR catalyst 12. The exhaust emission contro...
https://drivepatents.com/patents/985481 · 20 Mar 2013
A system for reducing environmentally harmful emissions from an internal combustion engine. The system incorporates an exhaust after-treatment device, which uses selective catalytic reduction to remove NOx from the exhaust of the engine. The engine is mana...
https://drivepatents.com/patents/1000020 · 25 Jul 2012
An exhaust purification system for an internal combustion engine (1) is provided that can maintain the NOx purification rate of a selective reduction catalyst (23) at near the maximum thereof. The exhaust purification system is provided with an oxidation c...