About 17 results
https://drivepatents.com/patents/939010 · 17 Aug 2016
The present invention relates to an exhaust purification system and detects an internal NH 3 adsorption amount with high precision. An exhaust purification system includes an SCR catalyst (32) disposed at an exhaust system of an engine (10) for using ammon...
https://drivepatents.com/patents/939671 · 3 Aug 2016
A control device for an internal combustion engine, said control device implementing a lean control, whereby the air-fuel ratio of the exhaust gas flowing into an exhaust purification catalyst is set to a lean air-fuel ratio setting, and a rich control, wh...
https://drivepatents.com/patents/944835 · 13 Apr 2016
The invention relates to an exhaust gas purification device that effectively detects an amount of ash collected and accumulated in a DPF. The exhaust gas purification device includes the DPF (16) for collecting PM contained in an exhaust gas, forced regene...
https://drivepatents.com/patents/967061 · 26 Nov 2014
An object is to reduce man-hours for evaluations of design, test, and the like for securing an exhaust gas purifier 2 to an engine 1, while also making the exhaust gas purifier 2 more compact. The exhaust gas purifier 2 includes a plurality of filter bodie...
https://drivepatents.com/patents/970641 · 3 Sep 2014
An SCR system (8) is arranged in an exhaust path (4) of an internal combustion engine (2) to which the invention is applied, and a particulate filter (14) is arranged downstream thereof. A control apparatus (16) includes temperature controlling means for c...
https://drivepatents.com/patents/974861 · 14 May 2014
The method involves allowing exhaust gas flow to act on a nitrogen dioxide sensor (7) in a measurement space (6) surrounding the sensor during measurement phases. The sensor is kept free from the exhaust gas flow between the measurement phases by exposing ...
https://drivepatents.com/patents/977690 · 5 Mar 2014
Disclosed herein is an exhaust system including a turbocharger (100) operated by exhaust gas, a catalytic converter (130) disposed at a downstream side of the turbo charger, and a connection pipe (140) including an inlet portion (400) and an outlet portion...
https://drivepatents.com/patents/994741 · 26 Dec 2012
An exhaust device includes: an exhaust manifold, an upstream-side cone of a catalyst, an exhaust gas sensor, an outer shell, and a sensor chamber. Between the upstream-side cone and the outer shell, an inflow channel is formed. The inflow channel has an op...
https://drivepatents.com/patents/1001181 · 20 Jun 2012
An exhaust system (12) for a combustion engine (14) comprising an exhaust passage (16) having a first conduit port (23) and a first sensing portion (20a) configured to determine a parameter related to a pressure of exhaust gas in the exhaust passage, the f...
https://drivepatents.com/patents/1002317 · 16 May 2012
An exhaust gas collecting groove 64 extending in a direction of a flow of an exhaust gas is provided to an inner wall of an exhaust port 40 between an outlet port 43 and an exhaust pipe attachment portion 74 in a cylinder head 31 of an internal combustion ...