About 21 results
https://drivepatents.com/patents/1006528 · 4 Jan 2012
The present invention relates to an exhaust gas purifying apparatus for an internal combustion engine. An object of the invention is to reduce the amount of particulate matter that flows out from a catalytic converter that continuously burns particulate ma...
https://drivepatents.com/patents/1015792 · 16 Feb 2011
In an exhaust gas purifier provided in an engine, a filter regeneration control recovering a PM collecting capacity of filter means on the basis of a chemical reaction can be efficiently executed by a simple structure. An exhaust gas purifier in accordance...
https://drivepatents.com/patents/1075514 · 3 Aug 2005
Apparatus (A) for reducing harmful components in the exhaust gas from an engine (particularly a diesel engine), includes a nitrogen oxides (NOX) storage catalyst (12). Apparatus (A) for reducing harmful components in the exhaust gas from an engine (particu...
https://drivepatents.com/patents/1080977 · 5 Jan 2005
An exhaust purification device exhaust purification device in an internal combustion engine having an exhaust purification catalyst arranged in an engine exhaust passage and having soluble organic fractions of particulate contained in exhaust gas adsorbed ...
https://drivepatents.com/patents/1083905 · 22 Sep 2004
A diesel particulate filer unit 1 comprising a filter 4 for capturing particulates in the exhaust gas G of an engine E, and a regeneration control means 50 judging the start of the regeneration operation of said filter 4, according to the comparison betwee...
https://drivepatents.com/patents/1088635 · 24 Mar 2004
To provide an exhaust gas purifying method for purifying the exhaust gas of an internal combustion engine (1) by an exhaust gas purifying system (10) having an oxidation catalyst (3a), which comprises the steps of estimating the quantity of unburnt hydroca...
https://drivepatents.com/patents/1096377 · 2 May 2003
A natural gas engine capable of exhaust emission control over the entire temperature range and at low costs without requiring a complicated structure. An adsorbent (7) is disposed between a fuel tank (4) and a fuel supply port (5) on a suction air passage ...
https://drivepatents.com/patents/1100853 · 23 Oct 2002
Carbon monoxide, hydrocarbons and soot particles in the lean exhaust gas are reduced by using a particle filter. The particle filter has a catalytic coating containing a first group of components for reducing the ignition temperature soot and platinum grou...
https://drivepatents.com/patents/1102229 · 28 Aug 2002
A diesel particulate filer unit 1 comprising a filter 4 for capturing particulates in the exhaust gas G of an engine E, and a regeneration control means 50 judging the start of the regeneration operation of said filter 4, according to the comparison betwee...
https://drivepatents.com/patents/1112677 · 30 May 2001
Process for oxidizing nitrogen oxides, carbon monoxide, hydrocarbons and carbon particles in I.C. engine exhaust gas comprises providing the surfaces in contact with the exhaust gas in the region between an outlet valve and the exit of an exhaust gas turbi...