About 147 results
https://drivepatents.com/patents/978762 · 5 Feb 2014
Exhaust gas treatment system (ATS) for internal combustion engine, the system being based on an particulate filter (F) unable to retain all the particulate matter, the treatment system comprising a catalyst (C) of the DOC type upstream of the filter (F) ac...
https://drivepatents.com/patents/982985 · 23 Oct 2013
Provided is an exhaust gas purification equipment for a diesel engine not only capable of highly-efficient elimination of PM, in particular, SOF components or sulfate components, in exhaust gas of a diesel engine using a low-grade fuel equal to or less tha...
https://drivepatents.com/patents/983603 · 9 Oct 2013
In an internal combustion engine with a variable nozzle vane turbocharger, when the flow rate (VN passage flow rate) of exhaust gas passing through nozzle vanes has reached a spatial resonance region in an exhaust gas passage space between a turbine housin...
https://drivepatents.com/patents/984210 · 4 Sep 2013
In a fuel injection system of an internal combustion engine in which a first fuel, which has a property to inhibit the adsorption of exhaust gas components by an exhaust gas purification catalyst, and the second fuel, which has a property not to inhibit th...
https://drivepatents.com/patents/992258 · 27 Mar 2013
Provided is an exhaust gas purification system that can prevent adhesion of urea water in a dosing valve during DPF regeneration. An exhaust gas purification system 100 includes a DCU 126 that controls a supply module 106 to inject or return urea water ins...
https://drivepatents.com/patents/994769 · 26 Dec 2012
The present invention provides an exhaust purification device for an internal combustion engine including exhaust purification members in an exhaust passage downstream of the turbine of a turbocharger. This exhaust purification device for the internal comb...
https://drivepatents.com/patents/995427 · 5 Dec 2012
In an exhaust gas treatment device in which a diesel oxidation catalyst and a DPF are provided in an exhaust pipe of an internal combustion engine, abnormal combustion in the DPF, occurring when the internal combustion engine varies from a high load condit...
https://drivepatents.com/patents/997143 · 17 Oct 2012
The present invention discloses an exhaust gas purification system for an internal combustion engine, which is provided with: a selective reduction type catalyst arranged in an exhaust passage of the internal combustion engine; a low pressure EGR mechanism...
https://drivepatents.com/patents/997925 · 26 Sep 2012
In an internal combustion engine, inside of an engine exhaust passage, a hydrocarbon feed valve (17), exhaust purification catalyst (13), and intermediate NO x adsorption catalyst (15) are arranged. The intermediate NO x adsorption catalyst (15) adsorbs ni...
https://drivepatents.com/patents/997926 · 26 Sep 2012
In an internal combustion engine, inside of an engine exhaust passage, a hydrocarbon feed valve (15), an exhaust purification catalyst (13), and a particulate filter (14) are arranged. At the time of engine operation, the amplitude of change of the concent...