A method for reducing emissions from a hydrogen combustion engine includes: a first step in which a controller obtains an HO concentration at a front end of an SCR catalyst, an SCR temperature, and a NO/NOx ratio derived from a DOC; a second step in which ...

A doser (10) adapted for spraying a fluid, the doser comprising a doser body (12) which encloses an electro-actuator (24). The doser body (12) is provided with an aperture (20) in which an electrical connector (22) is inserted, . The electrical connector (...

A fluid injector (10) includes a valve assembly constructed and arranged to control flow of fluid from an inlet (28) to an outlet (30) of the injector. A metal housing (44) surrounds at least a portion of the valve assembly. A plastic body (20) is molded o...

A fuel supply apparatus applied to an internal combustion engine (1) which can be operated by gasoline and CNG, wherein the fuel supply apparatus comprises a fuel supply system (18) which supplies separately the gasoline and the CNG to the internal combust...

A liquid reductant dosing module for a combustion exhaust treatment system (5) is disclosed comprising: (a) an enclosed reservoir (33) comprising a top, a bottom, one or more sides, an inlet (25), and an outlet (27, 31); (b) a heater (32) disposed in the r...

A liquid reductant dosing module for a combustion exhaust system (5) is disclosed comprising an enclosed reservoir comprising a top, a bottom, one or more sides, an inlet (25), and an outlet (27). A resistive wire rod heater is disposed in that reservoir, ...

The device has a hydrocarbon reformer (30) placed onboard of a motor vehicle and connected to an exhaust duct (12) in upstream of an oxidation catalyst (16) so as to supply hydrogen to the catalyst. The reformer has a stage for producing raw gas containing...