About 147 results
https://drivepatents.com/patents/1093224 · 17 Sep 2003
An exhaust-emission purifying apparatus for an internal combustion engine (1), including an NOx purifying catalyst (7) disposed in an exhaust passage (2) of the engine (1) and operable to occlude NOx in an exhaust emission of the engine (1) operated in a l...
https://drivepatents.com/patents/1093950 · 20 Aug 2003
In an internal combustion engine (ICE) (10), an airflow sensor (14) signals to an electronic controller (18) to calculate a fuel proportion signal and trigger a fuel apportioning device (16) in an ICE intake pipe (12). Oxygen introduced/emitted in a preset...
https://drivepatents.com/patents/1093904 · 20 Aug 2003
A system controls the air-fuel ratio in an exhaust gas supplied from an internal combustion engine to a catalytic converter in order to keep an output voltage Vout of an Osensor disposed downstream of the catalytic converter at a predetermined target value...
https://drivepatents.com/patents/1096346 · 2 May 2003
A method and system are described for controlling decontamination of an emission control device (72) fitted to an engine having two groups of cylinders (200a,200b). The temperature of the emission control device (72) is maintained at a desired temperature ...
https://drivepatents.com/patents/1098271 · 19 Feb 2003
The control of the mixture composition for an internal combustion motor fitted with an NOx catalyst which stores the separated NOx, during the regeneration phase, the lambda value of the exhaust fed to the catalyst is corrected towards a value of 1 during ...
https://drivepatents.com/patents/1100087 · 27 Nov 2002
The invention relates to a device for purifying exhaust gas of a diesel engine comprising a first continuous regeneration type diesel particulate filter (122) arranged in the exhaust gas passage of an engine, a by-path (101) by-passing the exhaust gas pass...
https://drivepatents.com/patents/1101104 · 9 Oct 2002
A common-rail injection system includes a first accumulator of high pressure and a second accumulator of low pressure. The common-rail injection system includes a post injection control device for injecting additional low-pressure fuel from the second accu...
https://drivepatents.com/patents/1101474 · 25 Sep 2002
In a direct gasoline injection type spark igniting internal combustion engine provided with a turbocharger (13) and a catalyst (15), in order to optimize an exhaust gas control, the structure is made such that an optimum exhaust gas control can be obtained...
https://drivepatents.com/patents/1101455 · 25 Sep 2002
The invention relates to a direction-injection engine (1) incorporating a turbocharger (31, 32), fuel combustion is improved to enhance fuel economy within the high-load range of engine torque, and furthermore to control occurrence of smoke in the range of...
https://drivepatents.com/patents/1106578 · 20 Feb 2002
The multi-cylinder internal combustion engine has a mixture forming unit for heat controlled alternating production of rich exhaust gases in a first cylinder bank (2) and lean exhaust gases in a second cylinder bank (3). Each cylinder group is equipped wit...