About 26 results
https://drivepatents.com/patents/967937 · 29 Oct 2014
Methods are provided for estimating the NO x content of exhaust gas produced by an internal combustion engine (10). The method includes determining one or more operating parameters. The method further includes applying the determined operating parameter(s)...
https://drivepatents.com/patents/976789 · 2 Apr 2014
The present technology provides one or more methods of operating an engine in a motor vehicle. In at least one embodiment, the existence of an engine idle condition is determined. The method may also include determining whether an operator is present in th...
https://drivepatents.com/patents/984433 · 28 Aug 2013
In one embodiment, an assembly for use with a lean NOx catalyst (LNC) is described. An outer tube is coupled to the LNC. An inner tube is disposed completely inside the outer tube. The exhaust flow is split between the inner tube and the outer tube. The in...
https://drivepatents.com/patents/987726 · 7 Aug 2013
A method of controlling operation of an engine is provided that utilizes a number of preset operating parameters. The method determines an operating mode of the engine. The method determines an operating state of the engine. A plurality of engine parameter...
https://drivepatents.com/patents/987727 · 7 Aug 2013
A method of controlling an engine based upon airflow is provided. A request for a desired torque output of the engine is received. A first amount of fuel required to generate the desired torque is retrieving from a memory. An amount of airflow required to ...
https://drivepatents.com/patents/987724 · 7 Aug 2013
A method of controlling a variable geometry turbocharger is provided. A predefined desired boost pressure of a turbocharger is obtained from a memory. A predefined desired mass flow rate in an intake manifold of an engine is obtained from the memory. A the...
https://drivepatents.com/patents/987725 · 7 Aug 2013
A method of controlling exhaust gas recirculation in an engine is provided. An amount of oxygen in an exhaust of an engine is measured. A desired intake manifold oxygen concentration is obtained. An exhaust gas recirculation rate to provide the desired int...
https://drivepatents.com/patents/987711 · 7 Aug 2013
A method controlling operation of an engine utilizing a number of preset operating parameters is provided. An operating mode of the engine is determined. An operating state of the engine is determined. A first plurality of engine parameter settings are ret...
https://drivepatents.com/patents/990705 · 15 May 2013
A method for controlling an internal combustion engine (10) limits emission of undesirable compounds of nitrogen and oxygen and provides increased transient power, the method comprising: operating the engine at a first power output by providing a first air...
https://drivepatents.com/patents/999995 · 25 Jul 2012
A unit fuel injector (10) has a control valve (40) in which a valve spool (92) is displaceable within a bore (91) of a valve body (90) between a limit of displacement that fully opens an oil outlet port (42) to an oil inlet port (44) while closing an oil d...