About 59 results
https://drivepatents.com/patents/994458 · 2 Jan 2013
Disclosed is an internal combustion engine control device that is capable of accurately estimating a turbine flow rate during a transient operation of an internal combustion engine with a turbocharger having a WGV. Steps 100 to 104 are performed to acquire...
https://drivepatents.com/patents/995795 · 28 Nov 2012
In the case where a constraint condition related to an internal combustion engine is satisfied when a control amount of each of the control objects 35d, 52 is controlled in accordance with the operation amount determined based on initial target values TPco...
https://drivepatents.com/patents/995658 · 28 Nov 2012
When it is determined that an intake air flow rate is equal to or higher than a predetermined value (S10); that a vehicle is being decelerated (S12); and that countermeasures against surge are necessary (S14), the opening degree of an EGR valve is calculat...
https://drivepatents.com/patents/998438 · 12 Sep 2012
An object of the present invention is to reduce the quantity of smoke generation during transitional operation under low temperature combustion in an internal combustion engine that selects, as its combustion state, either normal combustion or low temperat...
https://drivepatents.com/patents/1003457 · 11 Apr 2012
A control method of the wastegate valve (16) in an internal combustion engine (1) turbocharged by a turbocharger (12); the control method includes the steps of: determining a target boost pressure (P obj ); dividing the operating range of the wastegate val...
https://drivepatents.com/patents/1003449 · 11 Apr 2012
A control method of the wastegate valve (16) in an internal combustion engine (1) turbocharged by a turbocharger (12); the control method provides the steps of: determining a target boost pressure (P obj ); determining an actual boost pressure (P); determi...
https://drivepatents.com/patents/1007329 · 7 Dec 2011
A method for detecting the cetane number of the fuel used by a direct-injection diesel engine equipped with a turbocharger comprises the steps of operating the diesel engine with at least two different delays of the start of injection with respect to a nom...
https://drivepatents.com/patents/1007652 · 23 Nov 2011
A method of operating a variable geometry turbine (VTG) during transient operations for maximum response by determining the VTG area at the balance condition of the pressure ratio and efficiency curves for the variable geometry turbine (36) to achieve maxi...
https://drivepatents.com/patents/1011402 · 29 Jun 2011
The present invention provides for a method and apparatus for measuring and controlling the EGR rate in a combustion engine system, comprising an EGR cooler, an EGR valve and a turbine, and determining the EGR mass flow (dm EGR ) from the difference betwee...
https://drivepatents.com/patents/1013010 · 18 May 2011
In one aspect, an internal combustion engine (12) may include at least one turbocharger (18) having an exhaust gas inlet and a turbine (20). An exhaust gas channel may be connected to the exhaust gas inlet of the turbocharger (20). In the exhaust gas syste...