About 43 results
https://drivepatents.com/patents/971425 · 13 Aug 2014
In an internal combustion engine that performs calculation processing by using a multicore processor having a plurality of cores, efficient distribution of cores for use corresponding to a calculation load of the internal combustion engine is performed. A ...
https://drivepatents.com/patents/971418 · 13 Aug 2014
[Abstract] The invention relates to a control apparatus for an internal combustion engine (10) including a control target (60V, 52) that controls controlled variable (Pim, Regr). The control apparatus according to the invention is capable of selectively pe...
https://drivepatents.com/patents/982402 · 6 Nov 2013
The present disclosure refers to a method and apparatus for recirculating an exhaust gas flow of a large internal combustion engine (10) having an air inlet (15) and an exhaust gas outlet (20). The method may comprise the steps of diverting a first partial...
https://drivepatents.com/patents/983946 · 2 Oct 2013
The engine system 1 includes: an engine ECU 10; an EGR path 16 communicating an exhaust manifold 13 with an intake manifold 11; an isolation valve 163 is capable of closing an exhaust gas inlet portion of the EGR path 16; and a diesel throttle 19, wherein ...
https://drivepatents.com/patents/984215 · 4 Sep 2013
An internal combustion engine executes EGR and controls the air-fuel ratio based on a detected oxygen concentration in the exhaust. An electronic control unit (20) controls the engine such that the detected value for the air-fuel ratio upstream from a fron...
https://drivepatents.com/patents/993413 · 30 Jan 2013
The present invention makes it possible to accurately determine an EGR rate from an in-cylinder pressure. An EGR rate determination method for an internal combustion engine according to the present invention, a combustion period is calculated by using in-c...
https://drivepatents.com/patents/994027 · 9 Jan 2013
Embodiments of the present invention may include a system for evaluating a possible abnormality in an engine (2). The system includes an engine (2), an EGR passage (4, 5) and an ECU (6). The rotational speed of the engine (2) is preferably calculated based...
https://drivepatents.com/patents/995154 · 12 Dec 2012
An exhaust gas recirculation device for an internal combustion engine (1) is provided. The device has an intake air charging unit comprising an intake air passage (2) that intakes intake air, an exhaust passage (3), an exhaust gas recirculation passage (20...
https://drivepatents.com/patents/998948 · 29 Aug 2012
The working gas circulation engine includes a combustion chamber (11) to which plural kinds of reactant gas and working gas having a higher specific heat ratio than air are supplied and in which the working gas is expandable corresponding to reaction of th...
https://drivepatents.com/patents/1002550 · 9 May 2012
Providing an exhaust gas recirculation control device of an internal combustion engine by which overshoots or undershoots of an EGR control valve can be prevented, and the tracking performance as to target openings as well as the reliability of the device ...