About 28 results
https://drivepatents.com/patents/942073 · 8 Jun 2016
An object is to provide a control device for an internal combustion engine, at an inexpensive price, whereby it is possible to suppress a decrease in the exhaust gas performance of the internal combustion engine due to an environmental change or damage fro...
https://drivepatents.com/patents/943528 · 11 May 2016
A control apparatus for an internal combustion engine according to the invention is applied to an internal combustion engine in which EGR gas and condensed water generated by an EGR cooler are supplied into a cylinder. The control apparatus calculates an e...
https://drivepatents.com/patents/956059 · 4 Nov 2015
It is an object of the present invention to provide an engine 1 that improves startability and stabilizes operating states irrespective of operating environments and use modes. That is, regarding the engine 1 configured to include a control means that calc...
https://drivepatents.com/patents/948357 · 7 Oct 2015
There is provided an engine having a fuel injection device with an extended useful life. The engine includes a controller and the fuel injection device, the fuel injection device carrying out fuel injections 3, 4 by a control by the controller, wherein the...
https://drivepatents.com/patents/950480 · 10 Jun 2015
In a non-EGR region that is a light load operating region, an EGR control valve (21) is opened at a predetermined infinitesimal opening degree M that corresponds to such infinitesimal EGR ratio as not to affect an ignition timing. With this control, since ...
https://drivepatents.com/patents/974159 · 4 Jun 2014
An internal combustion engine control device includes: detection means (216, 110) for detecting crank angle speed of the internal combustion engine (200); calculation means (120) for calculating a combustion state index value (MI) for indicating a combusti...
https://drivepatents.com/patents/980818 · 18 Dec 2013
An exhaust gas recirculation device (32) according to the present invention includes: an EGR passage (35a) that communicates at one end thereof with an intake passage (22a) whereas at the other end thereof with an exhaust passage (31a), so as to introduce ...
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/988567 · 24 Jul 2013
The present invention provides for a system for controlling EGR means in a combustion engine, using NOx sensing means (7') in an open-loop EGR control set-up without any EGR measurement device and NOx estimating means (6'). The systems carries out the foll...
https://drivepatents.com/patents/985042 · 17 Apr 2013
The method involves measuring a pressure difference on level of an exhaust gas recirculation (EGR) valve (6). A burnt gas fraction set point in an intake manifold (3) is selected. An opening set point for the valve is calculated from pressure drop relation...