About 17 results
https://drivepatents.com/patents/1377769 · 1 Jan 2026
An engine includes pistons, a crankshaft, cylinders, an intake manifold, an exhaust manifold, intake valves, exhaust valves, a fuel rail, and an Electronic Control Unit (ECU). The ECU coordinates operations of the intake valves, the exhaust valves, and the...
https://drivepatents.com/patents/1400595 · 23 Oct 2024
Ce procédé de diagnostic de la plausibilité de dérive d'un capteur débitmètre d'air adapté pour la mesure directe du débit d'air frais entrant dans un moteur thermique associé à un circuit d'admission d'air et à un circuit d'échappement des gaz...
https://drivepatents.com/patents/980817 · 18 Dec 2013
Provided is a control apparatus of the internal combustion engine capable of removing deposited foreign matters accumulated on an EGR valve without deteriorating a combustion state of the internal combustion engine. When an ECU judges that the vehicle is u...
https://drivepatents.com/patents/986444 · 25 Sep 2013
An engine system 1 includes an engine ECU 10, a shutoff valve 163 that can shut off an EGR passage 16, and a temperature sensor 42 that detects temperature of an exhaust purification device 30. When the temperature of the exhaust purification device 30 is ...
https://drivepatents.com/patents/987339 · 21 Aug 2013
In a predetermined EGR region, an exhaust gas recirculation control device performs control to recirculate a portion of exhaust gas of an internal combustion engine (1) to a suction passage (11) through an EGR passage (31) in which an EGR valve (32) is pro...
https://drivepatents.com/patents/997020 · 24 Oct 2012
The diagnostic method for a Diesel engine for determining whether this engine, or at least one device connected thereto, is affected by one or several malfunctions negatively influencing the degree of pollution of the exhaust gases produced by this engine,...
https://drivepatents.com/patents/1001465 · 13 Jun 2012
An object of the present invention is to suppress the dispersion of EGR gas amount between cylinders when the stuck open state arises in an EGR valve in an EGR apparatus for an internal combustion engine in which an EGR passage is branched on an intake sys...
https://drivepatents.com/patents/1010306 · 10 Aug 2011
A method of controlling a diesel engine (16) connected to a load, the method including the steps of detecting an increased torque requirement and matching a fuel flow with an airflow. The detecting an increased torque requirement step detects an increased ...
https://drivepatents.com/patents/1076876 · 15 Jun 2005
Method for diagnosis of the faults in units of an internal combustion engine (1) air supply system, comprising a flow meter (11), which provides a measured flow rate signal (QAM) which is correlated to a flow rate of fresh air admitted by the engine, and a...
https://drivepatents.com/patents/1086322 · 16 Jun 2004
The exhaust gas feedback regulation method uses a regulating valve (2) for controlling a feedback line (40) used for extracting exhaust gas from the exhaust line (30) and supplying it to the air intake (20) for the IC engine (50). A diagnosis routine is ex...