About 19 results
SYSTEMS AND METHODS FOR EXHAUST GAS COMPOSITION MANAGEMENT DURING STOCHASTIC PRE-IGNITION MITIGATION
https://drivepatents.com/patents/1379005 · 5 Mar 2026
Combustion event data is received from at least one combustion event sensor associated with a plurality of cylinders. Each cylinder includes a combustion chamber, an intake valve, and an exhaust valve. Opening the intake valve allows a flow of air from an ...
https://drivepatents.com/patents/1395418 · 23 Jul 2025
A control apparatus for an engine including intake and exhaust valve phase variable devices and a control device is provided. At an engine temperature below a first determination temperature, the control is performed so that an exhaust valve close timing i...
https://drivepatents.com/patents/971142 · 20 Aug 2014
A control device for an internal combustion engine includes first and second intake ports (16a, 16b) independent of each other, and first and second fuel injection valves (30a, 30b) provided for the first and second intake ports (16a, 16b), respectively, i...
https://drivepatents.com/patents/977318 · 19 Mar 2014
An engine system 1 includes an engine 100 including: an electric VVT mechanism and an hydraulic VVT mechanism changing phases of opening and closing of an intake valve 22 and an exhaust valve 23 into target phases; an EGR valve 162 adjusting an exhaust gas...
https://drivepatents.com/patents/986982 · 11 Sep 2013
An ECU 1 is provided for an engine 50 provided with an exhaust VVT 57 which is capable of varying opening and closing timings of an exhaust valve 55A of plural exhaust valves 55 provided for a combustion chamber 58 with respect to opening and closing timin...
https://drivepatents.com/patents/990445 · 22 May 2013
The method involves acquiring a torque setpoint for an engine. Position setpoints for respective actuators are determined using a burnt gas flow model (MEGB), which relates the position setpoints of the actuators to the engine torque setpoint and includes ...
https://drivepatents.com/patents/995114 · 12 Dec 2012
The engine has working cylinder in which a piston is moved cyclically between top dead center and bottom dead center. The working cylinder comprises two intake valves and two exhaust valves that are associated with two camshafts (16,18). The camshaft (18) ...
https://drivepatents.com/patents/997536 · 3 Oct 2012
Methods and systems for engine control optimization are provided. A first and a second operating condition of a vehicle engine are detected. An initial value is identified for a first and a second engine control parameter corresponding to a combination of ...
https://drivepatents.com/patents/999499 · 8 Aug 2012
A device and method to reduce a power dissipation of an electronic control unit ECU (100) is disclosed. The ECU (100) controls an intake valve (301) or an exhaust valve (302) of an internal combustion engine (300) by an electro hydraulic system (202,203). ...
https://drivepatents.com/patents/1011081 · 13 Jul 2011
A control device which can reduce an exhaust amount of unburned HC at a time of start of an internal combustion engine using a fuel containing alcohol is provided. The control device controls closing timing of an exhaust valve and opening timing of an inta...