About 54 results
https://drivepatents.com/patents/1005899 · 25 Jan 2012
Method for controlling the air supply in a cylinder of a four-stroke internal combustion engine (1) with controlled ignition; the control method comprises the steps of: determining, in a phase prior to the suction phase, a first estimate of the mass (M AIR...
INTER-CYLINDER AIR/FUEL-RATIO IMBALANCE DECIDING DEVICE FOR MULTICYLINDER INTERNAL COMBUSTION ENGINE
https://drivepatents.com/patents/1007401 · 7 Dec 2011
When, for example, a predetermined operating condition such as a fuel cut operating condition is satisfied (time-point tfc), an air-fuel ratio imbalance among cylinder determining apparatus sequentially stops a fuel injection for each of cylinders in accor...
https://drivepatents.com/patents/1007572 · 30 Nov 2011
A control device for an internal combustion engine, provided with: an EGR mechanism (2) for recirculating exhaust gas to the air intake system of the engine (1); an intake air flow-rate control means (25) for controlling the flow rate of the intake air to ...
https://drivepatents.com/patents/1008676 · 12 Oct 2011
An intake temperature control device is provided for an internal combustion engine (10). An actuator (34) regulates a flow rate (Qf) of cooling fluid to adjust an amount of heat taken per unit time away from supercharged intake air in an inter cooler (18)....
https://drivepatents.com/patents/1008666 · 12 Oct 2011
A fuel injection control system and a program for achieving a fuel injection are provided for enhancing both fuel economy and drivability. A fuel injection controller (52) of a fuel injection control system (10) judges opening and closing states of an inta...
https://drivepatents.com/patents/1010464 · 3 Aug 2011
A cylinder intake air amount calculating apparatus for an internal combustion engine is provided. The cylinder intake air amount calculating apparatus calculates a cylinder intake air amount which is an amount of fresh air sucked in a cylinder of the engin...
https://drivepatents.com/patents/1011020 · 20 Jul 2011
A stop control system for an internal combustion engine, which controls a stop position of a piston of the engine, is provided. An valve opening amount of an intake air flow rate control valve is determined based on the detected engine rotational speed and...
https://drivepatents.com/patents/1014020 · 13 Apr 2011
To provide a control device for an internal-combustion engine designed to ensure that required responsiveness is obtained as actual torque responsiveness with respect to a torque demand even when the torque responsiveness with respect to the actuation of a...
https://drivepatents.com/patents/1068310 · 12 Apr 2006
An internal combustion engine control apparatus basically comprises a reference intake air quantity calculating section (200), a maximum intake air quantity calculating section (300) and an engine control section (30). The reference intake air quantity cal...
https://drivepatents.com/patents/1068944 · 22 Mar 2006
The amount of fluctuation of the difference between a first cylinder bank intake air amount and a second cylinder bank intake air amount per unit time is monitored, and the absolute value of the fluctuation amount ( intake air amount difference) is stored....