About 19 results
https://drivepatents.com/patents/955033 · 23 Dec 2015
A valve control device for controlling a drive device that drives a valve includes: an operation amount calculation unit that calculates an operation amount of the drive device at predetermined sampling intervals based on a control deviation between a targ...
https://drivepatents.com/patents/983200 · 16 Oct 2013
The method involves calculating a simple model of richness (Phi-Calc) using flow value of fuel injected (qinj) in a cylinder, measuring intake air flow (Qair) and storing quantized wealth drifts operating points. Correction is applied to a simple model of ...
https://drivepatents.com/patents/992675 · 27 Feb 2013
Disclosed is a control device that is used for an internal combustion engine and capable of determining an actuator operation amount with enhanced accuracy by making the most of its computation capability. The control device includes a computation element ...
https://drivepatents.com/patents/1007383 · 7 Dec 2011
A high pressure fuel pump control system for an internal combustion engine includes a fuel injection valve provided in a fuel common rail and a high pressure fuel pump for feeding fuel by pressure to the fuel injection valve. The high pressure fuel pump in...
https://drivepatents.com/patents/1008670 · 12 Oct 2011
A system (10) and method (400) for controlling an injection time (26) of a fuel injector (20). The system (10) includes a drive circuit (12) configured to output a drive signal (22) having a pulse width (24), wherein the injection time (26) is influenced b...
https://drivepatents.com/patents/1014917 · 16 Mar 2011
A method and apparatus for controlling a fuel pump assembly comprising a plurality of pump elements (10) for delivering fuel at high pressure to a rail volume, each of the pump elements (10) comprising a plunger (12) which is driven by an associated cam to...
https://drivepatents.com/patents/1068133 · 19 Apr 2006
In feedback control of a discharge amount of a high pressure fuel pump in which an actual fuel pressure is caused to become a target fuel pressure, when a deviation between the target fuel pressure and the actual fuel pressure has transiently changed, upda...
https://drivepatents.com/patents/1069685 · 1 Mar 2006
An air-fuel ratio control apparatus for controlling an air-fuel ratio of a supplied air-fuel mixture of an internal combustion engine to a target air-fuel ratio by a feedback control in accordance with an output signal of an oxygen concentration sensor pro...
https://drivepatents.com/patents/1070758 · 18 Jan 2006
A fuel injection system includes an injector (3) and a control device (5). The injector (3) includes a control chamber (33) that drive-controls a needle (35) with a pressure (Pc) therein. The control device (5) determines a required injection amount (Q) in...
https://drivepatents.com/patents/1074515 · 31 Aug 2005
A control apparatus for an internal combustion engine handles a plurality of engine control parameters which influence the emission generation quantity, while dividing them into a plurality of classes in terms of response speed. An empirical formula which ...