About 107 results
https://drivepatents.com/patents/1087627 · 28 Apr 2004
An initial number of fuel injectors is operated in a first mode during an engine cycle in which one fuel shot per injector per engine cycle is realized. A second set of injectors is then operated in a second mode during the same engine cycle using a corres...
https://drivepatents.com/patents/1088085 · 14 Apr 2004
A system for operating an internal combustion engine (20) includes an intake valve (32) moveable between a first position at which fluid is blocked from flowing to or from the cylinder and a second position at which fluid is allowed to pass to or from the ...
https://drivepatents.com/patents/1088420 · 31 Mar 2004
Apparatus and methods for determining a desired charge density for an engine (12) having an inlet air pathway (22). A first characteristic indicative of an engine speed of the engine (12) is determined. A second characteristic indicative of a load on the e...
https://drivepatents.com/patents/1089822 · 4 Feb 2004
Apparatuses and methods for determining a desired charge density for an engine. A first characteristic indicative of an engine speed of the engine is determined. A second characteristic indicative of a load on the engine is determined. A value indicative o...
https://drivepatents.com/patents/1090238 · 21 Jan 2004
Reducing leakage within fuel injectors is one way in which the efficiency of the overall fuel injection system can be improved. In most fuel injectors that include a direct control needle valve, the needle valve member is still biased toward a closed posit...
https://drivepatents.com/patents/1091103 · 17 Dec 2003
End of injection rate shaping can be attained by controlling the flow rate into a check control cavity (34). Specifically, a flow control valve (30) allows the check control cavity (34) to vent at a first flow rate and to pressurize at a second slower flow...
https://drivepatents.com/patents/1091309 · 10 Dec 2003
A method of controlling an engine (20) is provided. At least one operating parameter of the engine (20) is sensed. The engine (20) is operated in a first mode in response to the sensed operating parameter being at one of a predetermined first set of condit...
https://drivepatents.com/patents/1091458 · 3 Dec 2003
A method and system may be provided to perform a process for controlling NOx emissions of an target engine. In one embodiment of the invention, the process may include determining predicted NOx values based on a model (139) reflecting a predetermined relat...
https://drivepatents.com/patents/1091778 · 19 Nov 2003
An engine valve actuation system is provided. An intake valve (32) is moveable between a first position to prevent a flow of fluid and a second position to allow a flow of fluid. A cam assembly (52) is connected to move the intake valve (32) between the fi...
https://drivepatents.com/patents/1091732 · 19 Nov 2003
A method of controlling a variable valve actuation system is provided. A cam assembly (52) is operated to move an intake valve (32) between a first position where the intake valve (32) blocks a flow of fluid and a second position where the intake valve (32...