About 73 results
https://drivepatents.com/patents/1071088 · 4 Jan 2006
The method involves regenerating the exhaust after-treatment device (6) by increasing the temperature in the exhaust pipe (5) by opening at least one outlet valve (16) in the region of the upper compression dead centre of the piston (11) whereby the outlet...
https://drivepatents.com/patents/1071787 · 14 Dec 2005
The adjuster has a control member for adjusting the angle of rotation situation, into an automatic controller (6, 7) for switched automatic control loop. The automatic controller has a data memory (29) having an automatic controller coefficient recording a...
https://drivepatents.com/patents/1073216 · 19 Oct 2005
After commanding an engine to stop, an electronic controller controls a variable working-angle control mechanism to increase the working angle of an intake valve in preparation for restarting of the engine. In the case of an automatic stop, which is follow...
https://drivepatents.com/patents/1077776 · 18 May 2005
A controller for a lock mechanism (90) of an engine valve that readily performs unlocking. A VVT (50) changes the rotational phase of a camshaft (23, 23L, 23R) relative to a pulley (27) in accordance with the difference between the hydraulic pressure of an...
https://drivepatents.com/patents/1079389 · 16 Mar 2005
The internal combustion engine control system may delay the closing of the inlet valve when the engine is under full load, changing engine operation from an Otto cycle to an Atkinson cycle. When the engine is under part load, the exhaust and inlet valves a...
https://drivepatents.com/patents/1081726 · 8 Dec 2004
A combustion control device and a method for a direct injection engine are disclosed wherein, when the engine (1) is operating in the partial load range, the valve opening/closing mode of an intake valve (3) and/or an exhaust valve (4) is controlled so tha...
https://drivepatents.com/patents/1086108 · 23 Jun 2004
The invention relates to a method for controlling an intake phase of an internal combustion engine comprising at least one piston arranged for reciprocal motion between a top dead center (TDC) and a bottom dead center (BDC) in a cylinder of the engine, sai...
https://drivepatents.com/patents/1088657 · 24 Mar 2004
Method for correcting measurement error of a sensor, where said error comprises a known systematic error, an unknown systematic error and a random error. According to the method, the known and unknown systematic errors are determined independently from eac...
https://drivepatents.com/patents/1089653 · 18 Feb 2004
A device for purifying exhaust gas of a diesel engine equipped with a continuous regeneration type diesel particulate filter arranged in the exhaust gas passage of the engine, which comprises an intake air shutter arranged in the intake air passage of the ...
https://drivepatents.com/patents/1090771 · 2 Jan 2004
A method for compensating for variable cam timing of an internal combustion engine is provided. The method includes: a) providing a periodical crank pulse signal (62); b) providing a periodical cam pulse signal (66); c) determining a segment, wherein the i...