About 47 results
https://drivepatents.com/patents/1096093 · 14 May 2003
It is an object of the present invention to provide a compression ignition internal combustion engine capable of making compatible an increase in compression self-ignition operating area with an optimum output torque control in the operating area and also ...
https://drivepatents.com/patents/1096966 · 9 Apr 2003
The maximum value (M) of the combustion thermal profile (dQ/d alpha ) is determined, where alpha is the crank angle. The 50% mass conversion point (MFB50%) is associated with the instant of maximum value (M). This association precedes completion of combust...
https://drivepatents.com/patents/1097124 · 2 Apr 2003
The invention relates to a method of controlling the timing of ignition of a compression ignition internal combustion engine of a premixed mixture type in which a premixed gas is self-ignited through compression by a piston (2), the volume of fuel spray im...
https://drivepatents.com/patents/1097069 · 2 Apr 2003
The invention relates to a control system for a compression injection engine (50) that can prevent deterioration in exhaust purification at the time of the switching of combustion between spark ignition and compression ignition, at the time of said spark i...
https://drivepatents.com/patents/1097597 · 12 Mar 2003
Cleaning of exhaust gas and reduction of fuel costs are aimed at while realizing homogenious charge (or pre-mixing) compression ignition combustion and performing fuel injection in a suitable manner in all regions of engine operation. In a direct injection...
https://drivepatents.com/patents/1098660 · 29 Jan 2003
Curves (A,A') show the pressure and energy release against crankshaft angle for a diesel/air/recirculated exhaust fuel mixture which has about 70% exhaust gas. If a smaller proportion (60%) of recirculated exhaust gas is used and 1-8 cubic mm of fuel is in...
https://drivepatents.com/patents/1102161 · 28 Aug 2002
Pilot fuel injection and/or ignition are controlled in a pilot ignited, gas-fueled, compression ignition engine so as to maintain a relationship Dp/Di of < 1, where Dp is the duration of the pilot injection event and Di is the injection delay period as mea...
https://drivepatents.com/patents/1102159 · 28 Aug 2002
When an engine (1) operates in a low and medium load area and in a low and medium speed area, the combustion mode is established as a compression ignition combustion (S2) and when the engine (1) operates in other load and speed areas, the combustion mode i...
https://drivepatents.com/patents/1102342 · 21 Aug 2002
A multi cylinder internal combustion engine 10 is described in which each cylinder is capable of operating within a predetermined auto ignition load/speed range. Selected cylinders are disabled when the average cylinder load lies below the auto ignition lo...
https://drivepatents.com/patents/1106090 · 13 Mar 2002
In a self-igniting possible range, both intake and exhaust valves (6),(7) are placed in a closure condition for a period from the end of an exhaust stroke and the beginning of an intake stroke for establishing a negative overlap period in which a residual ...