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https://drivepatents.com/patents/1010080 · 17 Aug 2011
A supercharged engine has a geometric compression ratio to 16 or more and is designed to perform a compression self-ignition combustion under an air-fuel ratio leaner than a stoichiometric air-fuel ratio at least in a low engine speed range. On a lower eng...
https://drivepatents.com/patents/1073631 · 5 Oct 2005
A method for controlling combustion timing in an homogenous-charge compression-ignition engine, comprising: providing a fuel conduit extending between a source of fuel and at least one fuel introduction port in fluid communication with a combustion chamber...
https://drivepatents.com/patents/1074865 · 24 Aug 2005
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...
https://drivepatents.com/patents/1075513 · 3 Aug 2005
A method and apparatus for introducing gaseous fuel into a piston cylinder of an operating internal combustion engine in two separate stages involves monitoring a set of engine parameters, determining engine load and engine speed from the set of engine par...
https://drivepatents.com/patents/1078194 · 4 May 2005
The present invention relates to a method for controlling homogenous charge compression ignition combustion in a diesel engine having at least one combustion chamber in which homogenous charge compression ignition combustion occurs in separate first and se...
https://drivepatents.com/patents/1078946 · 30 Mar 2005
In an internal combustion engine of a premixed charge compression self-ignition type in which fuel and intake gas are premixed with each other, and the mixture is compressed and self-ignites, target ignition timing determination means (42) to determine a t...
https://drivepatents.com/patents/1080786 · 12 Jan 2005
The invention relates to a method for operating an internal combustion engine operable in compression ignition mode, said engine comprising a fuel supply means, a piston (5) in each cylinder (1) causing ignition during compression ignition mode, at least o...
https://drivepatents.com/patents/1081144 · 29 Dec 2004
The method involves a low engine load mode (A) with homogeneous combustion of the injected fuel through at least one fuel injection during the compression phase between 180 and 0 degrees before top dead center and exhaust gas feedback at a rate between 40 ...
https://drivepatents.com/patents/1081733 · 8 Dec 2004
A method and system for extending the load range of Homogeneous Charge Compression Ignition (HCCI) in an internal combustion engine includes detecting a current state of the engine, detecting a load demand placed on the engine, determining if the load dema...
https://drivepatents.com/patents/1085311 · 28 Jul 2004
The internal combustion engine has at least one cylinder in which a fuel-air mixture can be compressed by a piston. The temperature of the mixture in the combustion chamber can be brought to at least above 80 percent and at the most 98 per cent of the self...