Internal combustion engine with direct gasoline injection and controlled ignition
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United States of America Patent
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Jun 17, 2008
Grant Date -
Jan 4, 2007
app pub date -
Mar 19, 2004
filing date -
Apr 4, 2003
priority date (Note) -
Expired
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Abstract
An internal combustion engine with direct gasoline injection and controlled ignition, having at least one cylinder, a cylinder head, sealing the cylinder, a piston, arranged to run in the cylinder, a combustion chamber, defined by the piston and the cylinder head, a gasoline injector into the combustion chamber, an ignition device, for producing an ignition of the air/gasoline mixture in the combustion chamber, inlet and exhaust valves, selectively sealing the combustion chamber and a system for recirculation of at least a part of the exhaust gas into the combustion chamber during the air intake phase, wherein the pressure provided for the injection device is greater than 250 bars, such as to homogenize the air/gasoline/recycled exhaust gas mixture and increase the speed of combustion.
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