Patent ID: 7874277
Filing Date: 2011-01-25
Classification: F02B,F02D,F02M,Y02T

Abstract:
1. A method of combustion in a reciprocating piston internal combustion engine having a combustion chamber, a volume of which is changeable via a reciprocating piston and fuel being introduceable directly into the combustion chamber, the engine further having a gas exchange inlet valve and a gas exchange outlet valve for a charge cycle, the combustion chamber having a minimum volume at a top dead center position of the charge cycle and at an ignition top dead center, the method comprising the acts of: introducing a fresh gas into the combustion chamber in an intake phase; introducing a primary quantity of fuel into the combustion chamber during at least one of the intake phase and a compression phase; compressing the fresh gas and the fuel in the compression phase; igniting a mixture comprising the fresh gas and the fuel formed in the combustion chamber; expanding and discharging an exhaust gas formed by combustion in an expansion phase; wherein: