Patent ID: 7077099
Filing Date: 2006-07-18
Classification: F02B,F02D,F02F,Y02T

Abstract:
1. A direct injection type internal combustion engine comprising: a fuel injector for injecting directly a fuel into a combustion chamber; an ignition plug for igniting an air-fuel mixture of said combustion chamber; and an air-fuel mixture induction device which comprises a conduit with an air injection port having a cross-sectional area smaller than a total cross-sectional area of an air flow passage formed in a vicinity of a single air intake derived for directing the fuel toward said ignition plug and forming an air-fuel mixture region which enhances sparking in a vicinity of said ignition plug such that during a starting of said internal combustion engine, air having a flow velocity higher than a flow velocity from a main intake air passage is supplied from said air injection port to said cylinder with a tumble air flow being formed in said cylinder.