Patent ID: 7273031
Filing Date: 2007-09-25
Classification: F02B,Y02T

Abstract:
1. A cylinder head assembly for a direct-injection engine, the cylinder head assembly comprising: a cylinder head at least partially defining a combustion chamber; wherein said cylinder head is sufficiently configured to receive a fuel injector operable to inject fuel directly into said combustion chamber in a spray pattern; an ignition source spaced from said fuel injector and operable to initiate ignition of said fuel; a fuel mixture diffuser tab extending into said combustion chamber; wherein said fuel mixture diffuser tab extends into said combustion chamber substantially outside and adjacent to said spray pattern such that said spray pattern does not wet said fuel mixture diffuser tab; wherein said fuel mixture diffuser tab is positioned between said fuel injector and said ignition source; and wherein said fuel mixture diffuser tab is operable to create a low pressure area to direct a portion of said fuel toward said ignition source.