Patent ID: 7726590
Filing Date: 2010-06-01
Classification: F02M

Abstract:
1. A spray director plate for use in directing fuel from a fuel injector valve assembly, said plate comprising a plurality of fuel passages extending therethrough between an upstream plate surface and a downstream plate surface, wherein at least one of said passages includes a first conical portion at the upstream surface end of said passage, a cylindrical portion extending from said first conical portion to said downstream surface, and a second conical portion disposed between said first conical portion and said cylindrical portion, said first conical portion having a first conical axis, said cylindrical portion having a cylindrical axis, and said second conical portion having a second conical axis, wherein either (i) said first conical axis is inclined to said second conical axis, or (ii) one of said first conical axis and said second conical axis is inclined to said cylindrical axis, or (iii) both (i) and (ii) are satisfied, and further wherein said first conical portion and said second conical portion diverge toward said upstream plate surface.