Patent ID: 7137577
Filing Date: 2006-11-21
Classification: F02M

Abstract:
1. A nozzle for a low pressure fuel injector, the fuel injector delivering fuel to a cylinder of an engine, the nozzle comprising: a nozzle body defining a valve outlet and a longitudinal axis; a metering plate connected to the nozzle body and in fluid communication with the valve outlet; the metering plate defining a nozzle cavity receiving fuel from the valve outlet through an entrance orifice, the nozzle cavity defined by a bottom wall and a side wall; the metering plate defining a plurality of exit cavities receiving fuel from the nozzle cavity, each exit cavity radially spaced from the longitudinal axis and oriented along a radial axis, each exit cavity meeting the nozzle cavity at an exit orifice; and each exit orifice including an annular wall extending around the exit orifice and projecting up from the bottom wall into the nozzle cavity.