Patent ID: 6308901
Filing Date: 2001-10-30
Classification: F02M

Abstract:
An injector, the injector comprising:a valve seat including:a longitudinal axis extending therethrough;an upstream end having a seat entrance orifice on the longitudinal axis;a downstream end having a seat exit orifice on the longitudinal axis;a seat channel extending between the seat entrance orifice and the seat exit orifice along the longitudinal axis; anda recessed opening downstream of the seat exit orifice along the longitudinal axis, the recessed opening being larger than the seat exit orifice; anda first bent stream insert including:an upstream insert end having an insert entrance orifice;a downstream insert end, the downstream insert end includes a spherical portion, the insert exit orifice being located in the spherical portion;a channel axis extending therethrough;an insert channel having an insert exit orifice at the downstream insert end, the insert channel having a channel axis oblique to the longitudinal axis; andan insert projection extending from the upstream end, the insert projection being adapted to be retained in the recessed opening, the seat exit orifice being in fluid communication with the insert entrance orifice, the insert exit orifice discharging a cone-shaped spray having a spray axis co-linear with the longitudinal axis.