Patent ID: 11879418
Assignee: CATERPILLAR INC.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 9:
10. A fuel injector nozzle assembly comprising:
a nozzle body defining a nozzle center axis and including an inner nozzle surface, an outer nozzle surface, and a spray orifice extending from the inner nozzle surface to the outer nozzle surface and oriented angularly to the nozzle center axis;
a spray duct coupled to the nozzle body in spray path alignment with the spray orifice;
the spray duct including a duct wall extending between a duct inlet and a duct outlet, and a center body coupled to the duct wall and positioned in a spray jet path extending between the duct inlet and the outlet; and
a spray jet passage is defined peripherally between the duct wall and the center body.