Patent ID: 11859586
Assignee: SAUDI ARABIAN OIL COMPANY
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 0:
1. A fuel injector, the fuel injector comprising:
an injector body with a bore, wherein the bore is a fuel chamber configured to received fuel from a fuel line;
an injector tip at an end of the injector body;
one or more nozzle assemblies provided in the injector tip, wherein each of the one or more nozzle assemblies comprises:
a fuel channel in fluid communication with the fuel chamber, wherein the fuel channel extends from an inner surface of a conical end of the fuel chamber;
a premixing tube fluidly connected to the fuel channel; and
a port extending from an outer surface of the injector tip to the premixing tube, wherein at the outer surface of the injector tip, the port comprises an inlet for air,
wherein the premixing tube comprises an orifice at an end distal to the port, wherein the orifice is an outlet for the injector tip; and

a needle ball movably disposed in the bore, wherein the needle ball has a closed position and an open position, and wherein in the closed position, the needle ball contacts and seals the conical end of the fuel chamber to stop a dripping of a fuel.