Patent ID: 11959447
Assignee: CUMMINS INC.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 14:
15. A method of fuel injection in an engine, comprising:
opening a fuel injecting apparatus in response to an operation signal from an engine control system;
inserting fuel through a fuel passage and a counterbore formed in the fuel injection apparatus;
redirecting air into the fuel passage through an air passage fluidly coupling the counterbore and at least one air entrainment hole and extending from a corner of the at least one air entrainment hole where there is high pressure to a corner of the counterbore where there is low pressure such that the air is pulled through the at least one entrainment hole in to the counterbore; and
combusting a mixture of air and fuel inside the engine.