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US 2022/0056874 A1Published application
Fuel injector having nozzle spray holes with grooves
AssigneeCummins Inc.
InventorsRoss A. Phillips, Jordan P. Steele, Frank Husmeier, Bryan D. Rollin
Life of this patent
Estimating the term…
Abstract
An injector includes a nozzle body extending along a longitudinal axis and at least one spray hole extending through a portion of the nozzle body to output a fluid from the injector. The spray hole includes at least one groove. The groove is configured to facilitate efficient mixing of the fluid with air or other surrounding materials for enhanced performance of the injector and/or other components associated with the injector.
Claims21
A method of forming a portion of a nozzle for an injector, comprising:
- providing a heating device;
- forming at least one spray hole within the nozzle;
- and
- forming, with the heating device, a groove in a helical configuration along an inner surface of at least a portion of the at least one spray hole.
1 more element
An injector, comprising:
- a nozzle body;
- and
- at least one spray hole extending through a portion of the nozzle body and configured to output a fluid from the nozzle body, and the at least one spray hole includes at least four helical grooves.
An injector, comprising:
- a nozzle body;
- a plurality of spray holes disposed within the nozzle body;
- and
- at least one rounded groove disposed along an inner surface of at least one of the plurality of spray holes.
1 more element
Dependencies are inferred from the claim text.