Injector nozzle spray hole with an aerated counterbore
US11959447B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 16, 2021 |
| Grant date | Apr 16, 2024 |
| Priority date | — |
| Expiry date | Feb 16, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M69/04
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Apparatuses, methods, and systems for fuel injection are disclosed. The apparatus includes an inner sac with at least one spray hole disposed on an inner surface of the apparatus, the at least one spray hole leading to a fuel passage extending therefrom, at least one counterbore extending partially between an outer surface of the apparatus and the sac along the fuel passage, and at least one air entrainment hole extending from the outer surface of the apparatus toward the at least one counterbore, the at least one air entrainment hole fluidly coupled with the at least one counterbore and configured to provide air to the fuel passage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.