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US 2020/0025060 A1Published application
Fuel Injector and Nozzle Passages Therefor
AssigneeGM Global Technology Operations LLC
InventorsScott E. Parrish, Ronald O. Grover, JR.
Life of this patent
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Abstract
A fuel injector for an internal combustion engine. The fuel injector has a needle and a nozzle that inter-relate with each other in assembly. Relative movement between the needle and nozzle bring the fuel injector between a closed state of operation and an open state of operation amid use of the fuel injector. The nozzle has one or more passages therein through which fuel is discharged.
Claims19
A fuel injector, comprising:
- a needle;
- and
- a nozzle receiving the needle, the nozzle having an advanced-manufactured portion and having at least one passage for discharged fuel flow, the at least one passage being defined in the advanced-manufactured portion.
A fuel injector, comprising:
- a needle;
- and
- a nozzle receiving the needle, the nozzle having at least one passage for discharged fuel, the at least one passage being defined by a passage wall, the passage wall having a non-linear longitudinal extent that constitutes at least a majority longitudinal extent of a full longitudinal extent of the passage wall, the full longitudinal extent of the passage wall being defined between an inlet end of the at least one passage and an outlet end of the at least one passage.
Dependencies are inferred from the claim text.