Methods and systems for an engine

摘要

Various injector cooling structures and related engine systems and methods are provided. In one example, an injector cooling structure includes a cooling channel defined by a cooling jacket of a turbine. A cooling bore is provided at least partially within the cooling jacket, with the cooling bore configured to receive a pintle of an injector. The cooling channel is configured to circulate coolant for cooling the injector.

主权项

1. A method for an injector, comprising:
monitoring at least one operating condition of an engine system; and based on the at least one operating condition, adjusting an amount of an additive injected into a turbine of the engine system by the injector, the turbine including a cooling jacket having an extension, the injector extending through a cooling bore within the extension of the cooling jacket such that the cooling bore is separated from a cooling channel defined by the coolant jacket.