公开(公告)号：US20240044294A1

公开(公告)日：2024-02-08

申请号：US18374072

申请日：2023-09-28

Applicant: PRATT & WHITNEY CANADA CORP.

Inventor： Owen Ho-Yin WONG ,  John GALAS ,  Sean DURAND

IPC: F02C9/40 ,  F02C7/22 ,  F02C7/232

CPC classification number: F02C9/40 ,  F02C7/222 ,  F02C7/232 ,  F23D2209/30 ,  F23R3/36

Abstract: A fuel system can include a first fuel circuit, a second fuel circuit, and an inert gas purge system operatively connected to both the first fuel circuit and the second fuel circuit to purge at least a portion of either or both of the first and/or second fuel circuit. The first fuel can be a liquid fuel and the second fuel can be a gaseous fuel. The first fuel circuit can include a first fuel manifold configured to fluidly communicate a first fuel supply with at least one dual fuel nozzles downstream of the first fuel manifold.