公开(公告)号：US4979361A

公开(公告)日：1990-12-25

申请号：US379310

申请日：1989-07-13

Applicant: Jim A. Clark ,  James H. Shadowen ,  Barton R. Field

Inventor： Jim A. Clark ,  James H. Shadowen ,  Barton R. Field

IPC: F23R3/04

CPC classification number: F23R3/04

Abstract: The diffuser for delivering compressor discharge air to the combustor of a gas turbine engine includes a prediffuser mounted ahead of a dump diffuser which includes step changes in the flow path at its inlet and adjacent the cowl of the combustor in the passageway of the dump diffuser for providing at least two sudden expansions of the diffuser flow.

Abstract translation: 用于将压缩机排放到燃气涡轮发动机的燃烧器的扩散器包括安装在排放扩散器之前的预扩散器，其包括在其入口处的流动路径中的逐渐变化，并且与排放扩散器的通道中的燃烧器的整流罩相邻， 提供扩散器流的至少两个突然膨胀。