公开(公告)号：US09951721B2

公开(公告)日：2018-04-24

申请号：US14519272

申请日：2014-10-21

Applicant: UNITED TECHNOLOGIES CORPORATION

Inventor： Daniel Bernard Kupratis ,  Walter A Ledwith, Jr. ,  Christopher J Hanlon

IPC: F02C1/00 ,  F02K3/075 ,  F02C3/10 ,  F02K3/077

CPC classification number: F02K3/075 ,  F02C3/10 ,  F02K3/077

Abstract: A gas turbine engine includes an auxiliary airflow control system to provide selective communication of a portion of a second stream from a second stream flow path into a third stream flow path, the auxiliary airflow control system in communication with a high temperature flow sourced from the turbine section.