公开(公告)号：US11946474B2

公开(公告)日：2024-04-02

申请号：US17450840

申请日：2021-10-14

Applicant: HONEYWELL INTERNATIONAL INC.

Inventor： Bruce David Reynolds ,  Nick Nolcheff ,  Mahmoud Mansour ,  Timothy Darling ,  Ernest Kurschat

IPC: F02C9/18 ,  F01D17/26 ,  F01D19/00 ,  F02C7/264 ,  F04D17/02

CPC classification number: F04D17/025 ,  F01D17/26 ,  F01D19/00 ,  F02C7/264 ,  F02C9/18 ,  F05D2240/11 ,  F05D2270/80

Abstract: A gas turbine engine includes a combustor having a combustor air inlet, an axial-centrifugal compressor, a shroud, a secondary flow duct, and a valve. The shroud surrounds at least a portion of the axial-centrifugal compressor and has a surge bleed plenum defined therein that is in fluid communication with, and receives compressed air from, the axial compressor outlet. The secondary airflow duct has a duct inlet that is in fluid communication with the surge bleed plenum, and a duct outlet that is in fluid communication with the combustor air inlet. The valve is mounted on the secondary airflow duct and is movable between a closed position, in which the secondary airflow duct does not provide fluid communication between the surge bleed plenum and the combustor air inlet, and an open position, in which the secondary airflow duct provides fluid communication between the surge bleed plenum and the combustor air inlet.

公开(公告)号：US20230122939A1

公开(公告)日：2023-04-20

申请号：US17450840

申请日：2021-10-14

Applicant: HONEYWELL INTERNATIONAL INC.

Inventor： Bruce David Reynolds ,  Nick Nolcheff ,  Mahmoud Mansour ,  Timothy Darling ,  Ernest Kurschat

IPC: F04D17/02 ,  F01D19/00 ,  F01D17/26 ,  F02C9/18 ,  F02C7/264

Abstract: A gas turbine engine includes a combustor having a combustor air inlet, an axial-centrifugal compressor, a shroud, a secondary flow duct, and a valve. The shroud surrounds at least a portion of the axial-centrifugal compressor and has a surge bleed plenum defined therein that is in fluid communication with, and receives compressed air from, the axial compressor outlet. The secondary airflow duct has a duct inlet that is in fluid communication with the surge bleed plenum, and a duct outlet that is in fluid communication with the combustor air inlet. The valve is mounted on the secondary airflow duct and is movable between a closed position, in which the secondary airflow duct does not provide fluid communication between the surge bleed plenum and the combustor air inlet, and an open position, in which the secondary airflow duct provides fluid communication between the surge bleed plenum and the combustor air inlet.