公开(公告)号：US20240191658A1

公开(公告)日：2024-06-13

申请号：US18512999

申请日：2023-11-17

Applicant: Rolls-Royce plc

Inventor： David M. Donnelly ,  Derek S. Wall ,  Jonathan Wieland

IPC: F02C7/12 ,  F01D21/00 ,  F01D21/12

CPC classification number: F02C7/12 ,  F01D21/003 ,  F01D21/12 ,  F05D2260/20

Abstract: A method of operating a gas turbine engine having a spool includes executing, by a controller, a pre-shutdown procedure. The pre-shutdown procedure includes: determining a parameter associated with a thermal condition of the gas turbine engine; and calculating an idle period for an idle rotation operation to be performed in a shutdown procedure. Calculation of the idle period is based on the determined parameter.

公开(公告)号：US12286935B2

公开(公告)日：2025-04-29

申请号：US18176777

申请日：2023-03-01

Applicant: ROLLS-ROYCE plc

Inventor： Derek S. Wall ,  Asad Mustafa ,  Robert Johnson ,  Jonathan Wieland

IPC: F02C9/00

Abstract: Disclosed is a computer-implemented method for controlling an engine system of a vehicle comprising: determining an operating condition of the vehicle; determining one or more contextual conditions relevant to the vehicle; selecting, based upon both the determined operating condition and the determined one or more contextual conditions, a control profile for the engine system from a directory comprising a plurality of control profiles having different control characteristics; applying the selected control profile to a controller of the engine system; and controlling the engine system with the controller in accordance with the selected control profile. Also disclosed are an engine control system, a gas turbine engine, and an aircraft.

公开(公告)号：US20240191633A1

公开(公告)日：2024-06-13

申请号：US18513073

申请日：2023-11-17

Applicant: ROLLS-ROYCE PLC

Inventor： David M. Donnelly ,  Derek S. Wall ,  Jonathan Wieland

IPC: F01D21/12 ,  F02C7/268

CPC classification number: F01D21/12 ,  F02C7/268 ,  F05D2270/3032

Abstract: A method of operating a gas turbine engine having a spool includes executing, by a controller, a shutdown procedure. The shutdown procedure includes: performing an idle rotation operation; determining a parameter associated with a thermal condition of the gas turbine engine while the idle rotation operation is performed; determining, based on the determined parameter, whether the gas turbine engine has met a pre-determined criterion corresponding to a thermally stabilised condition; and terminating the idle rotation operation in response to a determination that the gas turbine engine has met the pre-determined criterion.