Turbomaschine

Details

Veröffentlichungs-Nr.

EP3623282

Aktenzeichen

EP19188389

Anmeldetag

25. Juli 2019

Veröffentlichung

31. August 2022

Erteilung

31. August 2022

Rechtsraum

EP

IPC

B64C11/00B64C11/48B64D27/24B64D35/04B64D35/06B64D27/02F02C6/00F02C7/36F02K3/06F02K3/072F02K5/00F02K3/077

Abstract

An axial flow turbomachine (102) for producing thrust to propel an aircraft is shown. The turbomachine has an inner duct (202) and an outer duct (204), both of which are annular and concentric with one another. An inner fan (206) is located in the inner duct, and is configured to produce a primary pressurised flow (P). An outer fan (207) is located in an outer duct, and is configured to produce a secondary pressurised flow (S). The outer fan has a hollow hub (208) through which the inner duct passes. A hub-tip ratio of the outer fan is from 1.6 to 2.2 times a hub-tip ratio of the inner fan.

Anmelder

Firma

Rolls-Royce plc

Land

🇬🇧 Großbritannien

Fachgebiete