US 11,767,789 B2
Turbofan gas turbine engine
Natalie C Wong, Bristol (GB); Thomas S Binnington, Bristol (GB); David A Jones, Bristol (GB); and Daniel Blacker, Bristol (GB)
Assigned to ROLLS-ROYCE plc, London (GB)
Filed by ROLLS-ROYCE plc, London (GB)
Filed on Sep. 24, 2021, as Appl. No. 17/484,974.
Claims priority of application No. 2016000 (GB), filed on Oct. 9, 2020.
Prior Publication US 2022/0112844 A1, Apr. 14, 2022
Int. Cl. F02C 7/04 (2006.01); F02C 7/18 (2006.01); B64D 27/10 (2006.01); B64D 33/02 (2006.01); B64D 33/04 (2006.01); B64D 33/08 (2006.01); B64D 27/20 (2006.01); B64D 33/10 (2006.01); F02K 3/06 (2006.01); F02K 3/075 (2006.01); F02C 7/08 (2006.01); F02C 7/12 (2006.01); F01D 9/06 (2006.01); F02C 7/14 (2006.01); F02K 3/115 (2006.01)
CPC F02C 7/04 (2013.01) [B64D 27/10 (2013.01); B64D 27/20 (2013.01); B64D 33/02 (2013.01); B64D 33/04 (2013.01); B64D 33/08 (2013.01); B64D 33/10 (2013.01); F01D 9/065 (2013.01); F02C 7/08 (2013.01); F02C 7/12 (2013.01); F02C 7/18 (2013.01); F02K 3/06 (2013.01); F02K 3/075 (2013.01); B64D 2033/024 (2013.01); B64D 2033/0286 (2013.01); F02C 7/14 (2013.01); F02K 3/115 (2013.01); F05D 2220/323 (2013.01); F05D 2220/36 (2013.01); F05D 2260/213 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A turbofan gas turbine engine comprising, in axial flow sequence, a heat exchanger module, a fan assembly, a compressor module, and a turbine module, the fan assembly comprising a plurality of fan blades, the heat exchanger module comprising a plurality of vanes circumferentially disposed around a center axis of the turbofan gas turbine engine with a plurality of heat transfer elements integrated with the plurality of vanes;
wherein each of the plurality of vanes comprises a hollow portion through which ambient air flows, and the heat transfer elements are disposed in the hollow portion and exposed to the ambient airflow so as to transfer heat to the ambient airflow, and
wherein the heat exchanger module is in fluid communication with the fan assembly by an inlet duct, the inlet duct extending between a downstream-most face of the heat transfer elements and an upstream-most face of the fan assembly.