Aeronautics and astronautics – Aircraft power plants – Mounting
Patent
1994-02-09
1995-04-25
Grant, William
Aeronautics and astronautics
Aircraft power plants
Mounting
60 3931, 248555, F02C 720, B64D 2718, B64D 2726
Patent
active
054091845
ABSTRACT:
A turbofan gas turbine engine is provided with a polygonal rigid frame formed by a hub member, a plurality of radially extending spokes and a plurality of straight members connect to the radially outer ends of the spokes. The hub member is secured to the core casing and the straight members are secured to the core casing and the straight members are secured to the fan casing. Brackets are provided at two hard points at the radially outer ends of two adjacent hard points at the radially outer end of two adjacent spokes and brackets are provided at two hard points at the radially inner ends of two other spokes. The spokes have a chord length of six times that of conventional outlet guide vanes. The hard points are connected by links to a bracket at a first axial position on the aircraft stub pylon extension and the hard points are connect by links to a bracket at a second axial position on the stub pylon extension to form a rigid triangular structure to mount the engine from the aircraft.
REFERENCES:
patent: 4603821 (1986-08-01), White
patent: 5078342 (1992-01-01), Langley et al.
patent: 5181675 (1993-01-01), Lardellier et al.
patent: 5284011 (1994-02-01), Von Benken
Drew David D. K.
Udall Kenneth F.
Wright Eric
Grant William
Rolls-Royce plc
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