Rolls-royce Corporation

Adrian M Jones

David S Knott

David R Midgelow

Jennifer M Norris

Robert M Hall

A gas turbine engine fan blade ( ) comprises a root portion ( ) and an aerofoil portion ( ). The aerofoil portion ( ) has a leading edge ( ), a trailing edge ( ), a concave metal wall portion ( ) extending from the leading edge ( ) to the trailing edge ( ) and a convex metal wall portion ( ) extending from the leading edge ( ) to the trailing edge ( ). The aerofoil portion ( ) has a hollow interior ( ) and the interior ( ) of the aerofoil portion ( ) is at least partially filled with a vibration damping material ( ). The vibration damping material ( ) comprises a material having viscoelasticity for example one formed by mixing an amine terminated polymer and bisphenol a-epichlorohydrin epoxy resin.

Growing community of inventors

Bristol, United Kingdom

Adrian M Jones