Rolls-royce Corporation

Shakir Jiffri

Ian C D Care

Seamus Dominic Garvey

The present invention relates to a bearing assembly () for a rotatable shaft (). The bearing assembly comprises a bearing housing (); a bearing () located within the bearing housing () and arranged in use to receive a rotatable shaft (); and an elongate member () that couples the bearing () to the bearing housing () for damping vibrations of the rotatable shaft (). The elongate member () comprises a piezoelectric element () which may be actuated so as to exert a force on the elongate member. This arrangement allows the bearing assembly to damp vibrations of the rotatable shaft.

Bearing assembly

The present invention relates to a bearing assembly () for a rotatable shaft (). The bearing assembly comprises a bearing housing (); a bearing () located within the bearing housing () and arranged in use to receive a rotatable shaft (); and a damper () that couples the bearing () to the bearing housing () for damping vibrations of the rotatable shaft (). The damper () comprises a shape memory alloy (). This arrangement allows the bearing assembly to damp vibrations of the rotatable shaft.

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Kandy, Sri Lanka

Shakir Jiffri