Patent ID: 8851850

Claim:
An annulus filler assembly for a rotor of a turbomachine, the assembly comprising: an annulus lid having a radially outwardly facing surface for forming an inner wall of a flow annulus of the rotor and a radially inwardly facing surface; and a frame for supporting the annulus lid, the frame being mountable to a disc of the rotor such that the annulus lid is spaced away from the disc, wherein the frame comprises a connection portion which, in use, passes through an aperture in the annulus lid from the radially inwardly facing surface towards the radially outwardly facing surface such that at least a portion of the connection portion is visible from the radially outwardly facing surface; a locking element locks the connection portion to the annulus lid via the visible portion of the connection portion, the annulus lid includes a recess formed in its radially outwardly facing surface for receiving the locking element such that the locking element and radially outwardly facing surface form a substantially continuous inner wall of the flow annulus, and the recess is a channel extending in an axial direction along the radially outwardly facing surface and the locking element is an elongate member slidably received within the channel.