Patent ID: 7374400

Claim:
A turbine blade arrangement comprising: a rotor disc having turbine blades mounted thereon, said turbine blades having platform sections and said rotor disc having a coolant path directed towards a cavity between adjacent turbine blades, said cavity being defined by respective blade platforms of adjacent turbine blades brought together to form a juxtaposition joint, respective root sections of adjacent rotor blades and a rim section of the rotor disc, said cavity having a flow diverter located therein comprising an insert having a base adjacent to and engaging said rim section and including a recessed portion located underneath a floor connected at the base, the recessed portion in use diverting coolant flow from the coolant path to remain adjacent the rim section of the rotor disc, said flow diverter additionally being arranged to support a damper member in engagement with said juxtaposed turbine blade platform sections.