Tip sealing for a turbine rotor blade
AssigneeROLLS-ROYCE plc
InventorPeter Jeffrey Goodman
Life of this patent
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Abstract
An unshrouded rotor blade 24 comprising an aerofoil 28, said aerofoil 28 having a leading edge 34, a trailing edge 36, a pressure surface 30 and a suction surface 32, there being provided at a radially outer extremity of the aerofoil 28 a gutter 40 which is wider than the aerofoil 28 adjacent the trailing edge 36 thereof, wherein at least a part of the gutter 40 is offset towards the aerofoil pressure surface 30.
Claims11
An unshrouded rotor blade, comprising an aerofoil, said aerofoil having a leading edge, a trailing edge, a pressure surface and a suction surface, there being provided at a radially outer extremity of the aerofoil a gutter which is wider than the aerofoil adjacent the trailing edge thereof, wherein at least a part of the gutter is offset toward the aerofoil pressure surface,
- wherein the gutter predominantly overhangs the aerofoil pressure surface.
Dependencies are inferred from the claim text.