Rotor blades
AssigneeROLLS-ROYCE plc
InventorsIan Tibbott, Edwin Dane, Dougal Richard Jackson
Life of this patent
Estimating the term…
Abstract
A rotor blade has a tip with an outer face including at least two channels which each extend to an outlet in the vicinity of the trailing edge. Accordingly, gas leakage around the tip must cross at least three walls, at least in the vicinity of the uncovered turning region near the trailing edge of the blade. Leakage gas entering the channels will tend to create a vortex and pass along the channel to the outlet.
Claims12
A rotor blade comprising a trailing edge and a tip, the tip being at the radially outermost end of the blade and having an outer face which includes at least two channels, each of the channels extending to an outlet in the vicinity of the trailing edge, wherein the two channels are defined by at least three walls upstanding at the tip.
A rotor blade comprising a trailing edge and a tip, the tip having a radially outward face which includes at least two channels, each of the channels extending to an outlet in the vicinity of the trailing edge, wherein the two channels are defined by at least three walls upstanding at the tip.
A rotor blade comprising a pressure face, a suction face, a trailing edge, a leading edge, and a tip extending from the radially outward end of the trailing edge to the radially outward end of the leading edge, the trailing edge, the tip, and the leading edge contiguously joining the pressure face to the suction face, the tip having an outer face which includes at least two channels, each of the channels extending to an outlet in the vicinity of the trailing edge, wherein the two channels are defined by at least three walls upstanding at the tip.
Dependencies are inferred from the claim text.