Blade tip
AssigneeROLLS-ROYCE plc
InventorsIan Colin Deuchar Care, Stephane Baralon
Life of this patent
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Abstract
There is provided a blade tip for a rotary blade. The blade tip is formed of a metal foam and comprises at least one vortex generator. The vortex generator may comprise at least one passageway and/or cavity in the blade tip. In use, a vortex is created between the blade tip and a fan casing adjacent the blade tip.
Claims18
A blade tip for a rotary blade, wherein the blade tip is formed of a metal foam and comprises at least one vortex generator comprising at least one passageway, such that, in use, a vortex is created between the blade tip and a casing adjacent the blade tip, wherein the vortex generator comprises a passageway extending from an inlet on a pressure face of the blade tip to at least one outlet on a radially outer surface of the blade tip, and the outlet(s) of the passageway are substantially mid-way between the pressure and suction surfaces on the camber line of the rotary blade.
Dependencies are inferred from the claim text.