Rotating seal
AssigneeGeneral Electric Company
InventorsGulcharan S. Brainch, John C. Brauer
Life of this patent
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Abstract
Overall performance in enhanced in gas turbine engines by providing a rotating seal including a rotating member arranged to rotate about an axis and having at least one annular projection extending radially outwardly therefrom, and a stator element having a first surface arranged to contact the projection. The stator element includes at least one slot formed in the first surface, the slot axially traversing the projection so as to allow a flow of purge air to pass. More than one such slot can be used, and each slot is preferably angled circumferentially in the direction of rotation of the rotating member.
Claims9
A rotating seal comprising:
- a rotating member arranged to rotate about an axis and having at least one annular projection extending radially outwardly therefrom;
- and
- a stator element having a first surface arranged to contact said projection, a forward facing surface, and an aft facing surface, wherein a plurality of slots are formed in said first surface, and each of said slots extend from said forward facing surface to said aft facing surface and axially traverse said projection.
A rotating seal comprising:
- a rotation member arranged to rotate about an axis and having at least one annular projection extending radially outwardly therefrom, said annular projection forming a boundary between a first fluid cavity and a second fluid cavity;
- and
- a stator element having a first surface arranged to contact said projection, a forward surface exposed to said first fluid cavity, and an aft surface exposed to said second fluid cavity, said stator element including means for allowing air to pass therethrough from said first cavity to said second cavity.
Dependencies are inferred from the claim text.