Frame hub heating system
AssigneeGeneral Electric Company
InventorRobert Paul Czachor
Life of this patent
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Abstract
A frame for a gas turbine engine is provided comprising a central hub having a circumferentially extending flowpath surface enclosing an interior cavity and an annular outer casing connected to the hub by a plurality of struts extending radially from the hub to the casing, wherein the flowpath surface has a plurality of inlets disposed in flow communication with the interior cavity and a plurality of outlets disposed in flow communication with the interior cavity. A flowpath member for a turbine frame hub is also provided having a plurality of inlets and outlets formed therein.
Claims25
A flowpath member for a gas turbine engine, comprising a generally cylindrical wall formed from sheet metal having an upstream end and a downstream end, wherein a plurality of inlets and a plurality of outlets are formed in said wall, wherein said inlets comprise an annular array of radially inwardly extending scoops formed in said flowpath surface, each of said scoops having an opening facing in a downstream direction, and wherein said outlets comprise an annular array of radially inwardly extending scoops formed in said flowpath surface, each of said scoops having an opening facing in an upstream direction.
A flowpath member for a gas turbine engine, comprising a generally cylindrical wall formed from sheet metal having an upstream end and a downstream end, wherein a plurality of inlets and a plurality of outlets are formed in said wall, wherein said inlets comprise an annular array of radially outwardly extending scoops formed in said wall, each of said scoops having an opening facing in an upstream direction, and wherein said outlets comprise an annular array of radially outwardly extending scoops formed in said wall, each of said scoops having an opening facing in a downstream direction.
A frame for a gas turbine engine, comprising:
- a central hub having a circumferentially extending flowpath surface enclosing an interior cavity,
- an annular outer casing,
- a plurality of struts extending radially from said hub to said casing,
- a plurality of inlets disposed in said flowpath surface in flow communication with said interior cavity;
- and
- a plurality of outlets disposed in said flowpath surface in flow communication with said interior cavity.
Dependencies are inferred from the claim text.