Two-piece baffle
AssigneeRtx Corporation
InventorsBryan H. Farrar, Jon E. Sobanski
Life of this patent
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Abstract
An airfoil vane includes an airfoil section which includes an outer wall that defines an internal cavity. A baffle is situated in the internal cavity. The baffle includes a leading edge portion and a trailing edge portion which is bonded to the leading edge portion at a joint. The leading edge portion and the trailing edge portion define an internal cavity therewithin. Both the leading edge portion and the trailing edge portion include a plurality of cooling holes which are configured to provide cooling air to the airfoil outer wall. The trailing edge portion is formed of sheet metal and the leading edge portion is formed of non-sheet-metal. A method of making a baffle for a vane arc segment and a method of assembling a ceramic matrix composite airfoil vane are also disclosed.
Claims20
An airfoil vane, comprising:
- an airfoil section including an outer wall that defines an internal cavity;
- and
- a baffle situated in the internal cavity, the baffle including a leading edge portion and a trailing edge portion bonded to the leading edge portion at a joint, wherein the leading edge portion and the trailing edge portion define an internal cavity therewithin, wherein both the leading edge portion and the trailing edge portion include a plurality of cooling holes configured to provide cooling air to the airfoil outer wall, wherein the trailing edge portion is formed of sheet metal and the leading edge portion is formed of non-sheet-metal, and wherein the leading edge portion comprises a first side and a separate second side, the first and second sides joined together by a weld joint.
An airfoil vane, comprising:
- an airfoil section including an outer wall that defines an internal cavity;
- and
- a baffle situated in the internal cavity, the baffle including a leading edge portion and a trailing edge portion bonded to the leading edge portion at a joint, wherein the leading edge portion and the trailing edge portion define an internal cavity therewithin, wherein both the leading edge portion and the trailing edge portion include a plurality of cooling holes configured to provide cooling air to the airfoil outer wall, wherein the trailing edge portion is formed of sheet metal and the leading edge portion is formed of non-sheet-metal, and wherein the leading edge portion comprises a first side and a separate second side, the first and second sides joined together, wherein the baffle has a chord length expressed as a percentage, wherein 0% corresponds to the leading edge of the baffle and 100% corresponds to the trailing edge of the baffle and wherein the joint begins at a smaller percent of the chord length at a radially inner end of the baffle and ends at a larger percent of the chord length at a radially outer end of the baffle.
Dependencies are inferred from the claim text.