Dual-walled components for a gas turbine engine
AssigneeROLLS-ROYCE plc
InventorBruce Varney
Life of this patent
Estimating the term…
Abstract
Techniques for forming a dual-walled component for a gas turbine engine that include chemically etching at least one of a hot section part or a cold section part to form an etched part having plurality of support structures and bonding the etched part to a corresponding cold section part or a corresponding hot section part to form a dual-walled component, with the plurality of support structures defining at least one cooling channel between the at least one of the hot section part or the cold section part and the corresponding cold section part or the corresponding hot section part.
Claims11
A method for forming a dual-walled component for a gas turbine engine, the method comprising:
- applying a mask to a curved surface of the at least one hot section part or cold section part to define a cooling channel pattern on a surface of the at least one hot section part or cold section part;
- chemically etching the curved surface of the at least one hot section part or cold section part to form an etched part having a plurality of support structures;
- removing the mask after chemically etching the curved surface;
- and
- bonding the etched part to a corresponding cold section part or a corresponding hot section part to form a dual-walled component, wherein the plurality of support structures define at least one cooling channel between the at least one of the hot section part or the cold section part and the corresponding cold section part or the corresponding hot section part.
A method comprising:
- forming a dual-walled component for a gas turbine engine, wherein the dual-walled component comprises a spar comprising a superalloy material and a coversheet bonded to the spar, wherein forming the dual-walled component comprises:
- applying a mask to a curved surface of at least one of the coversheet or the spar to define a cooling channel pattern on the curved surface of the at least one coversheet or spar;
- chemically etching the curved surface of the at least one spar or coversheet to form a plurality of support structures;
- removing the mask after chemically etching the curved surface;
- and
- bonding the coversheet to the spar, wherein the plurality of support structures define at least one cooling channel between the spar and the coversheet.
Dependencies are inferred from the claim text.