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US 12,460,551 B1Granted
Additively manufactured turbine engine case
AssigneeRtx Corporation
InventorsTimothy James Lanoue, Weston Matthew Behling
Life of this patent
Estimating the term…
Abstract
An isogrid structure has a wall having a first face and a second face. An isogrid of hollow ribs is formed on the wall second face. The ribs of the isogrid have respective rib interiors. The wall comprises a first alloy and the ribs comprise a second alloy different from the first alloy. Junctions of the ribs are at bosses having an interior surface open to the rib interiors and an external environment.
Claims20
An isogrid structure comprising:
- a wall having a first face and a second face;
- and
- an isogrid of hollow ribs on the wall second face and having respective rib interiors, wherein:
- junctions of the ribs are at bosses having an interior surface open to the rib interiors and an external environment;
- the wall comprises a first alloy;
- and
- the ribs comprise a second alloy different from the first alloy.
4 more elements
An isogrid structure comprising:
- a wall having a first face and a second face;
- and
- an isogrid of hollow ribs on the wall second face and having respective rib interiors, wherein:
- junctions of the ribs are at bosses having an interior surface open to the rib interiors and to an external environment.
1 more element
A method for manufacturing an isogrid case structure, the method comprising:
- machining a body section having a first face and a second face;
- and
- additively manufacturing to the second face an isogrid of hollow ribs with bosses at nodes of the isogrid, the bosses having an interior surface open to the rib interiors and an external environment.
Dependencies are inferred from the claim text.