Vane airfoil shapes for embedded members
AssigneeRaytheon Technologies Corporation
InventorsCorey D. Anderson, Marianne C. Monastero, Vladimir Skidelsky
Life of this patent
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Abstract
A vane assembly may comprise a plurality of airfoils each extending between an inner platform and an outer platform, the plurality of airfoils comprising a nominal airfoil, a thickened airfoil, and a first thinned airfoil circumferentially adjacent to the thickened airfoil, wherein, the nominal airfoil has a first chord thickness, the thickened airfoil has a second chord thickness, and the thinned airfoil has a third chord thickness, wherein the second chord thickness is greater than the first chord thickness and the third chord thickness is less than the first chord thickness, and a member disposed within the thickened airfoil.
Claims18
A vane assembly, comprising:
- a plurality of airfoils each extending between an inner platform and an outer platform, the plurality of airfoils comprising a nominal airfoil, a thickened airfoil, and a first thinned airfoil circumferentially adjacent to the thickened airfoil,
- wherein, the nominal airfoil has a first chord thickness and a first chord length, the thickened airfoil has a second chord thickness and a second chord length, and the thinned airfoil has a third chord thickness and a third chord length, wherein the second chord thickness is greater than the first chord thickness and the third chord thickness is less than the first chord thickness, and wherein at least one of the second chord length and the third chord length is substantially equal to the first chord length;
- and
- a probe disposed within the thickened airfoil,
- wherein a throat area between the thickened airfoil and the thinned airfoil is within ±5% of a throat area between the nominal airfoil and a circumferentially adjacent nominal airfoil of the plurality of airfoils.
A gas turbine engine, comprising:
- a compressor section configured to compress a gas;
- a combustor section aft of the compressor section and configured to combust the gas;
- a turbine section aft of the combustor section and configured to extract work from the gas;
- a case enclosing at least one of the compressor section, the combustor section, or the turbine section;
- and a vane instrumentation assembly, comprising:
- a plurality of airfoils within the case each extending between an inner platform and an outer platform, the plurality of airfoils comprising a nominal airfoil, a thickened airfoil, and a first thinned airfoil circumferentially adjacent to the thickened airfoil,
- wherein, the nominal airfoil has a first chord thickness and a first chord length, the thickened airfoil has a second chord thickness and a second chord length, and the thinned airfoil has a third chord thickness and a third chord length, wherein the second chord thickness is greater than the first chord thickness and the third chord thickness is less than the first chord thickness, and wherein at least one of the second chord length and the third chord length is substantially equal to the first chord length;
- a probe disposed through a penetration in the case and within the thickened airfoil;
- and a sensor coupled to the probe,
- wherein a throat area between the thickened airfoil and the thinned airfoil is within ±5% of a throat area between the nominal airfoil and a circumferentially adjacent nominal airfoil of the plurality of airfoils.
A method of instrumenting a gas turbine engine, the method comprising:
- coupling a thickened airfoil circumferentially proximate a thinned airfoil on a common platform to form a vane doublet,
- wherein, the thickened airfoil comprises a first chord thickness and a first chord length and the thinned airfoil comprises a second chord thickness and a second chord length, wherein the first chord thickness is greater than the second chord thickness, and wherein the first chord length is substantially equal to the second chord length,
- wherein a throat area between the thickened airfoil and the thinned airfoil is within ±5% of a throat area between a nominal airfoil and a circumferentially adjacent nominal airfoil of the plurality of airfoils;
- coupling the vane doublet within a case of the gas turbine engine;
- inserting a probe through the case and into the thickened airfoil;
- and
- aligning a probe head of the probe with a window of the thickened airfoil of the vane doublet.
Dependencies are inferred from the claim text.