AIRFOILS
First Claim
Patent Images
1. An airfoil cluster comprising:
- an inner diameter platform;
an outer diameter platform; and
a plurality of airfoils extending radially from the inner diameter platform to the outer diameter platform, each airfoil having a leading edge and a trailing edge, and pressure and suction sides between the leading and trailing edges, wherein at least one of the airfoils includes a recessed portion on the pressure side adjacent to the trailing edge.
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Abstract
An airfoil cluster includes an inner diameter platform and an outer diameter platform. A plurality of airfoils extend radially from the inner diameter platform to the outer diameter platform. Each airfoil has a leading edge and a trailing edge, and pressure and suction sides between the leading and trailing edges. At least one of the airfoils includes a recessed portion on the pressure side adjacent to the trailing edge.
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Citations
18 Claims
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1. An airfoil cluster comprising:
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an inner diameter platform; an outer diameter platform; and a plurality of airfoils extending radially from the inner diameter platform to the outer diameter platform, each airfoil having a leading edge and a trailing edge, and pressure and suction sides between the leading and trailing edges, wherein at least one of the airfoils includes a recessed portion on the pressure side adjacent to the trailing edge. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for adjusting flow area between airfoils in a cluster:
manufacturing an airfoil cluster including; an inner diameter platform; an outer diameter platform; and a plurality of airfoils extending radially from the inner diameter platform to the outer diameter platform, each airfoil having a leading edge and a trailing edge, and pressure and suction sides between the leading and trailing edges, wherein manufacturing the airfoil cluster includes generating a recessed portion on the pressure side of at least one of the airfoils adjacent to the trailing edge to adjust a throat distance between at least two of the airfoils. - View Dependent Claims (8, 9, 10, 11)
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12. An airfoil comprising:
an airfoil body having a leading edge and a trailing edge with an exterior surface therebetween, wherein the exterior surface includes a recessed portion on a pressure side of the airfoil adjacent to the trailing edge. - View Dependent Claims (13, 14, 15, 16, 17, 18)
Specification