Turbine Rotor Non-Metallic Blade Attachment
First Claim
1. An engine disk and blade combination comprising:
- a metallic disk having;
a plurality of first blade attachment slots; and
a plurality of second blade attachment slots, circumferentially interspersed with the first attachment slots;
a circumferential array of first blades, each first blade comprising;
an airfoil; and
an attachment root, the attachment root received in an associated respective said first attachment slot; and
a circumferential array of second blades, each second blade comprising;
an airfoil; and
an attachment root, the attachment root received in an associated respective said second attachment slot,wherein;
the first blades and second blades are non-metallic;
the first blades are radially longer than the second blades; and
the first slots are radially deeper than the second slots.
3 Assignments
0 Petitions
Accused Products
Abstract
In an engine disk and blade combination, the metallic disk has a plurality of first blade attachment slots and a plurality of second blade attachment slots circumferentially interspersed with each other. There is a circumferential array of a plurality of first blades. Each first blade has an airfoil and an attachment root. The attachment roots are respectively received in associated said first attachment slots. There is a circumferential array of second blades. Each second blade has an airfoil and an attachment root. The attachment roots are respectively received in associated said second slots. The first blades and second blades are non-metallic. The first blades are radially longer than the second blades. The first slots are radially deeper than the second slots.
29 Citations
14 Claims
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1. An engine disk and blade combination comprising:
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a metallic disk having;
a plurality of first blade attachment slots; and
a plurality of second blade attachment slots, circumferentially interspersed with the first attachment slots;a circumferential array of first blades, each first blade comprising;
an airfoil; and
an attachment root, the attachment root received in an associated respective said first attachment slot; anda circumferential array of second blades, each second blade comprising;
an airfoil; and
an attachment root, the attachment root received in an associated respective said second attachment slot,wherein; the first blades and second blades are non-metallic; the first blades are radially longer than the second blades; and the first slots are radially deeper than the second slots. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification