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US 11,834,965 B2Granted
Blade dovetail and retention apparatus
AssigneeGeneral Electric Company
InventorsNicholas Joseph Kray, Ian F. Prentice
Life of this patent
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Abstract
Methods, apparatus, systems, and articles of manufacture are disclosed for a slot to accommodate a blade of an engine. An example blade apparatus includes: a collet including a slot to receive an end of a blade; and a plurality of retainers including a first retainer positioned on a first end of the collet and a second retainer positioned on a second end of the collet to provide axial retention for the blade in the slot.
Claims15
A blade apparatus comprising:
- a collet including a slot to receive an end of a blade;
- and
- a plurality of straps including a first strap positioned across and outside a first terminal end of the slot and a second strap positioned across and outside a second terminal end of the slot to provide axial retention for the blade in the slot, the collet including a first ramp and a second ramp positioned across the first terminal end to retain and support the first strap and including a third ramp and a fourth ramp positioned across the second terminal end to retain and support the second strap, the first ramp, the second ramp, and the first strap forming a first slot stiffener and the third ramp, the fourth ramp, and the second strap forming a second slot stiffener.
An open rotor engine apparatus comprising:
- a rotatable hub;
- a collet positioned on the rotatable hub, the collet including a slot to receive an end of a blade;
- and
- a plurality of straps including a first strap positioned across and outside a first terminal end of the slot and a second strap positioned across and outside a second terminal end of the slot to provide axial retention for the blade in the slot, the collet including a first ramp and a second ramp positioned across the first terminal end to retain and support the first strap and including a third ramp and a fourth ramp positioned across the second terminal end to retain and support the second strap, the first ramp, the second ramp, and the first strap forming a first slot stiffener and the third ramp, the fourth ramp, and the second strap forming a second slot stiffener.
1 more element
Dependencies are inferred from the claim text.