US 11,834,965 B2
Blade dovetail and retention apparatus
Nicholas Joseph Kray, West Chester, OH (US); and Ian F. Prentice, Cincinnati, OH (US)
Assigned to General Electric Company, Schenectady, NY (US)
Filed by General Electric Company, Schenectady, NY (US)
Filed on Aug. 24, 2021, as Appl. No. 17/410,754.
Claims priority of provisional application 63/070,259, filed on Aug. 25, 2020.
Prior Publication US 2022/0098991 A1, Mar. 31, 2022
Int. Cl. F01D 7/00 (2006.01); F01D 5/30 (2006.01); F01D 5/32 (2006.01); F04D 29/32 (2006.01); F04D 29/36 (2006.01); F04D 29/34 (2006.01); B64C 11/34 (2006.01); B64C 11/06 (2006.01)
CPC F01D 7/00 (2013.01) [F01D 5/30 (2013.01); F01D 5/3007 (2013.01); F01D 5/3015 (2013.01); F01D 5/3023 (2013.01); F01D 5/32 (2013.01); F01D 5/323 (2013.01); F04D 29/323 (2013.01); F04D 29/34 (2013.01); F04D 29/362 (2013.01); B64C 11/06 (2013.01); B64C 11/343 (2013.01); F05B 2260/74 (2013.01); F05B 2260/77 (2013.01); F05D 2220/32 (2013.01); F05D 2220/323 (2013.01); F05D 2240/30 (2013.01); F05D 2260/70 (2013.01); F05D 2260/74 (2013.01)] 15 Claims
OG exemplary drawing
 
1. 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.