US 12,404,774 B2
Blade fastening assembly and gas turbine including same
Young Seob Kwak, Changwon (KR)
Assigned to DOOSAN ENERBILITY CO., LTD., Changwon (KR)
Filed by DOOSAN ENERBILITY CO., LTD., Changwon (KR)
Filed on Nov. 10, 2023, as Appl. No. 18/507,012.
Claims priority of application No. 10-2023-0011089 (KR), filed on Jan. 27, 2023.
Prior Publication US 2024/0254881 A1, Aug. 1, 2024
Int. Cl. F01D 5/10 (2006.01); F01D 5/02 (2006.01); F01D 5/06 (2006.01); F04D 29/32 (2006.01); F04D 29/64 (2006.01)
CPC F01D 5/10 (2013.01) [F01D 5/025 (2013.01); F01D 5/066 (2013.01); F04D 29/321 (2013.01); F04D 29/644 (2013.01); F05D 2260/36 (2013.01); F05D 2260/96 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A rotor disk assembly comprising:
a rotor disk;
a protrusion formed on one side of a lower portion of the rotor disk; and
a contact protruding from an outer peripheral surface of a tie rod to contact the protrusion to prevent sagging of the tie rod and control vibration,
wherein the protrusion is formed to protrude laterally from a rotor disk bottom surface of a radially inner end of the rotor disk,
wherein a protrusion bottom surface of the protrusion is inclined relative to an elongated direction of the tie rod at a first angle.