US 11,746,666 B2
Voluted hook angel-wing flow discourager
Yong W. Kim, San Diego, CA (US); John F. Lockyer, San Diego, CA (US); and Raymond I. Alvarez, San Diego, CA (US)
Assigned to Solar Turbines Incorporated, San Diego, CA (US)
Filed by Solar Turbines Incorporated, San Diego, CA (US)
Filed on Dec. 6, 2021, as Appl. No. 17/543,475.
Prior Publication US 2023/0175410 A1, Jun. 8, 2023
Int. Cl. F01D 11/00 (2006.01)
CPC F01D 11/001 (2013.01) [F05D 2220/32 (2013.01); F05D 2240/24 (2013.01); F05D 2240/35 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A flow discourager for a turbine, the flow discourager comprising:
a body integrated into a platform of a stator assembly that is downstream from a rotor assembly; and
a hook portion that extends upstream from the body beyond any other portion of the platform of the stator and any other portion of the flow discourager and hooks back towards the body,
wherein the hook portion comprises a continuous external surface that defines a recirculation zone radially inward from a rotor platform of the rotor assembly.