Turbomachine blade trailing edge cooling circuit with turn passage having set of obstructions

Patent · Tue Nov 14 04:00:00 EST 2023

OSTI ID:2293858

Dyson, Thomas Earl; Rathay, Nicholas William; Fredmonski, Adam John

A turbomachine blade, and a coupon for a turbomachine blade, are disclosed. The blade may include an airfoil body having a pressure side and a suction side connected by a leading edge and a trailing edge, a coolant feed passage defined in the airfoil body, and a coolant reuse passage defined in the airfoil body. The blade may also include a first cooling circuit defined in the airfoil body. The first cooling circuit may include a rearward passage extending toward the trailing edge from and fluidly coupled to the coolant feed passage, and a radially spreading return passage extending away from the trailing edge toward and fluidly coupled to the coolant reuse passage. The cooling circuit may also include a radially extending turn passage coupling the rearward passage and the radially spreading return passage. A first set of obstructions may be positioned in the radially extending turn passage.

• Research Organization: General Electric Co., Schenectady, NY (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: FE0031616
• Assignee: General Electric Company (Schenectady, NY)
• Patent Number(s): 11,814,965
• Application Number: 17/454,363
• OSTI ID: 2293858
• Country of Publication: United States
• Language: English