Gas turbine bucket cooling circuit and related process

Patent · Tue Jan 01 00:00:00 EST 2002

OSTI ID:874446

Lewis, Doyle C ^[1]; Barb, Kevin Joseph ^[2]

---

1. Greer, SC
2. Halfmoon, NY

A turbine bucket includes an airfoil portion having leading and trailing edges; at least one radially extending cooling passage within the airfoil portion, the airfoil portion joined to a platform at a radially inner end of the airfoil portion; a dovetail mounting portion enclosing a cooling medium supply passage; and, a crossover passage in fluid communication with the cooling medium supply passage and with at least one radially extending cooling passage, the crossover passage having a portion extending along and substantially parallel to an underside surface of the platform.

• Research Organization: General Electric Co., Schenectady, NY (United States)
• DOE Contract Number: FC21-95MC31176
• Assignee: General Electric Company (Schenectady, NY)
• Patent Number(s): US 6390774
• OSTI ID: 874446
• Country of Publication: United States
• Language: English

Related Subjects

gas
turbine
bucket
cooling
circuit
related
process
airfoil
portion
leading
trailing
edges
radially
extending
passage
joined
platform
inner
dovetail
mounting
enclosing
medium
supply
crossover
fluid
communication
substantially
parallel
underside
surface
gas turbine
fluid communication
cooling circuit
/416/