Bucket platform cooling scheme and related method

Patent · Tue Jan 01 00:00:00 EST 2002

OSTI ID:874867

Abuaf, Nesim ^[1]; Barb, Kevin Joseph ^[2]; Chopra, Sanjay ^[3]; Kercher, David Max ^[4]; Kellock, Iain Robertson ^[5]; Lenahan, Dean Thomas ^[6]; Nellian, Sankar ^[7]; Starkweather, John Howard ^[8]; Lupe, Douglas Arthur ^[9]

---

1. Lincoln City, OR
2. Halfmoon, NY
3. Greenville, SC
4. Ipswich, MA
5. Simpsonville, SC
6. Cincinnati, OH
7. Mauldin, SC
8. Sharonville, OH
9. Ballston Lake, NY

A turbine bucket includes an airfoil extending from a platform, having high and low pressure sides; a wheel mounting portion; a hollow shank portion located radially between the platform and the wheel mounting portion, the platform having an under surface. An impingement cooling plate is located in the hollow shank portion, spaced from the under surface, and the impingement plate is formed with a plurality of impingement cooling holes therein.

• Research Organization: General Electric Co., Schenectady, NY (United States)
• DOE Contract Number: FC21-95MC31176
• Assignee: General Electric Company (Schenectady, NY)
• Patent Number(s): US 6478540
• OSTI ID: 874867
• Country of Publication: United States
• Language: English

Related Subjects

bucket
platform
cooling
scheme
related
method
turbine
airfoil
extending
pressure
wheel
mounting
portion
hollow
shank
located
radially
surface
impingement
plate
spaced
formed
plurality
holes
located radially
related method
portion located
form coo
/416/