Cooling circuit for a gas turbine bucket and tip shroud

Patent · Tue Jan 01 00:00:00 EST 2002

OSTI ID:874967

Willett, Fred Thomas ^[1]; Itzel, Gary Michael ^[2]; Stathopoulos, Dimitrios ^[3]; Plemmons, Larry Wayne ^[4]; Plemmons, Helen M ^[5]; Lewis, Doyle C ^[6]

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1. 25 Long Creek Dr., Burnt Hills, NY 12027
2. 12 Cider Mill Dr., Clifton Park, NY 12065
3. 11 Wyngate Rd., Glenmont, NY 12077
4. late of Hamilton, OH
5. 2900 Long Ridge Trails, Hamilton, OH 45014
6. 444 River Way, Greer, SC 29651

An open cooling circuit for a gas turbine bucket wherein the bucket has an airfoil portion, and a tip shroud, the cooling circuit including a plurality of radial cooling holes extending through the airfoil portion and communicating with an enlarged internal area within the tip shroud before exiting the tip shroud such that a cooling medium used to cool the airfoil portion is subsequently used to cool the tip shroud.

• Research Organization: General Electric Co., Schenectady, NY (United States)
• DOE Contract Number: FC21-95MC31176
• Assignee: Willett; Fred Thomas (25 Long Creek Dr., Burnt Hills, NY 12027); Itzel; Gary Michael (12 Cider Mill Dr., Clifton Park, NY 12065); Stathopoulos; Dimitrios (11 Wyngate Rd., Glenmont, NY 12077); Plemmons; Larry Wayne (late of Hamilton, OH); Plemmons; Helen M. (2900 Long Ridge Trails, Hamilton, OH 45014); Lewis; Doyle C. (444 River Way, Greer, SC 29651)
• Patent Number(s): US 6499950
• OSTI ID: 874967
• Country of Publication: United States
• Language: English

Related Subjects

cooling
circuit
gas
turbine
bucket
tip
shroud
airfoil
portion
including
plurality
radial
holes
extending
communicating
enlarged
internal
exiting
medium
cool
subsequently
gas turbine
cooling circuit
circuit including
holes extending
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