Gas turbine vane cooling air insert

Patent · Tue Sep 08 04:00:00 EDT 1992

OSTI ID:6930222

North, W E; Hultgren, K G; Dishman, C D; Van Heusden, G S

This patent describes a gas turbine. It comprises turbine vanes, each of the vanes supplied with cooling air and having: an airfoil portion forming a first cavity having an insert disposed therein for directing the flow of the cooling air, the insert having first and second insert ends; a shroud portion from which the airfoil portion extends, the insert attached to the shroud portion at the first insert end; an insert extension extending through a portion of the insert and extending beyond the first insert end, the insert extension and the insert forming an annular gap therebetween separating the insert from the insert extension; a plate covering at least a portion of the shroud, the plate having a first hole formed therein through which the insert extension extends; and at least a first seal extending between the insert extension and the insert, and sealing the annular gap therebetween. This patent also describes a method of making a gas turbine. It comprises welding a first tubular insert adjacent its first end to a vane outer shroud; partially inserting a second tubular insert into the first tubular member and attaching the second tubular insert thereto; placing a plate having a hole formed therein on the outer shroud so that the hole surrounds the second tubular insert; and attaching the second tubular insert to the plate by placing a first seal between the first and second tubular inserts and attaching the first seal to each of the first and second tubular inserts, and placing a second seal between the second tubular insert and the plate and welding the second seal to the second tubular insert and the plate.

• Assignee: Westinghouse Electric Corp., Pittsburgh, PA (United States)
• Patent Number(s): A; US 5145315
• Application Number: PPN: US 7-766934
• OSTI ID: 6930222
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330103* -- Internal Combustion Engines-- Turbine
42 ENGINEERING
420400 -- Engineering-- Heat Transfer & Fluid Flow
AIR FLOW
COOLING SYSTEMS
ENGINES
FLUID FLOW
GAS FLOW
GAS TURBINE ENGINES
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
REACTOR COMPONENTS
REACTOR COOLING SYSTEMS
SHROUDS