Method and replacement member for repairing a gas turbine engine

Details Method and replacement member for repairing a gas turbine engine Method and replacement member for repairing a gas turbine engine

1980-03-19

1981-12-15

Smith, Leonard E.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

With runner having corrosion resistant or nonmetallic portion

291568H, 2940213, F01D 902, B23P 600

Patent

active

043056970

ABSTRACT:
A gas turbine engine air cooled vane assembly which includes inner and outer platform members and an airfoil member therebetween is repaired by removing from the vane assembly a vane assembly segment comprising at least a portion of the leading edge wall, a portion of the airfoil body wall and a portion of at least one platform member connected with the leading edge wall. The vane assembly segment is removed along a preselected path which, during operation of the vane assembly in a gas turbine engine, experiences relatively low mechanical stresses. A replacement member of substantially the same type of material and of a size and shape which matches the removed vane assembly segment is placed into registry with the vane assembly and then metallurgically bonded to the vane assembly.

REFERENCES:
patent: 3275295 (1966-09-01), Caldwell et al.
patent: 3394918 (1968-07-01), Wiseman
patent: 3574924 (1971-04-01), Dibble
patent: 3650635 (1972-03-01), Wachtell et al.
patent: 3797085 (1974-03-01), Aartman
patent: 3802046 (1974-04-01), Wachtell et al.
patent: 4214355 (1980-07-01), Zelahy
Technical Report AFML TR-73-166-Jul. 1973, Metals Branch, Manufacturing Tech. Div., AFML, Air Force Systems Command, USAF, Wright-Patterson Air Force Base, Ohio 45433.

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