Shroud fitting

Details Shroud fitting Shroud fitting

1989-11-22

1992-07-28

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Lashing between working members or external bracing

Peripheral

292811, 292815, 2988921, 269 43, F01D 522

Patent

active

051336430

ABSTRACT:
Fitting a shroud band to the tenons located at the tips of a blade of a turbine uses a jig. The precise location of the tenons relative to pitch, radial and axial location is determined by fingers which can interlock with an elongated segment. The fingers have apertures which define the position of the tenons. The apertures in the fingers are transferred to a shroud band into which apertures are formed. The shroud band is progressively apertured to form a long arc shroud for adjacent blades of the turbine.

REFERENCES:
patent: 3279751 (1966-10-01), Ortolano
patent: 3417964 (1968-12-01), Ortolano
patent: 3503696 (1970-03-01), Bauger et al.
patent: 4066384 (1978-01-01), DiFerdinando
patent: 4482297 (1984-11-01), Mosimann et al.
patent: 4732536 (1988-03-01), Lejars et al.

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