Seal accommodating thermal expansion between adjacent casings in

Details Seal accommodating thermal expansion between adjacent casings in Seal accommodating thermal expansion between adjacent casings in

1991-09-03

1992-08-25

Look, Edward K.

Rotary kinetic fluid motors or pumps

Including thermal expansion joint

Radially sliding

4151701, 4152141, 277 12, 277237R, 285187, 285320, 285363, 403 28, 403161, F01D 2526

Patent

active

051413930

ABSTRACT:
A casing around a turbine and a casing around discharge nozzles have a concentrically arranged shell portion. The seal contains internal pressure while accommodating eccentric, expansion and axial travel. Arcuate seal segments have one leg sealing against a radial surface extending from the inner shell and the other leg against the outer shell. A linkage guides travel of the segments.

REFERENCES:
patent: 2638743 (1953-05-01), Feilden
patent: 3698743 (1972-10-01), Sweet et al.
patent: 3853336 (1974-12-01), Shank
patent: 4098476 (1978-07-01), Jutte et al.
patent: 4184689 (1980-01-01), Brodell et al.
patent: 4696619 (1987-09-01), Lardellier
patent: 4921680 (1990-05-01), Bonk et al.
patent: 5088775 (1992-02-01), Corsmeier et al.

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