Arrangement for sealing structural members using a V-shaped inse

Details Arrangement for sealing structural members using a V-shaped inse Arrangement for sealing structural members using a V-shaped inse

1993-05-06

1994-08-16

Look, Edward K.

Rotary kinetic fluid motors or pumps

Including thermal expansion joint

Circumferentially spaced nozzle or stator segments

415138, 415191, 277199, F01D 1100

Patent

active

053381521

ABSTRACT:
An arrangement for sealing structural members particularly in the case of turbo-engines is provided. A structural member is to be divided along a first plane into segments, which can be moved relative to one another, and is to be movable in a second plane which is angularly offset with respect to the first plane. Projections of the segments sealingly engage in a groove of an additional structural member. Expansion gaps, which are arranged between abutting edges of the segments, are to be sealed off longitudinally and transversely with respect to the course of the gap by sealing plates. In this case, each expansion gap is to be sealed off between a sealing plate arranged transversely to the course of the gap and an opposing surface of the groove acting as a sealing surface by means of a V-shaped insert. The V-shaped insert is actuated by a local pressure difference; is arranged using free legs which spread open in the direction of the groove base; and is expanded in the direction of the opposite sealing surface of the groove.

REFERENCES:
patent: 3112915 (1963-12-01), Morris
patent: 3728041 (1973-04-01), Bertelson
patent: 3970318 (1976-07-01), Tuley
patent: 4439982 (1984-04-01), Weiler et al.
patent: 4524980 (1985-06-01), Lillibridge et al.
patent: 5154577 (1992-10-01), Kellock et al.

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