Single-price labyrinth seal structure

Details Single-price labyrinth seal structure Single-price labyrinth seal structure

1990-09-17

1991-12-17

Look, Edward K.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Vane or deflector

415134, 415136, 416204A, 416217, 416219R, 416220R, 416224, 403355, 403378, F01D 900

Patent

active

050730843

ABSTRACT:
The normally multi-part gas turbine engine labyrinth seal outer portion which carries an abradable lining, is formed from a single piece and has a groove machined in its periphery for the receipt of the feet of respective stator vanes. Pins are fitted in pairs through the walls of the groove to provide lateral location for the feet. The pins and a groove liner are made from an anti-frettage material.

REFERENCES:
patent: 1909353 (1933-05-01), Hughes et al.
patent: 2872156 (1959-02-01), Brawn
patent: 2955800 (1960-10-01), Miller et al.
patent: 3356340 (1967-12-01), Bobo
patent: 3867066 (1975-02-01), Canova et al.

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