Composite seal for turbomachinery

Details Composite seal for turbomachinery Composite seal for turbomachinery

1978-08-04

1980-06-10

Powell, Jr., Everette A.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Erodable or permanently deformable

415196, F01D 1108

Patent

active

042070244

ABSTRACT:
A gas path seal suitable for use with a turbine engine or compressor is provided. A shroud wearable or abradable by the abrasion of the rotor blades of the turbine or compressor shrouds the rotor blades. A compliant backing surrounds the shroud. The backing is a compliant material covered with a thin ductile layer. A mounting fixture surrounds the backing.

REFERENCES:
patent: 2952442 (1960-09-01), Warnken
patent: 3423070 (1969-01-01), Corrigan
patent: 3519282 (1970-07-01), Davis
patent: 3545944 (1970-12-01), Emanuelson et al.
patent: 3880550 (1975-04-01), Corey et al.
patent: 3887299 (1975-06-01), Profant
patent: 4022481 (1977-05-01), Long et al.
patent: 4063742 (1977-12-01), Watkins, Jr.
patent: 4135851 (1979-01-01), Bill et al.
patent: 4139376 (1979-02-01), Erickson et al.

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