Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between runner portion and static part – Erodable or permanently deformable
Patent
1979-11-20
1981-10-20
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
042957869
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 yieldingly deformable porous material covered with a thin ductile layer. A mounting fixture surrounds the backing.
REFERENCES:
patent: 3887299 (1975-06-01), Profant
patent: 4022481 (1977-05-01), Long et al.
patent: 4135851 (1979-01-01), Bill et al.
patent: 4207024 (1980-06-01), Bill et al.
Bill Robert C.
Ludwig Lawrence P.
Manning John R.
Musial Normal T.
Powell Jr. Everette A.
Shook Gene E.
The United States of America as represented by the Administrator
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