Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between runner portion and static part – Between blade edge and static part
Reexamination Certificate
2007-10-16
2011-11-22
Nguyen, Ninh H (Department: 3745)
Rotary kinetic fluid motors or pumps
Bearing, seal, or liner between runner portion and static part
Between blade edge and static part
C415S173400, C415S174400
Reexamination Certificate
active
08061978
ABSTRACT:
Systems and methods involving air seals are provided. In this regard, a representative air seal for a gas turbine engine comprises a layer of ceramic exhibiting patterned surface features, wherein a substrate supporting the layer of ceramic lacks the patterned surface features.
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Strock Christopher W.
Tholen Susan M.
Nguyen Ninh H
United Technologies Corp.
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