Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between runner portion and static part – Resilient – flexible – or resiliently biased
Reexamination Certificate
2007-05-15
2007-05-15
Look, Edward K. (Department: 3745)
Rotary kinetic fluid motors or pumps
Bearing, seal, or liner between runner portion and static part
Resilient, flexible, or resiliently biased
C415S170100
Reexamination Certificate
active
11034764
ABSTRACT:
A ring seal is mounted in the annular gap between a shroud platform overhanging portion and the surrounding shroud support to minimize cooling air leakage through the shroud.
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Durocher Eric
Jutras Martin
Look Edward K.
Ogilvy Renault LLP
Pratt & Whitney Canada Corp.
Wiehe Nathan
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