Planetary gear transmission systems or components – Planetary gearing or element
Reexamination Certificate
2011-06-14
2011-06-14
Lewis, Tisha D (Department: 3655)
Planetary gear transmission systems or components
Planetary gearing or element
C475S346000, C060S721000
Reexamination Certificate
active
07959532
ABSTRACT:
A hydraulic seal for a tip turbine engine includes an inner radial flange and an outer radial flange. The inner radial flange rotates relative to the outer radial seal section and the planet carrier face to prevent lubrication from entering into the air flow streams within the engine without additional engine assembly procedures.
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Merry Brian
Portlock Lawrence E.
Suciu Gabriel L.
Carlson Gaskey & Olds P.C.
Lewis Tisha D
United Technologies Corporation
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