Rotary kinetic fluid motors or pumps – Selectively adjustable vane or working fluid control means – Upstream of runner
Reexamination Certificate
2007-06-20
2011-10-18
Look, Edward (Department: 3745)
Rotary kinetic fluid motors or pumps
Selectively adjustable vane or working fluid control means
Upstream of runner
C415S229000, C384S215000
Reexamination Certificate
active
08038387
ABSTRACT:
A bearing for a turbomachine variable pitch stator vane pivot mounted in a bore of the turbomachine casing is disclosed. The bearing includes an inner bushing secured to the pivot and an outer bushing secured to the bore. An elastomeric material is inserted between the inner bushing and the outer bushing to allow the vane to pivot about its axis and absorb at least some of the flexing of the pivot at right angles to the axis. The design makes it possible to reduce bearing bushing wear.
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Houradou Emmanuel
Hulin Herve
Juste Sebastien
Raulin Dominique
Ellis Ryan
Look Edward
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
SNECMA
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