Fluid sprinkling – spraying – and diffusing – Distributor continuously moves relative to support during... – Fluid motive means
Reexamination Certificate
2004-09-03
2008-01-08
Shaver, Kevin (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Distributor continuously moves relative to support during...
Fluid motive means
C239S225100, C239S260000, C239S132500, C062S050100, C062S052100
Reexamination Certificate
active
07316363
ABSTRACT:
According to an embodiment of the present invention, a rotating nozzle assembly includes a rotatable shaft having a bore to transport a cryogenic fluid therethrough. The rotatable shaft has an upstream portion associated with a feed chamber and a downstream portion. The nozzle assembly further includes a seal disposed within the feed chamber and surrounding at least a portion of the rotatable shaft, and a seal backup disk disposed proximate the seal. The seal backup disk includes an orifice surrounding an outside diameter of the rotatable shaft, the orifice having a diameter such that, when the cryogenic fluid is flowing through the bore of the rotatable shaft, the rotatable shaft can freely rotate while the seal prevents the cryogenic fluid from seeping past the seal.
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Fekete Leslie J.
Hume Howard R.
Palmer Gary L.
Warnecke Ronald R.
Baker & Botts L.L.P.
Hogan James S.
NitroCision LLC
Shaver Kevin
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