Seal for a joint or juncture – Seal between relatively movable parts – Close proximity seal
Reexamination Certificate
2007-02-20
2010-10-05
Patel, Vishal (Department: 3676)
Seal for a joint or juncture
Seal between relatively movable parts
Close proximity seal
C277S421000
Reexamination Certificate
active
07806410
ABSTRACT:
A stationary labyrinth seal system includes a seal housing having an annular cavity, a plurality of damping devices, and a retaining ring. The damping devices are positioned within the annular cavity and are maintained within the annular cavity by the retaining ring.
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“Nature, Causes, and Prevention of Labyrinth Air Seal Failures”, Alford, J.S.,J. Aircraft, vol. 12, No. 4, Apr. 1975, pp. 313-318.
Davis Gary A.
El-Aini Yehia M.
Mitchell William S.
Montgomery Stuart K.
Roberts Lawrence P.
Kinney & Lange , P.A.
Patel Vishal
United Technologies Corporation
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