Seal for a joint or juncture – Seal between relatively movable parts – Close proximity seal
Reexamination Certificate
2005-01-25
2005-01-25
Pickard, Alison K. (Department: 3676)
Seal for a joint or juncture
Seal between relatively movable parts
Close proximity seal
C277S427000, C277S431000
Reexamination Certificate
active
06845987
ABSTRACT:
The present invention relates to a seal assembly for use in a rotary machine. The seal assembly comprises a first member and a seal carrier mounted to the first member by a mounting member, a second member spaced from the first member and a seal running member positioned on the second member, and a hydraulic seal for preventing gas leaking from a high pressure source to a low pressure compartment through the mounting member.
REFERENCES:
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patent: 4156530 (1979-05-01), Rivkin et al.
patent: 5239750 (1993-08-01), Wright
patent: 5813674 (1998-09-01), Dickie et al.
patent: 5904356 (1999-05-01), Mundy
patent: 6164658 (2000-12-01), Collin
patent: 6516618 (2003-02-01), Bock
patent: 6568688 (2003-05-01), Boeck
patent: 6658987 (2003-12-01), Oberhauser
patent: 2 125 118 (1984-02-01), None
patent: WO 03025438 (2003-03-01), None
Bachman & LaPointe P.C.
Pickard Alison K.
United Technologies Corporation
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