Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Reexamination Certificate
2006-12-05
2006-12-05
Patel, Vishal (Department: 3673)
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
C277S369000, C277S371000
Reexamination Certificate
active
07144015
ABSTRACT:
A tandem gas seal assembly is described for sealing between the rotor and the casing of a rotary machine. The assembly comprises two sealing stages10, 12mounted axially adjacent to one another on the machine rotor. In the invention, wherein the two stages10and12are totally separable from one another and each is capable of functioning as a seal when separated from the other.
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Hutchins Steven Everett
Reed Julian Oliver
Roberts-Haritonov Lev Uryevich
Corac Group PLC
Fleit Kain Gibbons Gutman Bongini & Bianco P.L.
Gibbons Jon A.
Patel Vishal
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