Seal for a joint or juncture – Seal between relatively movable parts – Close proximity seal
Reexamination Certificate
2011-03-01
2011-03-01
Patel, Vishal (Department: 3676)
Seal for a joint or juncture
Seal between relatively movable parts
Close proximity seal
C277S412000, C415S173100, C415S231000
Reexamination Certificate
active
07896352
ABSTRACT:
A hybrid seal for sealing the circumferential gap between a first machine component and a second machine component comprises at least one shoe extending along one of the machine components in a position to create a non-contact seal, at least one spring element connected between one of the machine components and the shoe(s) and a stack of sealing elements located within a slot formed in the shoe(s), wherein a primary seal and secondary seal of the circumferential gap is created by the shoe(s) in cooperation with the spring element(s) and sealing elements, respectively.
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GrayRobinson, P.A.
Patel Vishal
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