Seal with non-contact adjacent deflector rings

Details Seal with non-contact adjacent deflector rings Seal with non-contact adjacent deflector rings

2004-12-03

2009-12-01

Patel, Vishal (Department: 3676)

Seal for a joint or juncture

Seal between relatively movable parts

Diverse and distinct dynamic seals

C277S347000, C277S349000, C277S412000, C277S418000

Reexamination Certificate

active

07624989

ABSTRACT:
The invention relates to a seal with non-contact adjacent deflector rings, arranged concentrically to each other, about a common rotation axis, whereby, on a first deflector ring of the deflector rings, at least two axially-adjacent radial lips are embodied an said radial lips are embodied such as not to come into contact with a second deflector ring of the deflector rings and an annular hollow cavity is embodied between two axially-adjacent radial lips and the second deflector ring.

REFERENCES:
patent: 2245281 (1941-06-01), Klopak
patent: 3741614 (1973-06-01), Judge
patent: 4466620 (1984-08-01), Orlowski
patent: 4586717 (1986-05-01), Sweeney
patent: 5975533 (1999-11-01), Hubbard et al.
patent: 6302645 (2001-10-01), Kobayashi et al.
patent: 7059827 (2006-06-01), Ingistov
patent: 2002/0060432 (2002-05-01), Webster
patent: 2004/0090013 (2004-05-01), Lawer et al.
patent: 2004/0100029 (2004-05-01), Keller et al.
patent: 2004/0119238 (2004-06-01), Skumawitz et al.

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