Seal for a joint or juncture – Seal between relatively movable parts – Close proximity seal
Reexamination Certificate
2006-06-06
2006-06-06
Kreck, John (Department: 3673)
Seal for a joint or juncture
Seal between relatively movable parts
Close proximity seal
Reexamination Certificate
active
07055827
ABSTRACT:
An improved oil seal is provided for sealing passage of a rotatable shaft through an end wall of a bearing housing in a turbomachine or the like, wherein the shaft is rotatably supported within the bearing housing by oil-lubricated bearings. The improved oil seal comprises a dynamic oil-air separator and a slinger rotor mounted on the shaft for rotation therewith, the slinger rotor having an outwardly extending slinger ring with an outboard seal face with radially oriented slots and a circumferential groove or grooves.
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Giesler William L.
Langston Todd A.
Ingrassis Fisher & Lorenz
Kreck John
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