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US 5,085,443 AGranted
Labyrinth seal
AssigneeAmoco Corporation
InventorRobert L. Richards
Life of this patent
Estimating the term…
Abstract
This invention relates to a labyrinth seal comprising a first side in alignment with a radial axis and a second side opposite said first side, said first and said second side each including an inclined tooth, and an inner-axial surface in alignment with an axial axis and an outer-axial surface opposite said inner-axial surface having at least one hole extending to said inner-axial surface, said inner-axial surface including a plurality of teeth extending substantially inwardly toward the axial axis having grooves therebetween.
Claims18
A floating labyrinth seal comprising:
- a first side in alignment with a radial axis and a second side opposite said first side, said first and said second side each including a generally axially extending inclined tooth, and an inner-axial surface in alignment with an axial axis and an outer-axial surface opposite said inner-axial surface having at least one purge opening extending to said inner-axial surface, said inner-axial surface including at least four teeth each having an apex extending substantially inwardly toward the axial axis having grooves therebetween.
A floating labyrinth seal comprising:
- a first side in alignment with a radial axis and a second side opposite said first side, said first and said second side each including a plurality of generally axially extending inclined teeth extending away from an axial axis, and an inner-axial surface in alignment with the axial axis and an outer-axial surface opposite said inner-axial surface having at least one purge opening extending to said inner-axial surface, said inner-axial surface including at least four inclined teeth each having an apex extending generally toward the axial axis in a direction pointing away from said purge opening and having grooves therebetween.
Dependencies are inferred from the claim text.