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US 2022/0025974 A1Published application
Labyrinth seal
AssigneeOrion Engineered Seals, LLC
InventorsRandall JASKOT, Woodrow NEPA, Todd BRICKSON
Life of this patent
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AssigneeOrion Engineered Seals, LLC
InventorsRandall JASKOT, Woodrow NEPA, Todd BRICKSON
Estimating the term…
A labyrinth seal including a stator and a non-contacting rotor, and annular elastomeric seals. The confronting surfaces of the stator and rotor define at least one interface passage, including a radially-outermost annular interface passage between an annular, outermost, radially-extending projection of the stator and an annular rearwardly-extending distal projection of the rotor that overlaps the radially-extending projection of the stator, the radially-outermost annular interface passage tapering outwardly and rearwardly at an acute angle relative to an axial reference line. The annular elastomeric seals are stationary with the stator during dynamic operation of the rotor, and are not contacted by a surface of the rotor during dynamic operation. The interface can also have two radially-disposed exclusion chambers, the outer exclusion chamber being defined in part by a radially-inboard projection of the rotor. The stator can have a projection providing a contact avoidance interface position inboard of at least two contaminant-excluding interfaces.
A labyrinth seal including a stator and a non-contacting rotor, and including at least one annular elastomeric seal, and at least one interface passage disposed between the confronting surfaces of the stator and rotor, the at least one interface passage including a radially-outermost annular interface passage between an annular, outermost, radially-extending projection of the stator and an annular rearwardly-extending distal projection of the rotor that includes an annular inner surface that overlaps the radially-extending projection of the stator, the radially-outermost annular interface passage tapering outwardly and rearwardly at an acute angle relative to an axial reference line.
A labyrinth seal including a stator and a non-contacting rotor, and including at least one annular elastomeric seal, wherein the at least one annular elastomeric seal is stationary with the stator during dynamic operation of the rotor, and is not contacted by a surface of the rotor during dynamic operation.
-13. (canceled)
-22. (canceled)
A labyrinth seal including a stator and a rotor having a plurality of interface passages disposed between the confronting surfaces of the stator and rotor,
Dependencies are inferred from the claim text.