Turbomachine labyrinth seal design for oxygen rich process fluids
AssigneeL'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
InventorsEdward Yau, Phong Mai, Bao Ha, Alain Guillard, Michael A. Turney
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Abstract
A gas seal to seal an oxygen-rich process gas within a compressor or expander, including a rotor component having a rotating element and a stator component having a stationary element. Wherein at least a portion of the rotating element includes the teeth of a first labyrinth seal. Wherein the first labyrinth seal is part of a first sealing zone. Wherein at least a portion of the stationary element includes the teeth of a second labyrinth seal. Wherein the second labyrinth seal is part of a second sealing zone.
Claims4
A gas seal to seal an oxygen-rich process gas within a compressor or expander, the comprising:
- a rotor component comprising a rotating element,
- wherein at least a first rotating portion of the rotating element has no labyrinth seal teeth,
- wherein at least a second rotating portion of the rotating element comprises a rotor insert, wherein the rotor insert comprises labyrinth seal teeth,
- a stator component comprising a stationary element,
- wherein at least a first stationary portion of the stationary element comprises labyrinth seal teeth,
- wherein at least a second stationary portion of the stationary element has no labyrinth seal teeth,
- wherein the first rotating portion and the first stationary portion comprise a first sealing zone,
- wherein the second rotating portion and the second stationary portion comprise a second sealing zone.
Dependencies are inferred from the claim text.