HYDROSTATIC NON-CONTACT SEAL WITH WEIGHT REDUCTION POCKET

A non-contact seal assembly (28) is provided. The non-contact seal assembly (28) includes a plurality of seal shoes (54) arranged about a centerline (22) in an annular array, the seal shoes (54) include a first seal shoe (54) extending axially along the centerline (22) between a first shoe end (70)...

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Bibliographische Detailangaben
Hauptverfasser: D'AMBRUOSO, Tara L, MECKLENBURG, Dwayne K
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A non-contact seal assembly (28) is provided. The non-contact seal assembly (28) includes a plurality of seal shoes (54) arranged about a centerline (22) in an annular array, the seal shoes (54) include a first seal shoe (54) extending axially along the centerline (22) between a first shoe end (70) and a second shoe end (72). The non-contact seal assembly (28) may comprise a seal base (52) circumscribing the annular array of the seal shoes (54). The non-contact seal assembly (28) may further comprise a plurality of spring elements (56), each of the spring elements (56) radially between and connecting a respective one of the seal shoes (54) with the seal base (52), where the plurality of seal shoes (54) each includes a weight reduction pocket (81) formed in a circumferential region of the seal shoe (54).