Damping seal for turbomachinery

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member

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Details

415174, F16S 1544, F01D 1108

Patent

active

045455864

ABSTRACT:
A damping seal between a high speed rotor member (30) and stator member (33) that separates pressurized fluid compartments which is characterized by the rotor member having a smooth outer surface and the stator member having its bore surface roughened by a plurality of pockets or depressions.

REFERENCES:
patent: 2327867 (1943-06-01), Meyer
patent: 2998991 (1961-09-01), Spencer
patent: 3137602 (1964-06-01), Lincoln
patent: 3867001 (1975-02-01), Moskowitz
patent: 4060250 (1977-11-01), Davis et al.
patent: 4162077 (1979-04-01), Crow et al.
patent: 4384725 (1983-05-01), Nenov
patent: 4429883 (1984-02-01), Nakanishi

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