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Labyrinth seal
(United States. Patent and Trademark Office, 1993-09-14)
An improved design for a labyrinth seal is disclosed. The present invention relates to a radially stepped labyrinth seal whereby the geometry of the sealing surfaces is to optimize flow deflection, thereby producing maximum ...
Pressure damper diverging labyrinth seals with circumferential partitions, and method of sealing
(United States. Patent and Trademark Office, 1996-07-30)
A damper seal (10) and method of sealing and damping a rotating shaft (12) is provided with a stator housing (14) and at least two sealing blades, an upstream sealing blade (16) and a downstream sealing blade (18). There ...
Modulated pressure damper seals
(United States. Patent and Trademark Office, 1998-08-18)
A damper seal and method of sealing and damping a rotating shaft are disclosed. The damper seal includes a stator housing, a plurality of cavities, a first modulator for modulating the fluid flow into the cavities, and a ...