Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1991-09-11
1992-09-08
Cuchlinski, Jr., William A.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 70, 277 75, 277 961, 277157, 277192, 277215, F16J 1530, F16J 1534
Patent
active
051451891
ABSTRACT:
A hydro-lift seal for the bore region of a seal segment having a shallow groove inlet on the high pressure side of the seal segment. The shallow groove inlet is aerodynamically connected to a shallow groove which extends in the direction of rotation of a seal race, the seal race being connected to a rotating shaft. The shallow groove is aerodynamically connected to a deep groove which has an interface region which is perpendicular to the shallow groove and a region which is parallel to the shallow groove. A vent groove located on the low pressure side of the seal segment is parallel to that region of the deep grove which is parallel to the shallow groove. A plurality of venting holes is located in the vent groove which connect the vent groove to the high pressure side of the seal segment.
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J. L. Cabe et al.; "Advancing the Mundane Seal"; Leading Edge; pp. 12-15.
Cuchlinski Jr. William A.
Cummings Scott W.
General Electric Company
Rafter John R.
Squillaro Jerome C.
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