Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1993-05-07
1994-12-06
Cummings, Scott W.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 53, 277173, 277192, F16J 15447
Patent
active
053704029
ABSTRACT:
A compliant seal device for sealing a high pressure area from a low pressure area. The compliant seal device comprises a base member including an annular base wall, a first wall extending radially inward from the base wall proximate the high pressure area and a second wall extending radially inward from the base wall proximate the low pressure area, the base member having a cavity formed therein between the first wall and the second wall. The compliant seal device further comprises a plurality of flexible sheet members extending between the first wall and the second wall, each of the plurality of flexible sheet members having a base end fixed to the first wall and a moveable free end in sealing engagement with the second wall to substantially enclose the cavity with an adjustable pressure therein.
REFERENCES:
patent: 4042248 (1977-08-01), Williamitis
patent: 4398725 (1983-08-01), Maegawa
patent: 5100158 (1992-03-01), Gardner
patent: 5221096 (1993-06-01), Heldreth et al.
J. Gardner et al., "A New Compliant Seal Concept for Aerospace Applications," presented and published in the Proceedings of the Fourth International Symposium on Transport Phenomena and Dynamics of Rotating Machinery (ISROMAC-4) Honolulu, Hi., Apr. 5-8, 1992, pp. 593-612.
Gardner James F.
Ma Hai-Ping
Cummings Scott W.
EG&G Sealol Inc.
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