Multi-layer seal member

Details Multi-layer seal member Multi-layer seal member

1992-10-09

1994-10-25

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 26, 277227, 87 8, F16J 1500

Patent

active

053582624

ABSTRACT:
A seal for use at high temperatures in an interface between a ceramic component and a metal component has a multi-layer construction arranged so that the seal expands disproportionately more in cross-section than in elongation at increasing operating temperatures. The seal comprises a central core made up of a bundle of elongate ceramic fibers surrounded by a layer of braided metal wire and an outer sheath of braided ceramic fiber. The seal may be formed as an O-ring.

REFERENCES:
patent: 3284163 (1966-11-01), Dear
patent: 3836159 (1974-09-01), Dryer
patent: 4441726 (1984-04-01), Uhl
patent: 4576081 (1986-03-01), Fellhuis
patent: 4657795 (1987-04-01), Foret
patent: 5082293 (1992-01-01), Steinetz et al.
patent: 5165323 (1992-11-01), Sato
patent: 5253318 (1993-10-01), Sayegh et al.
NASA Tech Brief, Fall 1979, p. 430 Flexible Heat and Pressure Seal (Author Unknown).

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