NASA NTRS · 19920000704
Thermal Barrier For Vented O-Ring Seal
Abstract
Barrier allows gases to seat seal without damaging it. Ring of tungsten-wire mesh forms protective barrier between hot, pressurized combustion gases and O-rings. Mesh cools and depressurizes gases so they safely push on and thereby help to seat primary O-ring or secondary O-ring if primary O-ring fails to form seals. Barrier devised for use in rocket motor. Potential terrestrial applications includes aircraft engines, furnaces, and ducts carrying hot gases.
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Schick, H., Shadlesky, Philip S., Perry, Mark C., Ketner, Donald M., Salita, Mark. 1992-11-01. Thermal Barrier For Vented O-Ring Seal. https://ntrs.nasa.gov/citations/19920000704
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