F - Mech Eng,Light,Heat,Weapons – 28 – F
Patent
F - Mech Eng,Light,Heat,Weapons
28
F
257/26, 277/50
F28F 7/00 (2006.01) F16J 15/52 (2006.01) F28F 21/04 (2006.01)
Patent
CA 1095893
Abstract of the Disclosure A bellows arrangement for forming a gas leakage resistant pressure seat between ceramic heat exchange tubes has an elong- ated metallic bellows defining a central passageway with first and second ends. A metallic tube passes through the bellows and freely moves with respect to the second end of the bellows while defining a gas chamber between the tube and bellows. Axial expansion of the bellows under the influence of the in- ternal pressure when such pressure is higher than the external pressure which may be the atmosphere acts to apply a force at the interface between the bellows assembly and the ceramic heat exchange tube which is proportional to the internal pres- sure of the heat exchange tube, thereby accommodating movement of the heat exchange tube and providing a pressure seal that is leak resistant. 1.
282789
Bjerklie John W.
Lahaye Paul G.
Hague International
Swabey Ogilvy Renault
LandOfFree
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