Pipe joints or couplings – With heating or cooling
Patent
1980-04-07
1982-04-06
Callaghan, Thomas F.
Pipe joints or couplings
With heating or cooling
285 47, 285190, F16L 5300
Patent
active
043232680
ABSTRACT:
A pressure-tight, rotary pipe coupling joins rotating, high temperature fluid transmission lines. Pressure seals of the coupling are maintained at a temperature lower than that of the high temperature or primary transmitted fluid by thermally insulating the seals from the high temperature fluid and by pumping a fluid coolant through annular cavities located adjacent the seals. A balanced pressure structure substantially eliminates thrust forces between the coupling members and reduces rotating friction.
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Callaghan Thomas F.
Crowder, Jr. Albert M.
E-Systems Inc.
Wilder Robert V.
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