Pipe joints or couplings – For branched path – Y-type
Patent
1991-10-03
1996-10-15
Arola, Dave W.
Pipe joints or couplings
For branched path
Y-type,
285138, 285156, 285227, 285286, 285904, F16L 4702
Patent
active
055647537
ABSTRACT:
A double walled manifold assembly for a cryogenic fluid, such as liquid oxygen, is assembled as alternating bellows portions and tee portions. The inner bellows portions have a greater axial length than the outer bellows portions to enable welding of an inner conduit assembly with the outer bellows portions surrounding the inner bellows portions. The outer tee portions are fabricated in two pieces which are welded together and to the outer bellows portions to complete the assembly.
REFERENCES:
patent: 3127200 (1964-03-01), Sayag
patent: 3186431 (1965-06-01), Moore
patent: 3195564 (1965-07-01), Carney et al.
patent: 3207533 (1965-09-01), Van Gundy et al.
patent: 3988029 (1976-10-01), Gibson
patent: 4925218 (1990-05-01), Kunz et al.
Arola Dave W.
United Technologies Corporation
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