Pipe joints or couplings – With fluid pressure seal
Patent
1981-03-05
1983-09-20
Callaghan, Thomas F.
Pipe joints or couplings
With fluid pressure seal
285136, 285190, F16L 3904
Patent
active
044051620
ABSTRACT:
A pipe swivel joint for simultaneous transfer of a plurality of separate fluids between a plurality of inlet conduits and a plurality of corresponding outlet conduits comprises a plurality of stacked sections or stages of staggered diameter which are readily removable for repair and service. Each of the removable stages includes an annular inner element having a radially extending inlet port therethrough, an annular outer element rotatably surrounding the inner element and one or more seal plates connected to the axial ends of the inner element. An annular fluid flow passage for each section is defined by the outer surface of the inner element, the inner surface of the outer element and the surface of the connected seal plates. Each of the fluid flow passages is connected to an outlet conduit by a radial outlet port through the outer member and the fluid flow passage is connected to an inlet conduit by the inlet port through the inner member.
REFERENCES:
patent: 3698433 (1972-10-01), Dobler et al.
patent: 4052090 (1977-10-01), Stafford
patent: 4126336 (1978-11-01), Ortloff et al.
patent: 4306741 (1981-12-01), Foolen
Callaghan Thomas F.
FMC Corporation
Guernsey L. B.
Megley R. B.
Ritt, Jr. W. W.
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