Rotary coupler for fluid conduits

Details Rotary coupler for fluid conduits Rotary coupler for fluid conduits

2000-02-01

2000-10-24

Chambers, A. Michael

Fluid handling

With leakage or drip collecting

137580, 138113, 138114, F16L 2700, F16L 5502

Patent

active

061351385

ABSTRACT:
A rotary fluid coupler includes a first fluid conduit, a second fluid conduit in fluid communication with the first fluid conduit and rotatable relative to the first fluid conduit, and a first fluid conduit/second fluid conduit seal at a joint between the first fluid conduit and the second fluid conduit. A return fluid conduit has an inlet end that receives fluid leaked through the first fluid conduit/second fluid conduit seal, and a return/joint seal that seals against leakage from the return fluid conduit to an external environment. A fluid-pressure biasing source is in communication with the return fluid conduit to move fluid away from the inlet end through the return fluid conduit, and back to a fluid source.

REFERENCES:
patent: Re34923 (1995-05-01), Ruesch
patent: 4836237 (1989-06-01), McCullough
patent: 5052436 (1991-10-01), Bauch et al.
patent: 5884657 (1999-03-01), Srock
patent: 5931184 (1999-08-01), Armenia et al.

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