Fluid handling – Systems – Flow path with serial valves and/or closures
Patent
1989-06-20
1991-01-08
Chambers, A. Michael
Fluid handling
Systems
Flow path with serial valves and/or closures
285313, 285316, F16L 3728
Patent
active
049827618
ABSTRACT:
A coupling comprises a hollow body with a valve supported therein to define an annular chamber for receiving a mating stem component. A slide sleeve is mounted for axial movement in the annular chamber to control flow past the valve. Carried on the slide sleeve is a wiper mounted for sliding movement and having an end face which generally fills the open end of the annular chamber. A pair of slide hooks act to engage the stem member and move the slide member to a closed position when the coupling is disconnected. The slide hooks extend through slots in the wiper and are held in engaged position in the slide sleeve by cooperating surfaces on the hooks and the wiper. A pair of opposed dog-type detent members are maintained in a radially outward position by the outer surface of the wiper when the coupling is disconnected. In addition, the body and a cooperating operating sleeve are provided with a generally elliptical cross-section which results in a stronger coupling design and facilitates guiding of the components.
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Kreczko Gregory
Medvick Richard J.
Wagner Ross L.
Chambers A. Michael
Swagelok-Quick Connect Co.
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