Quick-disconnect coupler

Details Quick-disconnect coupler Quick-disconnect coupler

2008-03-18

2008-03-18

Lee, Kevin (Department: 3753)

Fluid handling

Systems

Flow path with serial valves and/or closures

C137S614030, C251S149600

Reexamination Certificate

active

07343931

ABSTRACT:
A quick-dis/connect coupler including two coupler modules, male and female. Each includes a housing. At least one includes a stopcock valve. The housing bodies are configured such that, as they are engaged/disengaged, each automatically opens/closes the other's stopcock valve. The complete coupler may include seven or fewer components, with five or fewer skus among them. The coupler provides a straight-through, laminar fluid flow path with no dead zones and essentially zero occlusion, and has no springs or other such components inside the fluid flow. The coupler uses inexpensive injection molding and snap-fit components which are dual-latched. The valve-closing springs also provide positive eject force upon disengagement of the coupler.

REFERENCES:
patent: 4181149 (1980-01-01), Cox
patent: 5090448 (1992-02-01), Truchet
patent: 7028982 (2006-04-01), Kohda

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