Apparatus for fluid transfer
First Claim
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1. A dry-break valve for transferring fluid from a container and for preventing return of said fluid to said container, comprising:
- a valve assembly constructed to allow only removal of fluid from said container, said valve assembly including;
a valve assembly housing having an inlet end for positioning within said container and an outlet end,a release valve movable between an open position and a closed position, coupled to said outlet end, a check valve coupled to said inlet end so as to prevent fluid flow into said container, andan anti-fluid lock assembly for allowing said release valve to open when a liquid is present between said release valve and said check valve; and
a coupler removably receivable by said valve assembly.
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Abstract
An apparatus for fluid transfer including a valve assembly, receivable by a container, having a check valve for unidirectional flow of material, and a release valve having a closed position, and an open position, a coupler, receivable by the valve assembly to move the release valve to an open position, having a sliding valve.
34 Citations
23 Claims
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1. A dry-break valve for transferring fluid from a container and for preventing return of said fluid to said container, comprising:
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a valve assembly constructed to allow only removal of fluid from said container, said valve assembly including; a valve assembly housing having an inlet end for positioning within said container and an outlet end, a release valve movable between an open position and a closed position, coupled to said outlet end, a check valve coupled to said inlet end so as to prevent fluid flow into said container, and an anti-fluid lock assembly for allowing said release valve to open when a liquid is present between said release valve and said check valve; and a coupler removably receivable by said valve assembly. - View Dependent Claims (2, 3, 4)
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5. A dry-break valve for transferring fluid from a container and for preventing return of said fluid to said container, comprising:
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a valve assembly constructed to allow only removal of fluid from said container, said valve assembly including; a valve assembly housing having an inlet end for positioning within said container and an outlet end, a release valve movable between an open position and a closed position, coupled to said outlet end, and a check valve coupled to said inlet end so as to prevent fluid flow into said container; a coupler removably receivable by said valve assembly; and a tamper evident seal for sealing said valve assembly to said container, comprising; a securing ring sealing said valve assembly to said container and having a central opening; and a removeable center tab affixed to said securing ring, covering said central opening.
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6. A dry-break valve for transferring fluid from a container and for preventing return of said fluid to said container, comprising:
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a valve assembly constructed to allow only removal of fluid from said container, said valve assembly including; a valve assembly housing having an inlet end for positioning within said container and an outlet end, a release valve movable between an open position and a closed position, coupled to said outlet end, and a check valve coupled to said inlet end so as to prevent fluid flow into said container, a coupler removably receivable by said valve assembly; a break-away assembly for coupling said coupler to said valve assembly and for forcibly repelling said coupler from said valve assembly upon the application of torque to said coupler; an anti-fluid lock assembly for allowing said release valve to open when a liquid is present between said release valve and said check valve; and a vent assembly for allowing entry of an ambient external atmosphere into an interior of said container. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of fluid transport comprising the steps of:
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providing a container having an interior and an opening; filling said container with a fluid; providing a valve assembly; closing said opening with said valve assembly; providing a tamper evident seal having a securing ring, a central opening formed in said securing ring, and a covering tab affixed to said securing ring, covering said central opening; sealing said valve assembly with said tamper evident seal, wherein said securing ring seals said valve assembly to said container; transporting said filled container to a user; inspecting said tamper evident seal, and removing said covering tab from said securing ring when it has not been tampered with; and removing said fluid from said container through said central opening. - View Dependent Claims (16, 17, 18, 19, 20)
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21. A valve assembly for regulating a flow of fluid, permitting fluid flow in only a single direction, said valve assembly comprising:
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a valve assembly housing having an inlet end and an outlet end, said single direction being from said inlet end to said outlet end; a check valve coupled to said inlet end so as to prevent fluid flow in other than the single direction; a release valve, coupled to said outlet end, said release valve including a release valve body having an inlet end, an outlet end, a bore extending therethrough, and a valve member positioned within said bore for movement between an open position, movement towards said check valve, and a closed position; and an anti-fluid lock assembly including displacement means, for allowing movement of said valve member towards said check valve. - View Dependent Claims (22, 23)
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Specification