Inflatable Fluid Conduit Plug
1 Assignment
0 Petitions
Accused Products
Abstract
An inflatable conduit plug is used to seal a conduit such as a floor drain or an air vent. The conduit plug includes a shroud that is removably sealed within the conduit so that fluids pass through the shroud opening. Axially disposed within the shroud is an inflatable bladder adapted for closing the shroud opening. The inflatable bladder is inflated by an inflation signal generated by a controller upon receipt of a contamination signal received from a remote contamination detector. The plug operates in a wireless environment and can be controlled remotely. The plug can also be adapted for diverting contamination away from sensitive lands and storm drains.
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Citations
35 Claims
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1. (canceled)
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2. A conduit plug comprising:
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a shroud having an opening for sealed insertion into a conduit having an inner wall; an inflatable bladder disposed within said shroud for closing said shroud opening upon an inflation signal; bladder inflation means integral to the plug and in fluid communication with said bladder; contaminant detectors for generating a contaminant signal; and a controller for receiving said contaminant signal and transmitting said inflation signal, wherein the shroud has a top and a bottom, an inner surface and an outer surface, said outer surface congruent with and adapted to complement the shape of said inner wall of said conduit, said inner surface adapted to bear the full force of bladder inflation thereby protection the inner wall of the conduit from damage. - View Dependent Claims (3, 4, 5, 6, 7, 8)
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9-10. -10. (canceled)
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11. A conduit plug comprising:
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a shroud having an opening for sealed insertion into a conduit having an inner wall; an inflatable bladder disposed within said shroud for closing said shroud opening upon an inflation signal; bladder inflation means integral to the plug and in fluid communication with said bladder; contaminant detectors for generating a contaminant signal; and a controller for receiving said contaminant signal and transmitting said inflation signal, wherein the bladder is fabricated from a suitable chemically resistant material, wherein the bladder is disposed axially within the shroud, and wherein the bladder has a top and a bottom and wherein the bladder is fixed axially within the shroud at said bladder top and at said bladder bottom by a plurality of bracing rods extending from said shroud top inner surface and said shroud bottom inner surface. - View Dependent Claims (12, 13)
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14-19. -19. (canceled)
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20. A conduit plug comprising:
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a shroud having an opening for sealed insertion into a conduit having an inner wall; an inflatable bladder disposed within said shroud for closing said shroud opening upon an inflation signal; bladder inflation means integral to the plug and in fluid communication with said bladder; contaminant detectors for generating a contaminant signal; and a controller for receiving said contaminant signal and transmitting said inflation signal, wherein said contaminant detectors are sensors adapted to permit an uncontaminated fluid flow into the shroud opening and generate a contaminant signal when a contaminated fluid flow is detected, and wherein the contaminant detectors are disposed remote from the conduit so that the contaminant signal is generated prior to the contaminant entering the shroud opening. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27)
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28. The plug of claim 27, wherein the micro-processor is programmable for a variety of contaminant threshold values. 29-30. (canceled)
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31. A method of operating a plurality of inflatable conduit plugs within an industrial facility, said method comprising the steps of:
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a) installing a plurality of conduit plugs in a plurality of fluid conduits within said industrial facility; b) installing a suitable number of contaminant detectors within the industrial facility, said contaminant detectors in RF communication with each conduit plug of said plurality of conduit plugs; c) networking a predetermined number of the plurality of conduit plugs into a plurality of operational zones; d) connecting said predetermined number of conduit plugs in each operational zone of said plurality of operational zones by way of RF communications to an operational zone repeater; e) repeating step ā
dā
for all of the plurality of operational zones so that each operational zone includes an operational zone repeater;f) connecting each of said operational zone repeaters by way of RF communications to a network controller; and
,g) providing said network controller with a user interface for monitoring and control wherein said monitoring a control is facilitated by software means. - View Dependent Claims (32, 33, 34, 35)
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Specification