Flood stopper for drain systems

Details Flood stopper for drain systems Flood stopper for drain systems

1989-05-24

1991-08-13

Hornsby, Harvey C.

Pipes and tubular conduits

With closures and plugs

Inflatable

137403, 137421, 73307, F16L 5512

Patent

active

050388312

ABSTRACT:
A flood stopper system is used to prevent movement of fluid from a floor drain system out onto a floor that is being cleared by that drain system. The flood stopper system includes a balloon-like inflatable element that is automatically inflated to occlude the drain system in the event of a flood situation. The stopper system is located in the drain in a stand-by configuration and includes a float that covers a fluid-sensor and is only moved when a potential flood situation is present. Movement of the float permits fluid to contact the sensor and upon such contact, the sensor generates a signal that is used to fluidically connect a source of pressurized gas to the inflatable element to occlude the drain system.

REFERENCES:
patent: 2549204 (1951-04-01), Kaddatz
patent: 2793371 (1957-05-01), Vesconte
patent: 4432388 (1984-02-01), Rest

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