Auxiliary sump water evacuation system
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United States of America Patent
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Feb 17, 2015
Grant Date -
May 9, 2013
app pub date -
Nov 7, 2012
filing date -
Nov 8, 2011
priority date (Note) -
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Abstract
A sump water evacuation system that operates automatically without reliance on electricity or floats and without any need for oversight or manual intervention, using domestic water supply as the sole motive force to evacuate sump water either into a washbasin or to the exterior of the building; the system is easily installed for use with Radon remediated sump pits. A pneumatic stagnation pressure automatically signals a rising water level in a sump pit and this signal is communicated to a housing wherein the low-pressure signal is mechanically amplified to activate a tilt valve mechanism, thereby converting the pneumatic signal to a hydraulic force which in turn opens a check valve, allowing a high-pressure domestic water supply to flow through to a commercially available Venturi siphon device, causing the sump water to be suctioned out and expelled into either a washbasin or to the exterior of a building.
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