Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control
Patent
1998-05-15
1999-08-31
Graysay, Tamara
Hydraulic and earth engineering
Fluid control, treatment, or containment
Flow control
405 87, 405 94, 525731, E02B 720, E02B 740
Patent
active
059444452
ABSTRACT:
A flood gate for use in a foundation crawl space and the like comprises a frame having side walls defining a fluid passageway therethrough, a door pivotally mounted in the frame for bidirectional rotation between two open positions and a closed position therebetween to permit tidal water flow therethrough, and at least one catching assembly for holding the door in the closed position against a minimum level of pressure of the tidal water flow. Tidal flood waters exceeding the minimum pressure level are automatically vented through the crawl space and the like reducing a risk of structural damage from the tidal flood waters. The flood gate can further comprise a door having a ventilation opening, an automatic louver assembly for controlling air flow through the opening, and a screen covering the opening. The automatic louver assembly opens and closes responsive to ambient temperature.
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Graysay Tamara
Lee Jong-Suk
Smart Vent, Inc.
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