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US 7,041,213 B1Granted
Stormwater pretreatment and disposal system
AssigneeQuikTrip Corporation
InventorShawn McClanahan
Life of this patent
Estimating the term…
Abstract
A stormwater drainage system capable of collecting, pretreating and disposing of the stormwater runoff into a dry well. Further capable of stopping the flow of stormwater into the dry well in the event hydrocarbons or other contaminants are present in the stormwater. The system is also capable of isolating stagnant water in the system to prevent the infestation of mosquito larvae.
Claims11
A storm water pretreatment system comprising:
- a retention area including a floor for receiving storm water;
- a collection vault with an inlet in fluid communication with the retention area and an outlet;
- an oil/water separator;
- a dry well;
- a first pipe putting the collection vault in fluid communication with the oil/water separator;
- a second pipe putting the oil/water separator in fluid communication with the dry well;
- and
- a valve on the second pipe;
- an anti-siphon valve on the second pipe;
- and
- a sensing probe, controls and actuator operatively attached to the valve and adapted to close said valve upon detection of storm water contaminants.
8 more elements
Dependencies are inferred from the claim text.