Ventilation – Having outlet airway – With air pump
Patent
1990-03-02
1992-01-14
Joyce, Harold
Ventilation
Having outlet airway
With air pump
521695, 405 43, 454344, F24F 706, F24F 1100
Patent
active
050800043
ABSTRACT:
The system for removing the soil gas from the ground surrounding the building structure, includes a clean-out receptacle, an air duct system, and a fan. The clean-out pipes are installed inside the building structure, accessible from the ground level and near junctions between the interconnecting pipes and the drain tile. The air duct system is securable to a clean-out receptacle, and the fan is installed inside the air duct. The air duct system is disconnected from the clean-out receptacle during the cleaning of the drain tile system. The pressurized fluid projecting through the tip of the rocket nozzle, removes any obstructions in the drain tile, and the pressurized fluid projecting rearward from the nozzle, propels the rocket nozzle through the drain trail system. The air duct system is then connected to the clean-out pipe. The operation of a fan in the air duct system create a negative pressure and vents soil gas from the ground surrounding the building structure which draws the soil gas into and through the porous drain tile. By continuously operating the fan, the soil gas is effectively prevent from entering the building structure.
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"Radon Reduction Techniques for Detached Houses", Technical Guidance, EPA/625/5-86/019, U.S. Environmental Protection Agency, Jun. 1986.
"Halliburton's Line Mole Cleaning Process . . .", Chemical Engineering (Oct. 23, 1967) @ p. 89.
Dykman K. Rand
Francis Thomas
Black Gerald R.
Joyce Harold
Superior Environmental Service, Inc.
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