Radon and other gas ventilator

Details Radon and other gas ventilator Radon and other gas ventilator

1989-02-16

1990-05-08

Joyce, Harold

Heat exchange

With valve or movable deflector for heat exchange fluid flow

With by-pass of heat exchanger or heat exchanger section

98 4204, 98119, 98 4212, 34 90, 165909, F24F 1100, F24F 1200

Patent

active

049228080

ABSTRACT:
An effective radon ventilator which adapts to laundry dryer vents. The unit vents radon gas from houses at the point of greatest concentration, the basement or ground level, as well as venting other objectionable fumes. The ventilator houses a fan and a flow damper to vent both airborne radon gas/fumes and laundry dryer vapors. A heat transfer device enables energy efficient operation.

REFERENCES:
patent: 980471 (1911-01-01), Zenke
patent: 2311948 (1943-02-01), Lagodzinski
patent: 2733668 (1956-02-01), Pfetzing
patent: 3606593 (1971-09-01), Steiner
patent: 3673701 (1972-07-01), Albertson
patent: 4034482 (1977-07-01), Briscoe
patent: 4251026 (1981-02-01), Siegel et al.
patent: 4543941 (1985-10-01), Newell
patent: 4681024 (1987-07-01), Ivey
"Radon Reduction Techniques for Detached Houses", Technical Guidance, EPA/625/5-86/019, U.S. Environmental Protection Agency, Jun. 1986.

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