Condition-specific toilet ventilation system

Details Condition-specific toilet ventilation system Condition-specific toilet ventilation system

1989-12-07

1990-07-31

Artis, Henry K.

Baths, closets, sinks, and spittoons

Ventilation

Electric-motor pump

4217, 4347, 4472, E03D 1300, E03D 904, A47K 1300

Patent

active

049440454

ABSTRACT:
A ventilation system for removing odorous air from a toilet bowl includes a chemically sensitive electronic transducer that senses the presence of methane gas and controls a fan and motor unit according to such presence. When the amount of methane in the toilet bowl drops below a predetermined quantity, the fan and motor unit is stopped, and such unit is started only when methane is present in such predetermined quantity.

REFERENCES:
patent: 3049722 (1962-08-01), Boggs
patent: 4007498 (1977-02-01), Pearson

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