Baths – closets – sinks – and spittoons – Ventilation – Electric-motor pump
Patent
1984-09-24
1986-10-21
Artis, Henry K.
Baths, closets, sinks, and spittoons
Ventilation
Electric-motor pump
4217, 4DIG3, E03D 904
Patent
active
046176870
ABSTRACT:
A ventilated toilet is disclosed which includes an exhaust fan assembly, electrical connections therefor, and a normally open pneumatically operated switch element, all of which are located remote from the toilet area so that the user is never endangered thereby. An internal passageway is formed within the toilet seat which is in communication with the interior of the toilet bowl by means of a series of spaced holes located in the bottom of the toilet seat. A collapsible bulb is provided beneath each of the two sides of the toilet seat, and each bulb is connected to an air tube that lies within the passageway within the toilet seat. The two air tubes leading from the collapsible bulbs join via a Y-connection into one air tube, which leads to the pneumatically operated switch. When pressure is applied to the toilet seat, the collapsible bulbs are compressed and air is forced under pressure through the air tubes. The increased air pressure trips the aforementioned pneumatically operated switch to the closed position and the fan motor is started thereby. The fan produces a suction that draws odorous air from the toilet bowl into the passageway in the toilet seat via the series of holes, and the odorous air is then drawn through a conduit leading away from the toilet and is discharged. The switch element, exhaust fan assembly and the electrical connections therefor are located sufficiently far from the toilet area so that the user is not endangered thereby. As an additional precaution, all materials of construction between the toilet seat and exhaust fan assembly are non-electrically conductive. Fan noise is avoided by locating the exhaust fan assembly remote from the toilet area, and/or by using effective sound insulation.
REFERENCES:
patent: 3049722 (1962-08-01), Boggs
patent: 3108289 (1963-10-01), Smith
patent: 3295147 (1967-01-01), Meyer
patent: 3999225 (1976-12-01), Ables
patent: 4125906 (1978-11-01), Weiland
patent: 4196481 (1980-04-01), Swanda
patent: 4251888 (1981-02-01), Turner
patent: 4304015 (1981-12-01), Hubatka
Artis Henry K.
Landingham, Jr. L. S. Van
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