Patent ID: 9499966
Filing Date: 2016-11-22
CPC Classification: E03D

Claim Text:
1. A toilet system comprising: a toilet bowl having a rim jet annulus located circumferentially inside a portion of a toilet rim disposed above and around a periphery of the toilet bowl wherein the rim jet annulus has a plurality of rim jet orifices for introducing water into the toilet bowl; an annular vent passage which is separate but located circumferentially inside and concentric with the rim jet annulus of the toilet rim of the toilet bowl, the annular vent passage having a plurality of vent exhaust orifices located at an inner radius of the annular vent passage and positioned above the rim jet orifices to avoid communication of water from the plurality of rim jet orifices into the annular vent passage via the plurality of vent exhaust orifices; and the annular vent passage connecting at the back vertical plane of the toilet bowl to avoid interference with the rim jet annulus, to an annular exhaust vent line wherein the annular exhaust vent line slopes downward from the back vertical plane of the toilet bowl to a low point where there is located a low point drain line and a low point drain valve at the bottom of the low point drain line, thereafter, the annular exhaust vent line continues with a constant slope upward for a distance to join with an enlarged parent exhaust line wherein the parent exhaust line is in communication with a bypass branch line upstream of a vent exhaust fan upstream isolation valve located upstream of a vent exhaust fan and the parent exhaust line outlet.