A toilet that includes a tank; a bowl; a mounting bracket comprising a base and three mounting locations; a valve having a valve body extending through the tank and an opening in the mounting bracket; a valve nut coupled to the valve body with the base of the mounting bracket retained between the tank and the valve nut; a flexible gasket disposed around the valve nut between the mounting bracket and the bowl; and three fasteners disposed externally to the tank, wherein each fastener extends through one mounting location and a hole in the bowl to couple the mounting bracket to the bowl; where the three mounting locations are arranged to provide both a pitch adjustment and a roll adjustment of the tank relative to the bowl about respective first and second axes m response to adjustment of one or more of the three fasteners.

A toilet that includes a tank; a bowl; a mounting bracket comprising a base and three mounting locations; a valve having a valve body extending through the tank and an opening in the mounting bracket; a valve nut coupled to the valve body with the base of the mounting bracket retained between the tank and the valve nut; a flexible gasket disposed around the valve nut between the mounting bracket and the bowl; and three fasteners disposed externally to the tank, wherein each fastener extends through one mounting location and a hole in the bowl to couple the mounting bracket to the bowl; where the three mounting locations are arranged to provide both a pitch adjustment and a roll adjustment of the tank relative to the bowl about respective first and second axes m response to adjustment of one or more of the three fasteners.

A toilet includes a base configured to engage a floor in a bathroom, the base defining a rear wall. The toilet further includes a plurality of openings defined in the rear wall configured to couple the rear wall to at least one of a wall in a bathroom or a wall carrier. The toilet further includes a cavity formed in the rear wall and a bowl defining a sump. The toilet further includes a discharge pipe defining a discharge pipe inlet disposed at the sump and a discharge pipe outlet disposed in the cavity. The toilet further includes a lower trapway having an upper section configured to receive the discharge pipe outlet therein and a lower trapway outlet configured to be fluidly coupled to a wall carrier.

A toilet includes a base configured to engage a floor in a bathroom, the base defining a rear wall. The toilet further includes a plurality of openings defined in the rear wall configured to couple the rear wall to at least one of a wall in a bathroom or a wall carrier. The toilet further includes a cavity formed in the rear wall and a bowl defining a sump. The toilet further includes a discharge pipe defining a discharge pipe inlet disposed at the sump and a discharge pipe outlet disposed in the cavity. The toilet further includes a lower trapway having an upper section configured to receive the discharge pipe outlet therein and a lower trapway outlet configured to be fluidly coupled to a wall carrier.

A flush toilet of the present invention includes a bowl portion for receiving waste and a discharge trap conduit connected to a lower portion of the bowl portion and extending to a discharge opening. The discharge trap conduit includes an ascending conduit ascending rearward from the lower portion of the bowl portion and a descending conduit descending from a downstream end of the ascending conduit to the discharge opening. The descending conduit includes a bottom surface on a rear side of the discharge opening, and a ceiling sloping surface, an upper end of the ceiling sloping surface being formed integrally with a bottom surface of a top portion of the ascending conduit, the ceiling sloping surface being formed on a front side of the discharge trap passage, and the ceiling sloping surface being inclined downward and forward from the upper end to a lower end of the discharge trap passage.

A flush toilet of the present invention includes a bowl portion for receiving waste and a discharge trap conduit connected to a lower portion of the bowl portion and extending to a discharge opening. The discharge trap conduit includes an ascending conduit ascending rearward from the lower portion of the bowl portion and a descending conduit descending from a downstream end of the ascending conduit to the discharge opening. The descending conduit includes a bottom surface on a rear side of the discharge opening, and a ceiling sloping surface, an upper end of the ceiling sloping surface being formed integrally with a bottom surface of a top portion of the ascending conduit, the ceiling sloping surface being formed on a front side of the discharge trap passage, and the ceiling sloping surface being inclined downward and forward from the upper end to a lower end of the discharge trap passage.

A system for collecting and storing urine includes a toilet with a bowl and a tank. The bowl includes a wall dividing the bowl into a first region configured to receive liquid waste and a second region configured to receive solid waste. The system also includes a first line in fluid communication with the first region to transfer the liquid waste from the first region, and a second line in fluid communication with the second region to transfer solid waste from the second region. A storage tank is coupled to the first line such that the storage tank is configured to receive the liquid waste from the first region via the first line.

A system for collecting and storing urine includes a toilet with a bowl and a tank. The bowl includes a wall dividing the bowl into a first region configured to receive liquid waste and a second region configured to receive solid waste. The system also includes a first line in fluid communication with the first region to transfer the liquid waste from the first region, and a second line in fluid communication with the second region to transfer solid waste from the second region. A storage tank is coupled to the first line such that the storage tank is configured to receive the liquid waste from the first region via the first line.

Example lavatory waste tube connection systems and related methods are discoed herein. An example apparatus includes an extension tube to be coupled to a system waste tube and a junction box to be coupled to a surface of a vehicle lavatory. The junction box is to define a housing for the extension tube.

Example lavatory waste tube connection systems and related methods are discoed herein. An example apparatus includes an extension tube to be coupled to a system waste tube and a junction box to be coupled to a surface of a vehicle lavatory. The junction box is to define a housing for the extension tube.