A toilet comprising a rinsing seat, a rimless bowl, and a helical loop trapway is disclosed. An annular cavity for the purpose of storing and dispensing rinse water from the rinsing seat is disclosed. In one embodiment, the rinsing seat includes a pressurized line which can be pressurized by a compressible membrane compressed by a toilet user. Outlet nozzles arranged about the circumference of the rinsing seat and designed to dispense rinse water at the rimless bowl are disclosed. Rinsing seat supports, hinge assemblies, and seat sensors which offer additional functionality to the rinsing seat are also disclosed. A steep interior surface and hydrophobic material for the rimless bowl are also disclosed and claimed herein.

The present invention relates to a water disposable system comprised of a connecting member having first side connected to at least one unwanted water source and one valve to control the flow of an unwanted water. A toilet water tank is connected a second side of the connecting member, wherein the water tank comprises: a strainer in a stand pipe; a two float system, wherein a first float is set at a minimum tank volume water line, and a second float set at maximum tank volume water line. A button is coupled with a second float allowing the intake of the fresh water from the fresh water pipe upon actuation. A transparent window or gauge is positioned on the front wall of the tank for determining the volume of water in the toilet tank.

Embodiments described herein relate to quick release toilet concepts, which can be useful particularly on-board aircraft and other passenger transport vehicles. Further embodiments relate to improved shroud components for toilets that help reduce splash. Further embodiments also relate to flushing systems for use with vacuum toilets.

A toilet device for a rail vehicle includes flushing water-carrying installations and wastewater-carrying installations. The flushing water-carrying installations include an intermediate reservoir for storing flushing water and a supply line for supplying the intermediate reservoir with flushing water. The supply line includes a filter for filtering the flushing water supplied to the intermediate reservoir. The supply line is connected to the intermediate reservoir such that flushing water from the intermediate reservoir can be returned through the filter. A backflushing line is connected to the filter and opens into a wastewater-carrying installation. A method for operating the toilet device includes supplying the flushing water through a filter to fill the intermediate reservoir, and flushing a flushable bowl with flushing water from the intermediate reservoir or backflushing the filter with flushing water from the intermediate reservoir and draining off the flushing water to a wastewater-carrying installation.

The disclosed invention improves on portable toilets for use in hostile environments. The improvements also provide a mechanism for the portable toilet to interface with transportation devices to facilitate transport. The portable toilet is constructed to withstand wind and explosive forces to protect the user. Equipment is also installed in the portable toilet for user safety.

A toilet flushing device including a pivot support member attached to an exterior surface of a bowl of a toilet. A lever arm has a pivot member hingedly attached to the pivot support member. A substantially triangulated handle has a back edge medially attached to a front end of the lever arm. A rubberized stopper member is attached to the exterior surface of the bowl of the toilet. A bottom end of a rod is pivotably attached to a back end of the lever arm, and a top end of the rod is extended upwards along a side of a tank of the toilet. A flush valve actuator has a rack gear disposed on the rod and a pinion gear disposed adjacent to the side of the tank. The pinion gear is connected to a flushing mechanism disposed within the tank.

A toilet system with a toilet base including a toilet bowl and a shroud for covering a plumbing riser located at a rear end of the toilet base that provides ligature-resistance for institutional applications. The shroud has a mating feature that joins with a corresponding feature at a rear portion of the toilet base to prevent formation of a gap between the base and a front of shroud in at least at a top side of the area of contact between the shroud and the back of the toilet base. The mating feature can be provided by forming a rectangular cross-section at the rear of the toilet base and providing a matching aperture through the shroud. A toilet seat, which may be bonded or bolted to toilet base has an outer edge that is chamfered to prevent ligature formation around a portion of toilet seat.

A grey water toilet system utilizing a pedal interface to trigger the toilet flush and to resupply the toilet tank with grey water. The grey water is generally collected from a nearby water fixture such as a wash basin and placed in a storage reservoir until the user flushes the toilet. This invention can be used to retrofit most existing toilets without the need for remodeling thus making it possible to expand the use of grey water for toilets, potentially leading the way for significant fresh water savings. It is estimated that the average American residence uses in the range of 100,000 gallons of water annually and that more water is used to flush toilets than any other individual activity.

This specification describes systems for the treatment and reuse of greywater and related processes. An exemplary system collects greywater from baths and showers and treats it for use in toilet flushing. Influent bathing water passes through a prefilter to remove larger particles and flows into a greywater collection tank. Collected greywater is filtered through a membrane designed to remove suspended solids. Membrane permeate passes through a sorbent media to remove soluble organics and then flows into a permeate tank. A chemical agent is used to disinfect water in one or more parts of the system and optionally to clean the membranes. A control system manages the operation of system. The system operates in a generally daily cycle with permeation dispersed over a material time, for example 4 or 8 hours or more.

A pressure-assist toilet assembly comprising a bowl; and a pressure tank assembly, wherein the pressure tank assembly is configured to be positioned in a bathroom wall cavity upon installation of the toilet assembly. The bowl may comprise an access space at an underside of the bowl, and/or may comprise a utility port positioned on a side of the bowl, configured to allow a bidet seat to be fluidly coupled to an in-wall water source and/or electrically coupled to an in-wall electric source. The assembly may comprise an in-wall support structure, the in-wall support structure configured to be removed from a bathroom wall cavity to provide access to a pressure tank assembly.