E03D5/024

Vacuum operated valve
10704244 · 2020-07-07 · ·

A fill valve with pressure chamber having an open bottom end and a diaphragm at a top end such that falling water level in the toilet tank causes the diaphragm to flex in a first direction, thereby moving a sealing member to an open position, with a venturi in the fill valve keeping the sealing member in the open position until water refilling the tank causes the diaphragm to flex in a second direction, thereby moving the sealing member back to the closed position.

Flow diverter with antisiphon
10676905 · 2020-06-09 · ·

A flow diverter for diverting flow between a toilet bowl and a toilet tank, having: a body having an inlet, a first outlet and a second outlet; and a flow adjustment mechanism rotatable within the body to selectively divert different percentages of flow between the first outlet and the second outlet; and an air vent and diaphragm in the body to prevent a siphon flow from the first or second outlet back to the inlet.

Pre-Primed Siphonic Toilet

A toilet that includes a bowl having a sump, a passageway, a fluid conduit and a valve. The passageway includes an entrance fluidly connected to the sump, an outlet, a dam located between the entrance and the outlet of the passageway, and an inlet located between the dam and the outlet of the passageway. The fluid conduit configured to supply a volume of water into the passageway through the inlet. The valve located between the inlet and the outlet of the passageway, wherein the valve is configured to retain the volume of water in a closed position prior to a flush cycle to affect a siphon during the flush cycle.

Fluid control system and method
11939206 · 2024-03-26 · ·

Some embodiments include a fluid control system with an outlet valve assembly, an inlet valve assembly including a venturi inlet valve, and an actuator coupled to the inlet valve assembly. In some embodiments, the actuator can enable a user to control a flush volume of fluid control system. Some embodiments include a moveable float positioned in a chamber of the outlet valve assembly, where the chamber includes a variably-sized upper portion with a volume that is based at least in part on a variable position of the moveable float in the chamber. Some embodiments include a adjustable control valves coupled to an outer surface of the outlet valve assembly and the inlet valve assembly. Some embodiments also include a bellows positioned in and coupled to the variably-sized upper portion. In some embodiments, the bellows are fluidly coupled to the venturi inlet valve and at least one of the control valves.

Pushing force converting mechanism and concealed water tank

The present disclosure provides a pushing force converting device including a cylinder barrel. The cylinder barrel includes an air cavity; a mounting cavity; and an air cavity vent in communication with the air cavity. The pushing force converting device also includes a piston configured to slide back and forth in the cylinder barrel and slidably disposed in the mounting cavity; a transmission bar connected with the piston and configured to drive the piston to move toward the air cavity; a restoring member disposed in the cylinder barrel and configured to drive the piston or the transmission bar to be restored to a respective initial position; and a sealing ring disposed on the piston and configured to seal the air cavity. The pushing force converting device disclosed by the present disclosure can convert mechanical pushing force into air pressure pushing force.

Magnetic position sensor for aircraft toilet flush valve

Vacuum toilet flush valves. The disclosure uses a precise positioning of a magnet with respect to a flush valve plate in order to identify absolute alignment accurately.

Pre-primed siphonic toilet

A method of flushing a siphonic toilet that includes retaining a first volume of water in a bowl and an up leg of a passageway that is upstream from a dam, retaining a second volume of water in the passageway between a valve and the dam in a closed position of the valve, activating a flush cycle of the toilet that introduces a third volume of water into the toilet, and moving the valve from the closed position to an open position to affect a siphon during the flush cycle.

Sanitary unit with monitoring device
10422117 · 2019-09-24 · ·

The invention relates to a mobile sanitary device, comprising a bowl having an upper opening, a water storage tank which is connected to the bowl via a water conduit that supplies water from the water storage tank to the bowl, a wastewater tank which is connected to the bowl via a wastewater line that discharges the wastewater out of the bowl from a bowl outlet opening to the wastewater tank, a first intermediate tank which is inserted into the water conduit between the water storage tank and the bowl or into the wastewater line between the bowl outlet opening and the wastewater tank. According to the invention, a first sensor for detecting a measured value characterizing a status in the first intermediate tank is arranged on the first intermediate tank, and an electronic monitoring unit is provided which is in signal communication with the first sensor and comprises an electronic memory unit in which process data are stored which represent at least one setpoint value of an operational process of supplying water from the water storage tank to the bowl and of water discharge out of the bowl to the wastewater tank. The electronic monitoring unit also comprises an electronic comparator unit which is configured to compare the measured value from the first sensor with the setpoint value of the operational process and to output an error message if the measured value differs from the setpoint value.

Portable slot water-injection toilet

The present invention includes a toilet pool, wherein the toilet pool has a pool tapered from top to bottom, the bottom of the pool is a discharge outlet, the top of the pool is a tapered annular platform, the tapered annular platform consists of a wide part and a narrow part, above the tapered annular platform is a slot flush nozzle, shunts implemented by the slot flush nozzle are evenly distributed on a surface of the pool under the guide of the tapered annular platform, and the toilet pool is provided with a clean water supply. It achieves a configuration that two flushing systems coexist on a toilet pool, achieves secondary homogenization of water currents, achieves water-saving and efficient flushing, achieves maximization of water capacity in the same space, and achieves a simple, reliable fixedly-installed toilet.

Waste drain systems and methods for a toilet
11981434 · 2024-05-14 · ·

A waste drain system is configured to be coupled to a toilet. The waste drain system includes a conduit including a main body defining an internal passage having a central longitudinal axis, and one or more cutting blades extending from the main body toward the central longitudinal axis. The one or more cutting blades are configured to cut one or more items that pass through the internal passage.