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2168results about "Water closets" patented technology

Systems for human waste collection and processing

ActiveUS20250257556A1UrinalsWater closetsLiquid wasteHuman waste
Waste collection and processing systems for use in low-gravity environments include a toilet having a bowl and a lid, the toilet configured to receive solid human waste; a liquid waste collection system comprising a liquid waste receptacle configured to receive liquid human waste; a first waste tank fluidly coupled to the toilet; a second waste tank fluidly coupled to the liquid waste collection system; a third waste tank fluidly coupled to the liquid waste collection system, wherein the first waste tank, the second waste tank, and the third waste tank are each configured to be operated between reclamation modes of operation and collection modes of operation; and a waste outlet configured to selectively receive an airflow from each of the first waste tank, the second waste tank, and the third waste tank.
Owner:HAMILTON SUNDSTRAND SPACE SYST INT INC

Systems for human waste collection and processing

ActiveUS20250256866A1UrinalsWater closetsLiquid wasteHuman waste
Waste collection and processing systems for use in low-gravity environments include a toilet having a bowl and a lid; a waste tank having an inlet and an outlet, with the bowl fluidly coupled to the inlet of the waste tank; a first valve arranged between the bowl and the waste tank and selectively operable to allow fluid connection between the bowl and the waste tank; a second valve arranged at a first outlet of the waste tank and selectively operable to allow for solid waste and liquid waste within the waste tank to be directed to a waste outlet; and a third valve arranged at a second outlet of the waste tank and selectively operable to allow for gases to be removed from the waste tank and directed to at least one of an occupied space, an external environment, or a waste reclamation system.
Owner:HAMILTON SUNDSTRAND SPACE SYST INT INC

toilet

In one embodiment, a vacuum toilet includes a base including a toilet bowl, a sump pipe, and a tank coupled to the bowl via the sump pipe. A vacuum generator is coupled to the tank. The vacuum generator is configured to apply a first pressure during a flush cycle and a second pressure during a drain cycle. In one embodiment, a vacuum toilet includes a toilet bowl, a drain pipe valve compartment, a tank coupled to the toilet bowl, and a vacuum generator including a high pressure outlet connected to the drain pipe valve compartment and a low pressure outlet connected to the tank.
Owner:KOHLER CO(US)

toilet

A vacuum toilet (600). The vacuum toilet comprises: a toilet bowl (601); a drain pipe valve compartment (602); a tank (603) coupled to the toilet bowl; and a vacuum generator (604) including a high pressure outlet (605) connected to the drain pipe valve compartment (602) and a low pressure outlet (606) connected to the tank (603). Also disclosed is a method of operating a vacuum toilet.
Owner:KOHLER CO(US)

Bodily emission analysis

Apparatus and methods are described for use with a bodily emission of a subject that is disposed within a toilet bowl. While the bodily emission is disposed within the toilet bowl, light is received from the toilet bowl using one or more light sensors. Using a computer processor, intensities of at least two spectral bands that are within a range of 530 nm to 785 nm are determined, by analyzing the received light, and a ratio of the intensities of the two spectral bands is determined. In response thereto, the computer processor determines that there is a presence of blood within the bodily emission. The computer processor generates an output on an output device, at least partially in response thereto. Other applications are also described.
Owner:OUTSENSE DIAGNOSTICS LTD

Systems for human waste collection and processing

ActiveUS20250257554A1UrinalsWater closetsLiquid wasteHuman waste
Waste collection and processing systems for use in low-gravity environments include a toilet having a bowl and a lid with a waste tank having an inlet and an outlet, wherein the bowl of the toilet is fluidly coupled to the inlet of the waste tank. A waste bag is arranged within the waste tank to capture human waste deposited into the waste tank from the toilet bowl. The waste bag is permeable to gases and impermeable to liquid waste and solid waste. A filter assembly is fluidly coupled to the outlet of the waste tank and configured to treat air that passes through the filter assembly. A first valve is operably arranged between the bowl and the waste tank and a second valve is operably arranged between the waste tank and the filter assembly.
Owner:HAMILTON SUNDSTRAND SPACE SYST INT INC

Bodily emission analysis

Apparatus and methods are described for use with a bodily emission of a subject that is disposed within a toilet bowl. One or more light sensors are configured to receive light from the toilet bowl, while the bodily emission is disposed within the toilet bowl. A computer processor detects a set of three or more spectral components that have a characteristic relationship with each other in a light spectrum of a microorganism, by analyzing the received light, and determines that there is a presence of the microorganism within the bodily emission in response thereto. Other applications are also described.
Owner:OUTSENSE DIAGNOSTICS LTD

Automatic cover plate and pedestal pan

The automatic cover plate comprises a base, a seat ring and a toilet cover, the base is provided with an air compression device and a pneumatic limiting device, the air compression device is provided with an air return structure, and the pneumatic limiting device is provided with a slow leakage valve; the seat ring is rotatably mounted on the base, and the seat ring in a seated state can close the slow leakage valve; the barrel cover is rotationally installed on the base and is in transmission fit with the air compression device, a first reset structure matched with the pneumatic limiting device is arranged between the barrel cover and the base, and when the barrel cover rotates from the closed position to the open position, the barrel cover drives the air compression device to exhaust air in the air compression device to the pneumatic limiting device through the first flow channel; the pneumatic limiting device is driven to limit work of the first reset structure. According to the automatic cover plate, the barrel cover can be automatically closed after a period of time of defecation of a user, the problem that the user forgets to cover the barrel cover after defecation is solved, and the user is allowed to open or close the barrel cover at any time according to needs.
Owner:KOHLER CHINA INVESTMENT

Occupancy surveillance for plumbing fixtures

A control system for a plumbing fixture includes at least a network device, a plumbing fixture, and a controller. The network device is configured to detect a plurality of connections for mobile devices in an indoor space associated with the plumbing fixture. A controller configured to compare the plurality of connections to an occupancy threshold and generate a command for the plumbing fixture.
Owner:KOHLER CO(US)

Toilet overflow prevention in bidet seat

A toilet seat arrangement includes a toilet seat that is installed above a toilet bowl. A bidet nozzle is installed on the toilet seat and ejects water into a space above the toilet bowl such that the water falls into the toilet bowl. A water level sensor is installed on the toilet seat and detects a level of water in the toilet bowl. The water level sensor transmits a signal indicative of the level of water in the toilet bowl. A shutoff valve allows water to flow to a toilet tank fill valve when the shutoff valve is in an open position, and prevents water from flowing to the toilet tank fill valve when the shutoff valve is in a closed position. An electronic processor controls whether the shutoff valve is in the open position or the closed position dependent upon the signal from the water level sensor.
Owner:DELTA FAUCET COMPANY

Flush water tank device, and flush toilet apparatus including the same

PendingUS20250277359A1UrinalsWater closets
The present invention provides a flush water tank device including an outer tank, an inner tank disposed inside the outer tank, a water supply valve, a first water discharge / stop switching mechanism disposed inside the outer tank and outside the inner tank to switch supply and stop of flush water stored in the outer tank to the flush toilet main body, and a second water discharge / stop switching mechanism disposed inside the inner tank to switch supply and stop of flush water stored in the inner tank to the flush toilet main body, the water supply valve is configured to supply flush water into the inner tank, and the flush water supplied into the inner tank overflows from two or more sides of the inner tank to flow into the outer tank.
Owner:TOTO LTD

Distributed multi-water-source cooperative control system based on integrated wall-mounted washing closestool

The invention relates to the technical field of integrated wall-mounted laundry closestools, and discloses a distributed multi-water-source cooperative control system based on an integrated wall-mounted laundry closestool, which comprises a multi-source water quality monitoring module, a flow dynamic distribution module, a cleaning strategy generation module, a pipeline deposition correction module and a water source switching optimization module. The multi-source water quality monitoring module acquires water quality parameters in real time and constructs a multi-layer evaluation topology, the flow dynamic distribution module performs pipeline modeling and pressure optimization, and the cleaning strategy generation module combines water quality and pressure information to generate a flushing framework and sorts the flushing framework. The pipeline deposition correction module corrects the deposition rate and balances pressure parameters, and the water source switching optimization module detects path deviation and feeds back iteration. The system realizes multi-source water quality accurate monitoring, flow dynamic distribution and cleaning strategy intelligent generation, improves the utilization efficiency of water resources, ensures stable operation of the system, and solves the problems of extensive water quality monitoring, static flow distribution, lack of intelligent cleaning strategy and the like of a traditional system.
Owner:装满屋有限公司

Flush toilet apparatus

The present invention provides a flush toilet apparatus that includes a flush toilet body including a bowl and having a rim water ejection port, a drain trap pipeline, and a jet water ejection port; a flush water tank body; a rim drain valve; and a jet drain valve, in which the flush toilet apparatus has an exhaust path along which air of an air layer formed in an upstream side of a jet water conduit is discharged, in which the rim-water-ejection drain port and the jet-water-ejection drain port are each provided at a position higher than the lower end of the rim water ejection port, and in which flush water is supplied into the jet water conduit after a flush is started and before the jet drain valve is opened.
Owner:TOTO LTD

Intelligent closestool based on strain gauge type sensor and urine volume detection system

The invention relates to the technical field of medical health monitoring, and discloses a urine volume detection system based on a strain gauge type sensor, which comprises a urine collection container, a strain gauge type sensor, an electromagnetic valve, a main controller and an infrared human body sensor, the upper port of the urine collecting container is used for receiving urine, and the lower port of the urine collecting container is connected with the strain gauge type sensor; the strain gauge type sensor is used for detecting the weight change of the urine collection container, the urine volume detection system based on the strain gauge type sensor and the intelligent closestool overcome the defect that a traditional closestool cannot measure and record the urine volume, convenience is brought to patients who do not want to use a urinal or a pedestal pan and old people with poor eyesight, and the intelligent closestool is convenient to use. A user can know the urine volume when using the closestool or pouring urine into the urinal into the closestool, use is convenient and sanitary, accurate urine volume data helps a doctor to formulate a more accurate medication scheme for a patient, and the patient is prevented from seeing a doctor repeatedly and the health risk caused by medicine problems.
Owner:JINING NO 1 PEOPLES HOSPITAL (JINING ACAD OF MEDICAL SCI)

Anti-siphon structure of valve

The utility model generally relates to the technical field of bathroom equipment, in particular to an anti-siphon structure of a valve, which comprises a valve body provided with a water inlet pipe forming a water inlet channel and a water outlet pipe forming a water outlet channel, and further comprises a branch water way provided with a communication port communicated with the water inlet channel. The branch water way is further provided with an air inlet communicated with the outside atmosphere. According to the utility model, the branch waterway is adopted to replace the mode of directly forming the air supplementing hole in the pipeline, and the position of the first end of the branch waterway, namely the air supplementing hole, in the water inlet channel is controlled by adjusting the length and the shape of the branch waterway, so that the structure always keeps a better anti-siphon effect, and the problem that the arrangement position of the anti-siphon structure is limited is solved. Meanwhile, the anti-siphon / anti-backflow hole and the anti-siphon / anti-backflow structure can be arranged at the non-highest point position, the whole device occupies a smaller space in height, and the structure is more compact.
Owner:XIAMEN R&T PLUMBING TECH

Method and device for removing solids downstream of a siphon of a toilet

According to said method, the solids are packaged together with some air into individual bags (63) formed from a continuously supplied tube, and the buoyant bag (63) is hermetically sealed and released into the sewage system. The corresponding device contains, downstream of the siphon of the toilet (100), at least the following technical components for handling the siphon discharge within a closed system: • a solids removal tank (3) for collecting the solids; • a solids pump (28) for conveying the removed solids upward in a riser pipe (4) into an elevated solids tank (5); • a portioning apparatus (6) having a metering valve (7) for dropping solids portions into a tubular-bag packaging unit (9) located therebelow; • a tubular-bag packaging unit (9) for producing, from a continuously supplied tube, bags (63) which are hermetically sealed and then separated and which contain solids and some air, for discharge into the sewage system.
Owner:LEFT AG

Method and device for removing a chemical substance from human excreta

The invention relates to a method for removing a chemical substance from human excreta, such as faeces and urine, comprising the following steps of: providing a toilet for a person from whose excreta the chemical substance must be removed; releasably connecting a filtering device to the toilet, wherein the filtering device comprises at least one removable cartridge with a filter; transporting the excreta by means of a transport screw from the toilet toward the filter in the cartridge, wherein pressure is exerted on the excreta by means of a plunger; filtering the chemical substance out of the excreta in situ using the filtering device; periodically replacing the at least one cartridge; and processing the replaced cartridge. The invention also relates to a filtering device for application in this method, and a cartridge for use in such a filtering device.
Owner:BEAM IP BV

Water trap squatting pan

The utility model relates to the technical field of sanitary ware, in particular to a trap squatting pan. The trap squatting pan comprises a panel and a container bag, and the top of the panel is connected with the top of the container bag. A sewage inlet and a sewage discharge pipeline are formed in the container bag, the sewage inlet is communicated with the sewage discharge pipeline, and a trap is formed on the sewage discharge pipeline, so that a water sealing surface is formed at the sewage inlet. A first slope and a second slope are formed on one side, facing the panel, of the container bag, the first end of the first slope is connected with the wall face of the sewage inlet, the first end of the second slope is connected with the second end of the first slope, and the inclination angle of the first slope is larger than that of the second slope. According to the trap squatting pan provided by the utility model, the water seal area of the water seal surface at a specific height can be effectively increased, so that the odor isolation effect of the water seal surface of the squatting pan is enhanced, the pollution discharge efficiency is improved, and the user experience feeling is effectively improved.
Owner:FOSHAN GAOMING ANHUA CERAMIC SANITARY WARE +1

Water closet

PendingJP2025115537AWater closets
To provide a water closet that allows easy visual confirmation from the lateral side of the toilet bowl body regarding the positioning state and connection state of the outlet part of the drain trap pipeline relative to the drain socket during installation, thereby improving workability.SOLUTION: The water closet 1 of the present invention comprises: a ceramic toilet bowl body 2 including a bowl part 8 for receiving waste, a rim part 10 provided at an upper edge of the bowl part, and a drain trap pipeline 12a for discharging waste from the bowl part; and a drain socket 6 connecting an outlet part 12c of the drain trap pipeline to a wall-side or floor-side drain pipe D. The toilet bowl body is provided with a front grip part 16 and a rear grip part 18 at front and rear separated positions, which can be grasped by a builder's left hand LH and right hand RH respectively. The rear grip part is positioned offset to one lateral side relative to the center position in the left-right direction of the toilet bowl body in plan view.SELECTED DRAWING: Figure 3
Owner:TOTO LTD

Flush toilet apparatus

The present invention provides a flush toilet apparatus (1) including a flush toilet main body (2) including a bowl (2a) and a discharge trap conduit (2b), a flush water tank main body (4), a rim discharge valve (8) that controls spouting and stop of flush water from a rim spout port (2c), a jet discharge valve (10) that controls spouting and stop of flush water from a jet spout port (2d), a rim conduit (2e) that guides flush water drained via the rim discharge valve to the rim spout port, and a jet conduit (2f) that guides flush water drained via the jet discharge valve to the jet spout port, and a cross-sectional area of the rim spout port is smaller than a cross-sectional area of the jet spout port.
Owner:TOTO LTD

Pedestal pan

ActiveCN223793670UWater closetsWater flowPipe
The utility model relates to the field of bathroom facilities, in particular to a pedestal pan which comprises a barrel body (1) and a pipeline (2) connected with the barrel body. The barrel body comprises a dirt falling opening (12) formed in the bottom of the barrel body, and a spraying opening (15) is formed below the dirt falling opening. The pipeline comprises a pipeline opening (21), an ascending section (22), a descending section (23) and a pollution discharge section (24), wherein the ascending section (22), the descending section (23) and the pollution discharge section (24) are sequentially connected end to end. The connecting position of the ascending section and the descending section is the highest point of the ascending section and the descending section. The direction of the jet orifice is opposite to the pipeline orifice. And the pipe diameters of the ascending section and the descending section are gradually reduced along the water flow direction. The ratio of the sectional area of the pipeline opening to the area of a first section (221) between the ascending section and the descending section is 1: 0.52-1: 0.72, and the ratio of the sectional area of the pipeline opening to the area of a second section (231) between the descending section and the pollution discharge section is 1: 0.53-1: 0.63. According to the pipeline with the ratio, more flushing dirt can be quickly discharged, the flushing capacity of the pedestal pan is improved, and blockage can be reduced due to the increased pipe diameter.
Owner:FUJUN HUIYING TECH (SHANGHAI) CO LTD

Toilet Seals

Disclosed are various embodiments for facilitating the installation of a toilet over a closet collar for a drain pipe. In one or more embodiments, a toilet seal assembly includes a seal ring, a component including a seal ring receptacle and a funnel, a sealing washer, and a plate. The seal ring can be configured to be positioned over a toilet closet collar. The seal ring receptacle can be configured to be positioned over the seal ring, and the funnel can be configured to be inserted into the toilet closet collar. The sealing washer can be configured to be positioned over the component having the seal ring and the funnel. The plate can be configured to be positioned over the sealing washer and under the toilet.
Owner:DANCO INC

Flush toilet apparatus

The present invention provides a flush toilet apparatus that includes a flush toilet main body, and a flush water tank that is fixed via at least two fixing points and causes flush water to flow into a water inlet of the flush toilet main body, in which the water inlet is provided at a position eccentric to one side with respect to a lengthwise center line of the flush toilet main body, two of fixing points are each disposed on both sides of the discharge port, and are disposed so that a straight line connecting the two fixing points passes through the discharge port in a top view, and the fixing point located on a rear side among the two fixing points is located closer to the lengthwise center line of the flush toilet main body than a center point of the discharge port.
Owner:TOTO LTD

System, method and apparatus for forming machine learning sessions

The disclosed embodiments relate to system, method and apparatus for forming ML sessions so that an AI system can identify, track and diagnose a user through the user's bathroom sessions. As used herein, a session is a period of time during which a user is active in the toilet. The session may include certain inactivity if such inactivity lasts only for a predefined duration. In an exemplary embodiment, a system is configured to capture images of excreta and, using ML algorithms, classifies the toileting session using Digital Biomarkers (DBMs). The ability to create an excreta log to accurately deliver detailed information to doctors and healthcare providers can revolutionize healthcare by notifying when further urine or fecal screening is necessary. The disclosed embodiments of ML and image identification through AI requires no user behavior change and provides a link between medical records and specific excreta patterns.
Owner:TOI LABS INC

Intelligent toilet stool and control method thereof

The invention discloses an intelligent toilet stool and a control method thereof. The intelligent toilet bowl comprises a toilet bowl body provided with a basin cavity and a drain outlet, and the drain outlet is located in the lower portion of the basin cavity; the blow-off pipe assembly is communicated with the blow-off port and comprises a zigzag rigid pipe, the rigid pipe comprises a first pipe section and a second pipe section which are connected in sequence, and the inlet end of the first pipe section is far away from the blow-off port and can ascend and descend relative to the blow-off port; the installation base body is provided with a sewage inlet and communicated with the sewage discharge pipe assembly, the sewage inlet is located below the sewage discharge port, and the outlet end of the second pipe section is rotatably connected with the sewage inlet in a sealed mode; the driving mechanism is in transmission connection with the second pipe section and is arranged to controllably drive the second pipe section to rotate relative to the sewage inlet, the first pipe section rotates based on the second pipe section and swings relative to the sewage inlet, and the water seal position of the rigid pipe is higher than the sewage discharge position of the rigid pipe in the vertical direction; when the rigid pipe swings to the sewage discharging position, the inlet end of the first pipe section is lower than the sewage discharging opening and higher than the sewage inlet, and therefore flushing noise is lower.
Owner:JOMOO KITCHEN & BATHROOM

Check valve with ventilation device

A check valve comprising, between an inlet end and an opposite outlet end along a common longitudinal axis, optionally an adapter arranged between the inlet end and a seal seat, a seal seat formed by a rigid scaffold, a closure element formed by an elastic closure part, optionally a stop ball, and optionally a stop that can be latched to the scaffold, wherein the scaffold and the closure part are shaped to match one another in the region of the seal seat, and the closure part is tensioned against the scaffold in the region of the seal seat in the rest position and is retained therein, wherein the scaffold has breaches in the region of the seal seat, and the closure element is formed in one piece with a venting device.
Owner:TROBOLO EUROPE SP ZO O

Dual-trap toilet having improved pressurization and flushing

A toilet assembly may comprise a toilet tank to hold flush water, a flush valve assembly positioned in the toilet tank, a trapway in flow communication with the toilet bowl, a container positioned in the toilet tank, and a connecting tube extending from an interior of the container to the trapway. Between flush cycles, the tank may store a volume of flush water. The flush water may be divided between different regions of the tank that are defined by the structure of the container. Between flush cycles, the container and the trapway may contain pressurized air. A force exerted by pressurized air in the trapway on water in a lower trap may cause an upstream water level in the lower trap to be lower than a downstream water level in the lower trap.
Owner:AS AMERICA INC

Toilet

The present invention discloses a toilet comprising a bowl and a flushing structure. The flushing structure is connected to the top of the bowl and disposed around the bowl. The flushing structure defines a water flow channel that surrounds and connects to the bowl, and at least one side of the flushing structure is provided with a water outlet that connects to the water flow channel. The flushing structure defines a guide surface that connects to the inner wall of the bowl, the guide surface being arranged at an angle to the horizontal plane. The water flow channel defines at least one bend, and the guide surface is provided with an oblique flow portion at the bend, which bends and connects to the inner wall of the bowl. The technical solution of the present invention aims to achieve more uniform flushing of the toilet bowl and better cleaning results even under low water pressure.
Owner:FOSHAN HEGII SANITARY WARES

Water-flushed toilet pan

ActiveEP4159942B1Water closets
The invention concerns a water-flushed toilet pan with a rimless toilet bowl (1), with the supply of flush water in its rear top part, which includes an inlet pipe (8) terminated with an inlet hole (7) and a channel (9) located behind it, terminated with an outlet (10). The outlet hole (2) to the trap (3) is located in the bottom part of the bowl (1). The toilet pan has the first central plane (A-A), which, when the toilet pan is assembled, is parallel to the installation wall and abstractly divides the toilet pan through the centre of the outlet hole (2) into the front and rear section, as well as a perpendicular second central plane (C-C), which abstractly divides the toilet pan through the centre of the outlet hole (2) into the right and left section. The toilet bowl (1) has a top edge (6) that is a fragment of the top inner surface of the toilet bowl (1), located directly below the external cover (5) and having an approximately elliptical shape, formed as a flat circle whose walls are essentially vertical. The outlet hole (2) is shifted within that ellipse towards the rear of the toilet pan. The outlet (10) of the channel (9) is positioned asymmetrically to the second central plane (C-C), on the right or left side of the bowl (1), in its upper area, so that flush water flows into it falling first on the rear section of the top edge (6), in a direction essentially horizontal and tangential with the inner surface of the bowl (1), and then performs rotary motion inside it. The toilet pan is characterised in that the internal shape of the toilet bowl (1), excluding the location of the outlet (10), has a symmetric shape relative to the second central plane (C-C), and that the bowl (1) on its internal side, at the level of the outlet (10) and directly below the top edge (6), has an upper threshold (12) formed as a bulge running horizontally around the inner surface of the toilet bowl (1), whereas it protrudes slightly less in the rear area of the toilet bowl (1) than in other areas thereof.
Owner:CERSANIT

Toilet assembly with fluidic oscillator

ActiveEP3738676B1UrinalsWater closets
A toilet assembly includes a toilet body (102) and a fluidic oscillator. The toilet body (102) defines a toilet bowl (106) that is configured to receive a volume of fluid therein. The fluidic oscillator is coupled to the toilet body (102) in a rim area (112) of the toilet bowl (106). The fluidic oscillator is positioned to direct a fluid onto an inner surface (108) of the toilet bowl (106). The fluidic oscillator is configured to continuously redirect the flow of fluid to different locations along the inner surface (108) of the toilet bowl (106).
Owner:KOHLER CO(US)