Abstract: A bathroom management apparatus may include a case having an air suction port formed in an upper portion of a front surface thereof, a first air discharge port formed in a lower portion of the front surface thereof, and a second air discharge port formed in a lower surface thereof. A suction vane opens or closes the air suction port, and first and second discharge vanes opens or closes the first and second air discharge ports, respectively. A duct is provided in the case to connect the air suction port, the first air discharge port and the second air discharge port to one another. A blowing fan is provided in the duct to suck air through the air suction port and blow the air to the first air discharge port and the second air discharge port. A heater heats the air in the duct.

Abstract: An odor dispersion assembly for dispersing an odor from a receptacle to an external exhaust through an existing structure and at least one existing pipe. The assembly is operable to suck the odors at a proximal point to their discharge. A receptacle receives a discharge. The receptacle includes a seat for providing a surface for a user to sit for performing the discharge. The seat include at least one aperture that receives and directs the odor to a cavity within the seat. A pressure differential portion sucks the odor from the cavity. The odors passes through a dispersion tube behind the toilet, and through an existing barrier. The dispersion tube joins with at least one existing pipe and tubing behind the existing barrier. The existing pipes carries the odor to an exhaust portion. Existing pipes and structures are used to minimize costs.

Abstract: An odor eliminating toilet with an air passage and enclosed ventilating fan is disclosed. Odors are removed from the toilet bowl during use by an air passage connecting the toilet bowl with the sewer outflow. The air passage contains a ventilating fan for removing said odors.

Abstract: A vented toilet system for use in a residential or commercial building. The vented toilet system comprises a toilet bowl and a vent cavity arranged adjacent to a top surface of the bowl. The system also comprises a water cavity arranged adjacent to and directly below the vent cavity. The system comprises a seat arranged on a top surface of the bowl and a toilet tank connected to the bowl. The system also comprises a wireless motion detection unit arranged adjacent to the toilet bowl, such that the operation of the vacuum pump is automatic. The wireless motion sensor may allow the vacuum pump to turn on immediately and remain on during duration of use of the toilet by the user. The vented toilet system also comprises a pipe or tube connected to the vent cavity, the pipe passes through either an existing wall or other structure to a vacuum pump and then to the outside of the structure in which the toilet is located.

Abstract: A standard fitting toilet commode made with a hardly-noticeable integrated elongated vertical auxiliary chamber located below and behind the seat. The chamber is with a plugged external top opening at the toilet bowl's rear rim behind the seat, and another internal upper side opening connecting with the commode's drain above and downstream of the water siphon. For optional conversion into a self-ventilating toilet, a compact electric fan unit is retrofitted behind the toilet seat and secured thereto at the seat anchor holes. A single intake nozzle sucks toilet bowl gases from under the rear of toilet seat, through the electric fan, and out into the auxiliary chamber's external opening through an exhaust pipe which converts the chamber into a bottle water trap. A built-in detection sensor, an electronic control unit, and a solenoid valve manage the electric fan's operation and the bottle water trap's replenishment with water.

Abstract: The present disclosure further provides a toilet for exhausting odorous air therefrom, comprising a bowl, a trap, a housing, a self-contained ventilation system, a water tank, and a water supply line. The bowl has a rim therearound wherein the bowl communicates with the rim. The main trap is contained in the bowl wherein the trap is for communicating the contents in the bowl with a drain conduit so as to provide a passageway from the bowl to a drain stack. The ventilation system includes an exhaust blower having a blower inlet and a blower outlet. The blower inlet is in communication with air space between the contents in the bowl and the rim. The blower outlet is in communication with the drain conduit downstream from the trap. The exhaust blower including a cut-off switch for deactivating the exhaust blower during a flush.

Abstract: A toilet ventilation system for removing unpleasant odors from a toilet efficiently. The toilet ventilation system has a manifold with an inlet that rests on an upper surface adjacent to the toilet bowl. The manifold has an outlet that is in communication with the inlet and the manifold has protrusions that extend from its sides. The protrusions are on cantilevered tabs. The toilet seat has hinges that have mounting portions being spaced apart and including mortices facing inward. The protrusions are designed to snap fit into the mortices and the tabs may be bent inwardly for easy removal of the manifold for cleaning. A fan is connected to the manifold to draw air through the inlet out of the manifold and exhaust the air to a remote location from the toilet and outside of the room where the toilet is located.

Abstract: An odor extraction device (1) for a toilet having a pan (2) and a cistern (4) is disclosed. The extraction device (1) includes an inlet (3) and an outlet (5). The inlet (3) is adapted for gas communication with an interior of the toilet pan (2) above the water level in the pan (2). The outlet (5) is in gas communication with the inlet (3). The outlet (5) is also adapted for gas communication with a sewerage pipe (6). A suction means, in the form of an impeller fan (7), is provided intermediate the inlet (3) and the outlet (5) for drawing gas from within the pan (2) in through the inlet (3) and out through the outlet (5). To prevent backflow of unpleasant odors from the sewerage pipe (6) to the pan (2), a one way valve (8) is provided between the inlet (3) and the outlet (5).

Abstract: The present invention's toilet provides a toilet odor removal apparatus The toilet may additionally provide a dual flushing system and/or water overflow prevention system. The odor removal apparatus is operable to withdraw air from a toilet bowl via a suction assembly comprised of a motorized fan to discharge air into a sewer discharge line through a ventilating passage. A valve assembly for controlling the configuration of the system includes a valve controlling means and a solenoid iron plunger. Three main configurations include water flow from the toilet tank to the bowl (flushing), no water flow to the bowl and air flow from the toilet bowl through the fan to the ventilating passage (odor removal), and finally no water flow or air flow (not is use).

Abstract: A self contained battery energized apparatus is mounted within the water tank of a conventional flush toilet to eliminate malodorous gases. Air from the toilet bowl is drawn through the stand pipe in the toilet tank into a housing to expose the air to UV radiation to produce ozone molecules that have an oxidizing effect on organic matter and the UV radiation serves as a germicide and a virucide. The ozonated and oxidized gases are exhausted through a carbon filter.

Abstract: The technology described herein provides an odorless and overflow-less toilet system. The technology provides for the removal of odor at its source and aids in overflow protection. The technology provides a toilet system having a second chamber running in fluid communication with a first chamber and a second exit port to allow for the continuation of the second chamber flow to a trap assembly. The trap assembly is configured to separate exhaust odors and overflows. The trap assembly prevents sewage gasses from escaping back through the toilet. The trap assembly allows overflows to be routed back to a sewage out line. The trap assembly provides for the flow of odors from the toilet with an inline exhaust fan. The inline exhaust fan pulls odors from the toilet through the second chamber and exit port of the toilet through the trap assembly and then through the inline exhaust fan to exit.

Abstract: An odor removal system, in particular an odor removal system for use with flush toilets. The present invention includes an exhaust system, and a rim. The rim of the toilet is connected to the toilet vent via an outlet located on the toilet. The present invention implements an auto sensor that detects when the exhaust system is to be activated and deactivated. The exhaust system of the present invention includes an electric fan box that is connected to the vent pipe so as to remove unwanted odor from the toilet area and expel it out through the roof via the vent pipe.

Abstract: A seat for a lavatory pan, which includes within its thickness at least one cavity for a deodorizing filter and at least one cavity in the seat or the filter for an electrically powered fan. Air inlet openings are provided in the seat through which air can pass into the filter cavity. The openings are situated around the inside edge of the opening in the seat or in a region of the underside of the seat which does not make sealing contact with the rim of the pan when the seat is lowered and in use and is subject to the weight of a person seated thereon. An air outlet by which odor-free air can exit after being drawn through the filter by operation of the fan, is situated in the rear edge of the seat.

Abstract: A ventilation device for the discharge pipe for removing a flow medium pumped to a household appliance. A pipe ventilation valve is connected to the discharge pipe by a channel and comprises a valve body disposed in a float chamber filled with a working medium which is separated from the flow medium and actuates the valve body. The valve body is actuated by transmitting a pneumatic force between the flowing medium and the working medium of the float chamber or between the flowing medium and a sealing surface adjacent to the valve body by means of a pressure medium which is separated from the flowing medium and is enclosed in the channel. The inventive pipe ventilation device makes it possible to avoid a direct contact between the valve body of the pipe ventilation valve and the flowing medium, thereby preventing the valve body from being soiled.

Abstract: This invention relates to the direct evacuation of malicious odor found within restroom toilets and urinals. This design is aesthetically appealing, multi-usable, professional grade solution that provides the removal of malicious odors from standard toilet bowls and urinals while not requiring additional routine maintenance or reoccurring filter costs further promoting a clean healthy hassle-free restroom facility. Moreover, this invention removes the prior art necessity of requiring a localized power source and provides protection against water from being drawn into the electrical exhaust system further protecting users from health hazards during operation. This device will function within multiple applications such as reservoir and pressurized systems that provide flushing pressure for toilets and urinals.

Abstract: A toilet is provided which transports malodorous air from the bowl to the sewer line. The tank of the toilet is equipped with a fan which draws air from the bowl through the flush holes, located in the rim of the bowl, into a sealed fan box. An intake tube is used to channel air from the water inlet to the fan box, which leaves the overflow tube unobstructed. Air is diverted out of the fan box through an exit tube which attaches to the siphon at a point behind the water trap. A damper door disposed between the exit tube and intake tube prevents stale air from the siphon or sewer from entering the bowl or tank and escaping.

Abstract: A premium ventilated toilet having an automated toilet ventilation system for removing noxious fumes from a bowl area of the toilet is disclosed. The ventilation system is mostly built-in to the toilet (e.g., ventilation ducts, and sensors) so that it is unobtrusive and attractive looking, however the active parts (e.g., a blower unit containing a blower impeller, a backflow shutoff valve, and electronic control circuitry) are contained in an simple housing that is unobtrusively and removably attached to the surface (preferably on the side) of the toilet base for simplified installation, maintenance, and replacement as needed. Automated operation is enabled by a non-contact occupancy (proximity) sensor and a flush sensor, both preferably built into a flush handle of the toilet. Detection of occupancy causes the ventilation system to operate and flushing turns it off.

Abstract: An odor extracting system for a toilet bowl of a toilet pedestal, coupleable to a water supply via a flush conduit leading to flush outlets under a rim of the bowl; the bowl being coupleable to a sewage pipe via a U shaped trap; the odor extracting system comprising: an air bypass extending substantially through the pedestal, the air bypass for bypassing the U shaped trap, that is coupled to air intake ports around the toilet bowl, and to the sewage pipe downstream of the U shaped trap; an air pump for pumping air and vapors out of toilet bowl to sewage pipe via the air bypass, and a light weight air valve upstream of the air pump, the air valve to seal the air bypass when said pump is not in use to prevent escape of smells from the sewage pipe to the toilet bowl; said system further comprising a sealing lid coupled to the toilet pedestal, allowing access to the air valve and air pump, whilst preventing escape of odors from the bypass.

Abstract: A toilet assembly with a turbine bladed fan powered vent that is timed by user position and a shut-off delay. The vent discharges to a vertical gutter vent stack behind an adjacent wall. An automatic overflow control system is provided, if a clog occurs, including a bowl mounted plastic grill, that also discharges into the same vent stack is connected at its lower end to the main sewer drain. A flush assembly in the water tank is controlled by a relay activated by a pressure switch as soon as the user gets up from the toilet seat.

Abstract: Described is a multi-function device for attachment to the tank of a toilet fixture. The multi-function device provides a diffusible air-treatment concentrate for deodorizing or otherwise treating the ambient air surrounding the toilet. At the same time, the multi-function device provides a water-soluble water-treatment concentrate for treating the flush water stored in the toilet tank. The multi-function device has a bellows with a varying cross-sectional area to provide, during a flush cycle, a variable flow of air over the air treatment concentrate and into the air.

Abstract: The present invention provides a device for detection, collection, containment, neutralization, and elimination of aerosolized contaminants, comprising a lid that fully covers an edge of a container for containment of exiting aerosolized contaminants, with the lid having housing for accommodating an article. The housing comprising a top vent aligned along atop of a bottom vent, with the top vent optionally smaller in size than the bottom vent, and with the housing, the top vent, and the bottom vent located normal to a natural vertical upward move of the aerosolized contaminants. The aerosolized contaminants are detected, collected, contained, neutralized, and eliminated and sanitized by the article within the housing, allowing only uncontaminated air out of the top vent through a natural upward movement of the aerosolized contaminants via the force of the flush.

Abstract: A toilet ventilation system for automatically removing undesirable odor from a toilet during operation preferably includes a toilet, an air intake port, a conduit, and an air discharge port directly coupled to such a conduit. The toilet ventilation system may further include a mechanism for automatically ventilating odorous air from an area located adjacent to the toilet rim to an area remotely located from the toilet rim by siphoning the odorous air through the air intake port to the air discharge port.

Abstract: An odourless toilet is provided. The toilet comprises a flush tank comprising a flushing water wet chamber, which comprises a flush assembly; and a flush outlet. The flush tank also comprises a dry chamber, which is positioned adjacent the wet chamber. The dry chamber comprises a chamber inlet, and a ventilator connected to the chamber inlet. The toilet also comprises a toilet bowl, which comprises a basin and, a basin access. The basin access comprises a wet inlet in fluid communication with the wet chamber flush outlet and the basin. The wet inlet serves in conveying the flushing water to the basin. The basin access also comprises a dry outlet in fluid communication with the dry chamber inlet and the basin. The toilet further comprises a diverter, which is positioned between the flush tank and toilet bowl, and registers with the basin access. The diverter comprises a flush passage, which couples the flush outlet to the wet inlet.

Abstract: An odour removal apparatus for a toilet is described wherein the toilet has a bowl, a cistern for supplying water to the bowl, a flushing valve of a flushing mechanism within the cistern and an internal overflow in fluid and/or gaseous communication with the inside of the cistern and an area in the vicinity of the bowl. The apparatus includes an inlet adapted to be in fluid and/or gaseous communication with the bowl via the internal overflow and/or the flushing mechanism when installed. The apparatus also includes a gases extraction means for drawing gases and entrained odours from the area in the vicinity of the bowl, to the inlet, via the internal overflow and/or the flushing mechanism. The gases and entrained odours may then be passed to a filter to remove odours therefrom.

Abstract: An odor removal system, in particular an odor removal system for use with flush toilets. The present invention includes an exhaust system, and a rim. The rim of the toilet is connected to the toilet vent via an outlet located on the toilet. The present invention implements an auto sensor that detects when the exhaust system is to be activated and deactivated. The exhaust system of the present invention includes an electric fan box that is connected to the vent pipe so as to remove unwanted odor from the toilet area and expel it out through the roof via the vent pipe.

Abstract: Separate air evacuation opening and a separate manifold are formed in the toilet bowl rim for full and separate air evacuation of the toilet bowl before, during or after flushing. The exhaust assembly includes and is activated by a fan and motor exhaust assembly comprising an activation switch, one way valve, and control circuit. A piping network provides exhaust from one or more connected dwelling toilets to the dwelling exterior.

Abstract: A ventilation system for a toilet which functions by drawing air from around the bowl through the original flush holes into the existing overflow-pipe and then into a fan compartment. The fan is activated by manipulating the flush handle upward. Malodorous air is then forced through an exhaust pipe into the sewage line downstream of the gas trap. The fan is deactivated when the flush handle is pressed downward and the toilet is flushed. A water-trap between the fan and the toilet tank prevents the malodorous air from escaping into the tank. The water in the water trap is changed with each flush by redirecting the refill tube into the water trap. This prevents the water in the water trap from becoming stagnant.

Abstract: A ventilated toilet system with a toilet bowl, a toilet tank and a ventilation system. The ventilated toilet system has a vacuum system motor to expel odors from the ventilated toilet system via odor exhaust piping of varying widths, with an impeller and a housing for the vacuum system motor, that include a time delay contact relay, a flush lever button switch, a ground fault circuit interrupter with an on/off switch, a float switch and a contact relay.

Abstract: A toilet ventilation system comprising a seat mounted atop a typical toilet bowl and pivoting about a seat swivel mount, the seat with vacuum intake holes disposed on the lower side, the intake holes communicating with a vacuum canal within the seat; the vacuum canal terminating in a flexible vacuum outlet of the seat, the vacuum outlet communicating with a vacuum hose connected to a conical vacuum pump with integral electric motor, a check valve atop the pump, the pump installed in the toilet base cavity, the check valve connecting to exhaust exiting via sewer pipe below the toilet.

Abstract: An odor eliminating system utilizes an air pump to remove odors from a bowl of a toilet to a trap of the toilet. By moving the odors to the trap, the odors cannot escape back to the bowl and can only proceed out of the toilet to the sewer. The system can be adapted to existing toilets by drilling a channel to the trap or the system can be incorporated into new toilets.

Abstract: An odor removal apparatus for a toilet wherein the apparatus and toilet has a bowl, an outlet from the bowl and a barrier between the bowl and the outlet which substantially prevents odors from the outlet passing to the bowl. A gas extraction apparatus is in communication with an area in the vicinity of the bowl and the outlet whereby operation of the gas extraction apparatus substantially removes odors from the vicinity of the bowl and transfers them to the outlet. The gas extraction apparatus comprises a fan operable to induce a flow of gases and entrained odors for removal of the odors from the vicinity of a toilet. The fan is immersed in the water in the cistern of the toilet.

Abstract: A ventilation system is self contained on a toilet. The ventilation system has an enlarged vent pipe located in the water tank that communicates with the upper rim ducts of the toilet bowl. The vent pipe extends out of the water tank and reenters the toilet via the drain channel at a location downstream of the water trap. The vent pipe has a float valve in the water tank to prevent the tank from overflowing. A fan in the vent pipe exhausts the air from the toilet bowl; a flapper valve on the vent pipe end acts as a one-way valve preventing the flush from entering the exhaust duct.

Abstract: In case, Toilet gets clogged and water rises, the Drainage Tunnel has grills to block solid Excretion. Gutter-fume blocking lid in it. Holes on the back side with lids to clean it from inside. Second Tunnel on the top with elongated little windows for fast air-intake being caused by the Exhaust Turbine in the back, not letting stink escape off the bowl. An arrangement to block water from reaching the Exhaust Motor if any gets in somehow, a wall therein. A hole to drain such water, lower. An Attachment would be hooked-up in the back with one hose draining water to gutter and another to take Exhaust out of the premises.

Abstract: Improvements to toilet ventilating systems where air is drawn from an air inlet up into the tank so flush water can be injected into the vent channel keeping it clean and blocking mist from the fan. Air is drawn out of the bowl via an inlet chamber that is separate from the bowl's flush channel. A wall fan is mounted beneath the tank on the right and connects to a hose from a flange beneath the tank while exhausting its air into the stack behind the tank utilizing a special valve installed in the fans housing. The fans valve is placed very close to the fan blades so as to open be a light pressure from the fan and has a rubber fringe around a solid core to maintain a leak proof seal without sticking. The fan can be easily disassembled for cleaning and easily installed in existing construction or replaced with the aid of tightening knobs using turned cams without requiring any painting touch up work.

Abstract: The claim is to have possibly solved a minor problem that needs solving that has not been solved over the decades either by Inventors like me or the Toilet Industry which has had the opportunity and time but hasn't, and has not even shown a responsible interest in my contacts to them.

Abstract: A ventilation system (10) for a conventional flush toilet (100) generally comprises a battery (20); an air sweetener (30) in a water tank (140) for deodorizing or scenting air (90D); an air flow device (40) positioned within a tank (140) including a duct (50) with a fan (60) therein, and an electrical circuit (70) powering a fan (60) when a circuit (70) is activated. The duct (50) receives a bowl filling hose (166) and attaches to a top end (172) of a bowl fill pipe (170) so as to receive air from a bowl (120). A float switch (80) may deactivate a fan circuit (70) after flushing.

Abstract: The deodorization device of a sanitary device includes a case fixed to a rear portion of a toilet bowl, and a passage having a inlet hole and an outlet hole disposed in the case, a deodorant located in the inlet hole side in the passage, an electric fan located in the outlet hole side in the passage to face the outlet hole. When the electric fan is operated, the unpleasant odor gas is absorbed from the inlet hole and is removed the unpleasant odor by the deodorant. The odor free gas is discharged from the outlet hole.

Abstract: An odour removal apparatus for a toilet whereby the apparatus and toilet has a bowl, an outlet from the bowl and a barrier between the bowl and the outlet which substantially prevents odours from the outlet passing to the bowl. A gases extraction means is in communication with an area in the vicinity of the bowl and the outlet whereby operation of the gases extraction means substantially removes odours from the vicinity of the bowl and transfers them to the outlet. The gases extraction means comprises a fan means operable to induce a flow of gases and entrained odours for removal of the odours from the vicinity of a toilet. A flow control means such as a one way valve, is provided to substantially prevent odours flowing from the outlet to the bowl through the gases extraction means.

Abstract: An air filter assembly including a frame, a filter and an odor eliminator liquid. The frame forms an air flow channel. The filter is connected to the frame in the air flow channel. The filter includes at least one filter element. The odor eliminator liquid is located on a first one of the filter elements.

Abstract: An apparatus which incorporates an air ventilation system into a standard toilet seat is disclosed. The apparatus would connect a filtration system to the rear half portion of a toilet seat by a plurality of ventilation pathways, which would connect to two primary ventilation pathways located in the rear of a toilet seat, which in turn would connect to the filtration system via a house connection. The filtration system itself would be housed in a box-like container, with the container having two major compartments, a filter compartment and a fan compartment.

Abstract: An exhaust head mounted detachably to a toilet side includes a collection portion that extends inward toward the toilet bowl between the toilet base and toilet seat to collect toilet gases. The head conforms to the shape of the toilet base with a thin profile as it proceeds rearward along the toilet base from the collection portion. An inconspicuous lavatory outlet duct runs along the lavatory wall and ceiling to provide fluid communication between flexible tube and the lavatory vent. A flexible tube that bends to allow the head to be removed from the toilet for cleaning connects the head to the outlet duct. Typically, the head is attached by means of a mild magnet attached with adhesive to the toilet base side and a matching ferromagnetic material on the head aligned with the magnet. A vent insert, to which the lavatory vents are connected, is provided for installation between a preexisting room vent cover and a building duct for closing the vent upon command.

Abstract: The toilet splash shield system prevents urine and waste from splashing out of a toilet bowl, and includes a toilet bowl having a rim having upper and lower sides and front and back ends. The rim has a bore extending therethrough, and the bore is in communication with an air pump. The rim has a plurality of vent holes extending into the bore from an inner perimeter of the rim. Further, the rim has a vent in communication with the bore for permitting passage of air from the bore through an inner perimeter of the rim.

Abstract: A toilet that exhausts odious air therefrom. The toilet includes a bowl, a main trap, a housing, a secondary trap, and a fan. The bowl has a rim and contains a chamber that communicates with the rim and receives human waste that produces the odious air. The main trap is contained in the bowl and communicates the chamber with a waste so as to provide a passageway from the chamber to the waste for the human waste. The housing is contained in the bowl and communicates the chamber with the waste so as to provide a passageway from the chamber to the waste for the odious air. The secondary trap is contained in the bowl and communicates the housing with the waste so as to provide a passageway from the housing to the waste for the odious air. The fan is contained in the housing and activates when a user sits on the bowl, and when activated, moves the odious air from the chamber, through the housing, through the secondary trap, and into the waste.

Abstract: Disclosed is a venting device for removing unpleasant odors directly from inside the toilet bowl where most offensive odors originate. The odor is removed by means of an adjustable air intake which projects into a tubular device that attaches by means of tubing to duct work which exhaust unpleasant air via a duct fan. The exhausted air can be directed into attic, basement, crawl space areas, or may be sent directly outside by roof or side vents. Activation of exhaust fan may be by means of a typical on or off switch, motion detector or other devices.

Abstract: The sanitary seat has in its interior bowl sideways in phased displacement a perforated showerhead with no less than 9 holes of approximately 2 mm each one. Water pressure from 2 faucet flows to these holes originating a water impulsion (shower) directed to the upper central part of the interior of the bowl. Concentrically with the hygiene water pressure outlet holes, the terminal showerhead has, as an example, about 56 holes of 3.75 mm diameter each from where the adjustable hot dry air that comes from a special feed caloric source has its outlet.

Abstract: A toilet includes a fan configured to draw gases from the toilet bowl into the sewer line. The toilet also includes a tank assembly configured so that the tank contains a low water volume prior to the act of a user sitting on the toilet seat, and a high water volume when and after the user sits on the toilet seat. The tank assembly includes a pivoting trap cover comprising a container with an open lower end. The trap cover has an interior separator, comprising a wall. In a lowered position of the trap cover, the separator establishes a water trap or seal between an interior chamber of the trap cover and an exhaust conduit from the tank to the sewer line. In a raised position of the trap cover, the separator permits air flow from the interior chamber of the trap cover into the exhaust conduit and down to the sewer. The tank assembly also includes a float valve configured to permit water to flow into the tank from a water supply.

Abstract: A capacitance charge transfer sensing and control system for a venting system. Preferably the sensing and control system is used with a toilet having an integrated venting system which includes ducting communicating with an exhaust air passageway located in the toilet bowl and an exhaust fan to draw air from the bowl and exhaust it outside. A sensing electrode, such as a wire antenna, is located in a covered location adjacent the toilet bowl, preferably in the exhaust air passageway located in the bowl of an integrated toilet venting system. The wire antenna is connected to a detection and motor control circuit which can detect a change in capacitance of the wire antenna upon a person entering into close proximity thereto. A micro-controller in the detection and motor control circuit is programmed to generate a circuit closing signal to an electric switch located in the circuit between a power source and the exhaust fan in response to a minimum pre-selected increase in the capacitance of the wire antenna.

Abstract: A capacitance charge transfer sensing and control system for a venting system. Preferably the sensing and control system is used with a toilet having an integrated venting system which includes ducting communicating with an exhaust air passageway located in the toilet bowl and an exhaust fan to draw air from the bowl and exhaust it outside. A sensing electrode, such as a wire antenna, is located in a covered location adjacent the toilet bowl, preferably in the exhaust air passageway located in the bowl of an integrated toilet venting system. The wire antenna is connected to a detection and motor control circuit which can detect a change in capacitance of the wire antenna upon a person entering into close proximity thereto. A micro-controller in the detection and motor control circuit is programmed to generate a circuit closing signal to an electric switch located in the circuit between a power source and the exhaust fan in response to a minimum pre-selected increase in the capacitance of the wire antenna.

Abstract: A toilet venting apparatus includes an upper insert mountable between a toilet tank and a toilet bowl, and a lower insert mountable between the bowl and a floor sewer pipe. The upper insert cooperates with the toilet bowl for removal of gases in the bowl through apertures in the bowl rim. A motor driven fan extracts the gases through the upper insert and forces the gases along the lower insert into the sewer. The fan is remotely activated. Flushing the toilet disables the fan until reactuated following flushing.

Abstract: A toilet ventilation system including a toilet bowl having a plurality of ports for directing water into an interior of the bowl. The toilet includes a tank for holding water, and an interior passageway for conveying water from the tank to the ports of the toilet bowl. The toilet also includes an overflow tube mounted within the tank which is in fluid communication with the interior passageway. The toilet further includes a ventilation port in fluid communication with the interior passageway. A valve structure allows water to flow from the tank to the interior passageway of the overflow tube, but prevents air from being drawn from the tank into the interior passageway through the overflow tube.