Class / Patent application number | Description | Number of patent applications / Date published |
004421000 | Siphon discharge | 35 |
20100175177 | Water Closet Comprising Variable Soil Exhaust System - The present invention discloses a water closet comprising a variable soil exhaust system which can improve durability and reduce an amount of flush water. The water closet according to the present invention comprises a variable siphon soil exhaust system including: a flexible water bladder installed at a rear side of a bowl to be connected to a water supply passage, a tension spring for applying an elastic force to contract the water bladder, a variable siphon tube connected to the water bladder via a bracket to allow soil to be exhausted from the bowl while lifted and lowered by an expanding and contracting motion of the water bladder, and a small tube for connecting the water bladder to the variable siphon tube; and a cover installed to surround the soil exhaust system. The cover is formed by coupling first and second half covers of the same shape and comprises a first port connected to the water supply passage, a second port connected to the bowl, and a third port connected to a bottom tube laid under the floor; the variable siphon tube has one end connected to the bowl through a bellows tube and the other end communicating with the interior of the cover; and the tension spring is installed within the water bladder in such a manner that an upper end thereof is fixed to an upper catching portion installed at an outlet of the water supply passage and a lower end thereof is fixed to a lower catching portion provided on the bracket or a bottom surface of the water bladder. | 07-15-2010 |
20120198610 | High Performance Toilet With Rim-Jet Control Capable of Enhanced Operation at Reduced Flush Volumes - A siphonic, gravity-powered toilet bowl assembly having a toilet bowl, which includes a bowl inlet in fluid communication with a source of fluid; a rim around an upper perimeter of the bowl defining a rim channel, having an inlet port in fluid communication with the bowl inlet and at least one outlet port; a bowl outlet in fluid communication with a sewage outlet; a direct-fed jet having an inlet port in fluid communication with the bowl inlet for receiving fluid and the bowl outlet for discharging fluid; and a control unit arranged in communication with the bowl inlet for controlling flow from the source of fluid passing through the bowl inlet into the inlet ports of the rim channel and the direct-fed jet, having a first extending rear portion and a second rim channel end portion, wherein the rear portion may extend at least partially into the bowl inlet. | 08-09-2012 |
20120260415 | FABRICATED MOST WATER-SAVING TOILET MADE OF NOVEL THERMOPLASTIC RESIN COMPOUND MATERIAL AND A PREPARATION METHOD THEREOF - A water-saving toilet is made of a novel thermoplastic resin compound material. The material includes inorganic stuffing provided by an injection technique and includes a main body with a water outlet in the lower part and a flushing water pipe outlet in side wall of the water outlet, a water tank with a cavity at the bottom which is provided with a main pipe opening and a flushing pipe inlet opposite the water tank and communicating with the main body by the main pipe opening, a flushing pipe and a siphon pipe the upper end of which including a water inlet connected with the water outlet. The present invention also provides a method of producing the toilet, featuring easily available and sufficient raw material, simple operation, high production efficiency, low energy consumption and environment friendly property. The toilet has fine appearance, is self-cleaning, water saving and smooth flushing. | 10-18-2012 |
20130019391 | FLUSH TOILET - The flush toilet comprises: a bowl portion including a waste receiving surface and a rim portion; spout portions for spouting flush water supplied from a reservoir tank into the bowl portion; and a water discharge trap pipe for discharging waste, the inlet of which is connected to the bottom of the bowl portion; whereby the bowl portion waste receiving surface includes an upper waste receiving surface connected to the rim portion, and a concave portion connected between the upper waste receiving surface and the discharge trap pipe, the concave portion includes a bottom surface connected to the discharge trap pipe and positioned below the upper waste receiving surface and a wall surface connecting this bottom surface and the bottom edge portion of the upper waste receiving surface, and the front region of this wall surface forms a sloped surface sloping on the inside from bottom to top. | 01-24-2013 |
20140289947 | FLUSH TOILET - A flush toilet which including a bowl portion having a waste-receiving surface, a rim and a recess; a water spouting portion for spouting the flush water forwardly; and a drainage conduit. The recess of the bowl portion has a bottom below a pooled water level, and a wall surface connecting between the bottom and a lower edge of the waste-receiving surface, wherein the bottom of the recess has a front bottom surface and a rear bottom surface. The bowl portion is configured to allow flush water to form a major stream which is directed to flow from an front end of the bowl portion toward the inlet of the drainage conduit, and the rear bottom surface of the bottom is configured to allow a part of the major stream to collide therewith, and then guide the collided major stream to a front region inside the drainage conduit. | 10-02-2014 |
20160069059 | Flexible Conduit Element - The current invention comprises a flexible conduit means for an exhaust system of a combustion engine vehicle, comprising a bellows member ( | 03-10-2016 |
004422000 | With flush valve | 5 |
20080263758 | Apparatus For Flush Toilet - A toilet flush regulator mechanism driving the discharge of water from the flush tank together with the change of geometrical positioning of the curve that forms the toilet siphon; the driving is performed through a system of stems and plates connected among each other by rods, springs and pins joined to the toilet's movable siphon which goal is saving and rationalize the waste of water during the flush. The system works by acting on a driving lever( | 10-30-2008 |
20130291297 | TOILET FLUSHING DEVICE AND FLUSH TOILET - Providing a toilet flushing device and a flush toilet both of which can desirably execute toilet flushing. A toilet flushing device ( | 11-07-2013 |
20130312173 | WATER-SAVING SIPHON TOILET - A water-saving siphon toilet has a toilet body and a water tank, a eject water channel used for flushing the bottom of the toilet body and a brushing water channel used for brushing the washable surface of the toilet body are arranged between the toilet body and the water tank, and a siphon channel used for pollution is arranged at the bottom of the toilet body, and a first drain valve and a overflow pipe are arranged in the water tank, the eject water channel is isolated from the outside air, and reserved water is stored in the eject water channel for assisting flush the bottom of the toilet body next time. The eject water channel of the toilet body contacts outside air only at the water seal out of the eject hole when the toilet is at non-working states. | 11-28-2013 |
20150322659 | QUICK SIPHON TOILET - The present invention provides a quick siphon toilet. The quick siphon toilet comprises a toilet body and a water tank, the toilet body is disposed with a spray waterway to wash the bottom portion of the toilet body and a flush waterway to wash the periphery wall of the toilet body, the bottom portion of the toilet body is disposed with a siphon washing-out pipe, the water tank is disposed with a drain valve, wherein the drain valve is disposed with a first drain outlet connected to the flush waterway and a second drain outlet connected to the spray waterway, the spray waterway is disconnected to the flush waterway. In a condition of same water volume, the present invention has longer siphon time and flushing time and better washing-out effect. And the present invention uses less water based on well flushing function, thus making it water-saving. | 11-12-2015 |
20160122989 | Water Tank-Less Toilet Flushing System with Control System Thereof - A water tank-less toilet flushing system includes a toilet bowl and a control system which includes a flush valve located higher than a top surface of the toilet bowl and a check valve operatively linked to the flush valve. When the flush valve is opened, the check valve is closed due to a water pressure for enabling the water to flush the toilet bowl. When the flush valve is closed, the check valve is opened for communicating an interior of the flush valve with an ambient atmosphere to prevent water in the toilet bowl to be backflow to the flush valve. | 05-05-2016 |
004425000 | Siphonic jet at trap | 8 |
20080271234 | SIPHON JET TOILET - A siphon jet toilet for supplying flush water in a storage tank by using the head pressure thereof is disclosed. The siphon jet toilet has a toilet main unit furnished with a bowl portion, a rim water spout, a drain trap passage for expelling waste using siphon action, a jet water spout opening formed at a position opposite the inlet of the drain trap passage, a rim water channel for supplying flush water to the rim water spout opening, and a jet water channel for supplying flush water to the jet water channel. The jet water channel includes a plurality of branched water conduits, a merging portion for causing flush water from the plurality of branched water conduits to merge and swirl toward the jet water spout opening and a flow aligner for aligning the flow of flush water merged in the merging portion. The merging portion including an outer wall portion formed in essentially a straight line so that flush waters in the outer region of the swirl collide head-on and an inner wall portion on which a bent portion is formed so that flush water in the inner region of the swirl flows smoothly toward the jet water spout opening. | 11-06-2008 |
20090241250 | High Performance Toilet Capable of Operation at Reduced Flush Volumes - A siphonic, gravity-powered toilet is provided that includes a toilet bowl assembly having a toilet bowl. The toilet bowl has a rim channel provided along an upper periphery thereof and a direct-fed jet channel that allows fluid, such as water, to flow from the inlet of the toilet bowl assembly to the direct-fed jet outlet port into the interior of the toilet bowl, in the sump of the bowl. The rim channel includes at least one rim channel outlet port. In this toilet, the cross-sectional areas of the toilet bowl assembly inlet, the inlet port to the rim channel, and the outlet port to the direct-fed jet channel are configured so as to be optimized to provide greatly improved hydraulic function at low flush volumes (no greater than about 6.0 liters per flush). The hydraulic function is improved in terms of bulk removal of waste and cleansing of the bowl. | 10-01-2009 |
20100242163 | FLUSHING ARRANGEMENT FOR A WC, AND METHOD OF OPERATING SUCH A FLUSHING ARRANGEMENT - The flushing arrangement has a toilet bowl ( | 09-30-2010 |
20110078850 | METHOD FOR FLUSHING A TOILET BOWL HAVING A SIPHON, AND WC - The WC has a toilet bowl and a flushing arrangement by means of which, in a flushing operation, the toilet bowl is supplied with water as a flushing stream in order to flush out the contents of the bowl and to clean the bowl surface. The flushing arrangement has means which, during a flushing operation, use water to clean the bowl surface in a transition region from the bowl to the siphon, the cleaning power of this water being directed specifically at this transition region. | 04-07-2011 |
20120174310 | High Performance Toilets Capable of Operation at Reduced Flush Volumes - Siphonic, gravity-powered toilets are provided that include a toilet bowl assembly having a toilet bowl. The toilet bowl has a rim channel provided along an upper periphery thereof and a direct-fed jet channel that allows fluid, such as water, to flow from the inlet of the toilet bowl assembly to the direct-fed jet outlet port into the interior of the toilet bowl, in the sump of the bowl. The rim channel includes at least one rim channel outlet port. In the toilets herein, the cross-sectional areas of the toilet bowl assembly inlet, the inlet port to the rim channel, and the outlet port to the direct-fed jet channel are configured so as to be optimized to provide greatly improved hydraulic function at low flush volumes (no greater than about 6.0 liters per flush). The hydraulic function is improved in terms of bulk removal of waste and cleansing of the bowl. | 07-12-2012 |
20130185860 | FLUSH TOILET DEVICE - When a bowl | 07-25-2013 |
20150345124 | SPRAY SIPHON TOILET WITH ACCELERATING SIPHON - A spray type siphon toilet with accelerating siphon includes a toilet body and a first water tank, the top of the urinal of the toilet body is disposed with a flushing hole, the bottom of the urinal of the toilet body is disposed with a spray hole, the toilet body further comprises a flushing waterway to the flushing hole and an spray waterway to the spray hole; the first water tank is disposed with a first drain valve, the inlet of the spray waterway is connected to the drain port of the first drain valve; wherein the spray waterway is connected to a water seal structure, air cannot enter the spray waterway after the first drain valve drains; the water seal surface is even with the water seal surface of the urinal of the toilet body. | 12-03-2015 |
20150354193 | A Toilet Including a Water Trap Having a Conical Part - The present invention relates to a toilet comprising a bowl ( | 12-10-2015 |
004426000 | With check valve | 1 |
20160083950 | Flush toilet with build-in one-way valve system for use in unclogging clogs and for efficient water-saving flush operations and related methods. - In general, a flush toilet with a built-in clog removal system is described. Additionally, a flush toilet with a one-way valve system for efficient and water conserving operation is disclosed. In one embodiment, the disclosed toilet is defined by: a bowl connected to an drain pipe; at least one one-way valve positioned pipe; and a pump in fluid communication with the pipe so that (a) initiating the pump to force the piston downward or upward causes fluid-flow in the pipe so that the one-way valve closes or opens as a result of pressure or a vacuum against debris clogging the drain. | 03-24-2016 |
004427000 | Overflow inhibitor | 13 |
20080250555 | TOILET OVERFLOW PREVENTION SYSTEM - A toilet over flow prevention system for installation into a toilet having a tank in fluid communication with a bowl and having a flapper style flush valve and a supplemental water supply. The over flow system includes a flapper solenoid mounted in the tank, for depressing the flapper valve into a closed position, a overflow sensor mounted in the bowl for sensing a over fill condition in the bowl, and a control box communicating with the over flow sensor and the flapper solenoid for operably signalling the flapper solenoid to depress the flapper valve into the closed position in the case of a over fill condition. | 10-16-2008 |
20090000018 | TOILET OVERFLOW CONTROL - A toilet overflow control system is provided including a secondary float chamber and secondary float. The secondary float chamber is located below the toilet water tank and behind the toilet bowl at the water level of the toilet bowl and extending upward to the bottom of the toilet water tank. A vertical rod extends upward from the secondary float and is attached to a lever on the toilet water supply valve. This allows the secondary float to turn off the water when the toilet bowl water rises above a normal level. The vertical rod is inside a tube that allows it to go through the water tank without any loss of water. The secondary float chamber is fluidically connected to the toilet bowl by a horizontal conduit located just above the toilet bowl normal water level. A rinse hose is connected to the water supply valve to allow rinse water to flow into the secondary float chamber to prevent a back flow of water into the secondary float chamber during the flush. | 01-01-2009 |
20100095447 | TOILET OVERFLOW PREVENTION SYSTEM AND METHOD - A system for preventing overflow of a toilet includes a sensor, a processor and an actuator. The sensor senses a parameter caused by fluid dynamics within the toilet during a flush cycle. The parameter may involve vibration, sound, pressure, fluid flow rate or other detectible characteristics of the toilet. The processor uses information regarding the parameter that is gathered by the sensor to evaluate the condition of the flush cycle to determine if an impeded flush condition exists. In the event of an impeded flush condition, the processor directs the actuator to close a valve, which may be the toilet flapper valve in some embodiments. Also disclosed are methods for preventing toilet overflow, detecting an impeded flush condition and calibrating the system. | 04-22-2010 |
20100299823 | Anti-Overflow Toilet and Method - The present invention provides for an improved toilet for flushing bodily waste materials. This toilet includes a secondary drain that communicates liquid that is backing up during a potential overflow situation into a conventional drainage sewer without any modification to that sewer. | 12-02-2010 |
20110258766 | Toilet Overflow Preventer - A toilet overflow preventer includes an overflow sensor configured to extend into the interior of a toilet bowl. The overflow sensor includes a housing having a liquid-porous bottom with a switch located inside the housing. A battery is in electrical communication with the overflow sensor. An actuator assembly is connected to the battery and the overflow sensor. The actuator assembly includes an actuator having an actuator arm moveable from a first position not in contact with the toilet flush valve to a second position in contact with the toilet flush valve based upon a signal from the overflow sensor switch. | 10-27-2011 |
20120023654 | TOILET OVERFLOW PREVENTION SYSTEM AND METHOD - A system for preventing overflow of a toilet includes a sensor, a processor and an actuator. The sensor senses a parameter caused by fluid dynamics within the toilet during a flush cycle. The parameter may involve vibration, sound, pressure, fluid flow rate or other detectible characteristics of the toilet. The processor uses information regarding the parameter that is gathered by the sensor to evaluate the condition of the flush cycle to determine if an impeded flush condition exists. In the event of an impeded flush condition, the processor directs the actuator to close a valve, which may be the toilet flapper valve in some embodiments. Also disclosed are methods for preventing toilet overflow, detecting an impeded flush condition and calibrating the system. | 02-02-2012 |
20130104305 | ANTI-OVERFLOW TOILET AND METHOD | 05-02-2013 |
20130247292 | Apparatus for Prevention of a Toilet Overflow - To prevent an overflow in a toilet system having a tank in fluid communication with a bowl and having a flapper style flush valve, the invention suggests using a baffle assembly mountable between the tank and the bowl. A water level sensor is positioned in the bowl and sends an out-of-range signal to a solenoid, which causes a pivotal baffle plate to close a fluid path between the tank and the bowl. | 09-26-2013 |
20140201896 | Toilet overflow prevention device - The invention is directed to a toilet overflow prevention device. The device is a toilet tank shutoff system, composed of a sensor for use in the toilet bowl or tank, an electro-mechanical actuator, and an electronic communication link. The electromechanical actuator is configured to raise the control rod, which controls the filler valve of the toilet. A latch mechanism would retain the control rod, once it is raised. The system would raise the control rod upon receiving a signal from the sensor that the toilet is at risk of overflowing; the control rod would be retained in the raised position by the latch mechanism without requiring electric current, until released manually by the user. The sensor in the toilet bowl would preferably be in electronic communication with the electro-mechanical actuator in the toilet tank by a wire covered in a durable material, or by a short range, wireless communication protocol. | 07-24-2014 |
20150299998 | ANTI-OVERFLOW TOILET AND METHOD - A toilet fixture includes a bowl, a primary drain fluidly connects said basin and said sewer drainage pipe, and a supply water plenum. The fixture further includes a secondary drain fluidly connecting said supply water plenum to said sewer drainage pipe. The secondary drain is separate from said primary drain and includes inlet means that are disposed within said supply water plenum and include at least one unshielded secondary drain hole in a lower half of the plenum. The secondary drain further includes a second drain channel. The secondary drain further includes a second drain outlet that is in fluid communication with said second drain channel, whereby said inlet means permits rising waste water to flow from said supply water plenum into said second drain channel and out of said second drain outlet to said sewer drainage pipe separately from the primary drain. | 10-22-2015 |
20150322660 | ANTI-OVERFLOW TOILET - An anti-overflow toilet includes a jet feed conduit that is positioned opposite to a waste drain outlet. The toilet also includes an overflow conduit having an overflow inlet that is positioned within the jet feed conduit, which delivers flushwater from a tank to a jet outlet port to the toilet bowl. In the event the bowl becomes clogged, excess flushwater within the bowl is routed back through the jet outlet port and into the overflow inlet of the overflow conduit, whereupon the flushwater is routed via the overflow conduit away from the toilet to a suitable drain. | 11-12-2015 |
20160047113 | Toilet with Flushable Overflow Drain - A toilet with a flushable overflow drain includes a bowel and a primary drain connected to the bowel to receive fluid therefrom and having a primary drain trap. An overflow drain including an overflow drain trap is connected to the bowel at one end thereof and is connected at a second end to the primary drain at a location downstream of the primary drain trap. An overflow drain flush passage is connected to the overflow drain at a position upstream of the overflow drain trap. Accordingly, water can be directed through the overflow drain flush passage and into the overflow drain to flush the overflow drain and the overflow drain trap free of debris to prevent clogging. | 02-18-2016 |
20170233993 | TOILET OVERFLOW PREVENTION SYSTEM AND METHOD | 08-17-2017 |
004429000 | Pan bowl | 2 |
20140026310 | CERAMIC TOILET BOWL - A ceramic bowl obtained by means of casting in moulds, comprises: a liquid collection pan ( | 01-30-2014 |
20140026311 | CERAMIC TOILET BOWL AND METHOD FOR MANUFACTURING THE BOWL - A ceramic bowl obtained by means of casting in moulds comprises: a liquid collection pan ( | 01-30-2014 |