Abstract: I wish to introduce a toilet venting system that vents through the toilet's bowl and not the toilet's seat. Using the bowl's channels in the toilet that the water uses when the toilet is flushed we can let these channels serve as venting channels. The vented air is pulled through the bowl and forced back down into the toilet's drain system. The vent fan can be installed in the wall behind the toilet and is attached to the toilet by two flexible hoses one for the intake air and the other for the exhaust air. The vent is turned on by applying presser on the toilet seat and is turned off by flushing the toilet.

Abstract: An exhaust unit for a hanging toilet bowl is described, and includes a house with a back wall and a front wall, two exhaust coupling tubes extending in the house from the front wall to the back wall and having a first end projecting outside the house back wall. The first end of a second exhaust coupling tube can have a diameter that is larger than the diameter of the first end of a first exhaust coupling tube. At its second end, the first exhaust coupling tube can be provided with a sealing ring arranged in a groove-shaped recess of the inner wall. At its second end, the second exhaust coupling tube can provided with a sealing ring arranged in a groove-shaped recess of the inner wall.

Abstract: The present invention provides a toilet and/or a toilet and bidet combination having immediate reflush capability. Preferred embodiments comprise a tankless toilet and/or toilet and bidet combination and a bowl ventilation apparatus integrated therein. The tankless nature of the invention saves space over conventional toilets, allowing closer mounting to the wall and a lower vertical profile. More specifically, certain embodiments of the present invention comprise a motorized flush mechanism with an infrared sensor having immediate reflush capability, a on-demand motorized water spray cleansing system integrated therein and an integrated bowl ventilation apparatus with a proximity sensor.

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: A toilet flushing apparatus. The toilet flushing apparatus includes a vacuum fan for generating a partial vacuum for transporting solid and liquid waste from a toilet bowl to a sewer drain, a sensor for detecting a level of flushing water in the toilet bowl, a selector for selecting a defecation flushing node and a urination flushing mode, and a control, including a solenoid, for controlling time operation of time vacuum fan. The solenoid is responsive to a signal from the selector for supplying a relatively large amount of flushing water in the defecation flushing mode, as well as responsive to a signal from the sensor for supplying a relatively small amount of flushing water in the urination flushing mode.