Ventilated, I.e., Noxious Fume Removal Patents (Class 4/306)
-
Patent number: 11208799Abstract: A waterless urinal having a motion sensor that opens the drain valve. This sensor also turns on an internal venting fan that draws air from in front of the P trap, upwardly thru the fan, and downwardly to vent the air down the sewer after the P trap. The whole system can be operated by a solar-powered battery system making it well suited for use in off-grid locations, areas prone to drought or water shortage, mobile homes, rest stops, and stadiums.Type: GrantFiled: October 12, 2019Date of Patent: December 28, 2021Inventor: Todd El-Taher
-
Patent number: 10724223Abstract: A urinal capable of suppressing the flow speed differential between the flow speed of flush water flowing into the front side of an ascending pipe and the flow speed of flush water flowing into the back side thereof, and of suppressing the occurrence of stagnation in the flow of flush water, and of suppressing the occurrence of uric scale. The urinal having a discharge trap including a horizontal pipe; a top portion of horizontal pipe is formed by a return flow path-forming portion at the bottom end of the shared wall; and a resistance portion for slowing the flow speed of flush water flowing in the vicinity of this bottom portion is formed at the bottom portion of the horizontal pipe.Type: GrantFiled: September 10, 2015Date of Patent: July 28, 2020Assignee: TOTO LTD.Inventors: Yoshifumi Seki, Satoshi Matsunaka, Hironori Yamasaki, Masaki Miura
-
Patent number: 9739043Abstract: A urinal for receiving and discharging urine having a bowl portion having a bowl surface for receiving urine; a spouting device disposed on a top portion of the bowl portion for spouting flush water onto the bowl surface; and a discharge trap portion, communicating with a discharge port disposed on a bottom portion of the bowl portion, for discharging flush water and forming a water seal on a downstream side of the bowl portion. The discharge trap includes a descending conduit, a horizontal conduit, and an ascending conduit, and a cross section perpendicular to a discharging direction of either the horizontal conduit or the ascending conduit on the discharge trap portion is formed so that an inner side of the urinal from a center of the cross section has a smaller cross sectional area than an outer side of the urinal from the center of the cross section.Type: GrantFiled: January 13, 2016Date of Patent: August 22, 2017Assignee: TOTO LTD.Inventors: Yoshifumi Seki, Satoshi Matsunaka, Yuichi Furuta, Hironori Yamasaki
-
Publication number: 20150074892Abstract: A siphon, particularly an odour trap for a waterless urinal, a floor drain and/or a shower tray or the like, including a tubular inlet and at least one outlet, the outlet opening of which can be opened and closed to a drain that can be connected by a valve. The valve includes a valve lever mounted in an articulated manner in the region of the inlet, which has an associated valve surface, wherein the valve surface seals the outlet opening in a form-fit and/or force-fit manner.Type: ApplicationFiled: March 12, 2013Publication date: March 19, 2015Inventors: Theofilos Kokarakis, Sofia Hofmann, Emanuel Kokarakis
-
Publication number: 20140373264Abstract: A flushing device (1) comprises an extraction device (2) for extracting odours from a sanitary device such as a toilet bowl or a urinal, a cistern (3) for holding flushing water, a fill valve (4) for filling the cistern (3) and a flush unit (5) for providing flushing water, wherein the flush unit (5) comprises a flush valve (6) with an overflow pipe (7) and an actuator element (8) for operating the flush valve (6). The extractor unit comprises a fan (9) for extracting air through an air duct (10), which extends at least partially through the cistern (3), and a filter element (11) for filtering the air, wherein the filter element (11) represents the end of the air duct (10). The actuator element (8), fan (9) and filter element (11) are mounted on a common housing (12), particularly arranged in a common housing (12).Type: ApplicationFiled: December 20, 2013Publication date: December 25, 2014Applicant: GEBERIT INTERNATIONAL AGInventor: Rolf KOSARNIG
-
Patent number: 8709137Abstract: A method and an apparatus are provided for deodorizing and disinfecting air and droplets from urinal, toilet bowl, and other receivers and holders of urine and fecal matter. The apparatus comprises a housing (1) having an air inlet (2) and air outlet (3), wherein the housing (1) encloses a droplet removal chamber (4) for removing droplets from airflow; a deodorization and disinfection chamber (5) for removing air contaminants in the airflow; and an delivery unit (6) for airflow generation. Being actively drawn into the apparatus, air contaminants such as odor, bacteria and virus are removed without discharge of contaminated air and causing secondary pollution. The apparatus and method provide odorless and comfortable environment and avoid disease transmission in both public and domestic toilets.Type: GrantFiled: September 11, 2009Date of Patent: April 29, 2014Assignee: RHI LimitedInventors: Chi Keung Rudy Chan, Yee Lam Chan, Lam Lung Yeung, Ka Tung Ho
-
Patent number: 8196232Abstract: 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.Type: GrantFiled: April 26, 2005Date of Patent: June 12, 2012Assignee: Trivio Invest B.V.Inventors: Petrus Joannes Wilhelmus Van Herp, Johannes Hermanus Petrus Maria Oonk, Tijmen Karel Jan Boogers
-
Publication number: 20080034487Abstract: A ventilated wall mounted urinal having a ventilation orifices integral to the sidewall of said urinal. Said orifices connected to at least one ventilation channel attached to a ventilation duct. The ventilation duct attached to an exhaust duct within said wall in fluid communication with a ventilation duct. A ventilator attached to the exhaust duct produces a negative pressure that removes odors from the urinal.Type: ApplicationFiled: August 9, 2007Publication date: February 14, 2008Inventor: Glen A. Lehman
-
Publication number: 20040210995Abstract: Concealed-wire Sensor are there to activate the Exhaust System in back, when it senses the need and shuts-off automatically after ten minutes but if the owner wants, it can stay ON for long hours also. Exhaust Turbine pulls the smelly air in, through Air Inlet, not letting the smell escape-off the Urinal. The Sensor also flushes, when sensing the need automatically. An Attachment would be hooked-up in the back to take Urine Smell exhaust out of the premises.Type: ApplicationFiled: April 22, 2003Publication date: October 28, 2004Inventor: Samsam U. Turkman
-
Publication number: 20020166162Abstract: An odor trap having a cup-shaped housing, which has an inlet located on an upper end and an outlet on a lower end leading into a drain line. A siphon blocks the passage of gas from the outlet to the inlet. A urine collector is configured in the shape of an inlet funnel. The inlet funnel empties into an open tube with a relatively narrow inside diameter.Type: ApplicationFiled: April 5, 2002Publication date: November 14, 2002Applicant: GEBERIT TECHNIK AGInventors: Jurg Romagna, Erwin Schibig
-
Patent number: 6088845Abstract: A urinal or toilet ventilation system for removing unpleasant odors from the vicinity of the urinal or toilet, both during usage and for a short period of time following usage. The ventilation system has a series of flexible water ducts extending throughout the device and leading to the outside. Additionally, the device has a series of air ducts extending throughout the device and attaching to a motor which in turns pushes the air through another series of ducts leading to the outside. In a further embodiment the urinal or toilet has a sensor to detect the presence of a user for actuating the motor and begins the air extraction system. Upon the user leaving the vicinity of the urinal or toilet, the sensor has a built in delay, and continues to extract any unpleasant odors for a short duration.Type: GrantFiled: November 14, 1997Date of Patent: July 18, 2000Inventor: Juan Jose Hugo Ceja Estrada
-
Patent number: 5499405Abstract: A urinal for capturing and directing urine into a drain line. The inventive device includes an adjustable mounting structure securable to a wall surface within a bathroom. A urinal is supported by the adjustable mounting structure and can be positioned at a desired height. A water conduit communicates with a water supply line of a nearby sink or the like to permit selective flushing of the urinal, and a drain conduit communicates with a sink drain line to receive and dispose of the urine and flush water. The device can be readily installed into existing bathroom structures to provide an alternative to a conventional toilet, thereby reducing flushing of the toilet and saving water.Type: GrantFiled: November 16, 1994Date of Patent: March 19, 1996Inventor: William T. Collins
-
Patent number: 5435018Abstract: An odor guide apparatus for a toilet. The apparatus includes an odor guide unit for guiding odor rising from a toilet bowl to flow in a direction away from a user of the toilet bowl, an attachment unit for fixing the odor guide unit to an attaching portion including the toilet bowl and a wall face, and an advertisement display unit formed at a portion of or an entire surface of the odor guide unit facing the user.Type: GrantFiled: March 18, 1994Date of Patent: July 25, 1995Assignee: Luckysun CorporationInventor: Kiyoshi Nishimoto
-
Patent number: 5305473Abstract: A urinal having a smell release function, comprising: a bowl unit including a drain trap provided at the bottom thereof; a urinal shell unit for surrounding the bowl unit with an air space being interposed between the bowl unit and the shell unit itself; and smell inlets through which the air space communicates with at least one of an interior of the bowl unit and a lower external surface of the urinal. In this urinal the air space communicates with a secondary side of the drain trap, and a fan for blowing the air within the air space towards the secondary side of the drain trap is provided in the vicinity of the drain trap.Type: GrantFiled: March 18, 1992Date of Patent: April 26, 1994Assignee: Inax CorporationInventor: Shouichi Nakamura
-
Patent number: 4933995Abstract: A flush-operated bathroom fan is provided which utilizes a float-operated actuator in the water closet tank of the toilet which actuates a switch, turning on the ceiling fan, when the water level in the water closet tank falls indicating that the toilet has been flushed, and when the float rises up again to the normal full-tank water level, the switch is thrown again and the fan is deactivated.Type: GrantFiled: April 3, 1989Date of Patent: June 19, 1990Inventor: Carl E. Canon
-
Patent number: 4391002Abstract: An aerating system for faecal matter collected in a container in a vehicle which includes a pressurized air system for operating brakes, doors, ventilation flaps and the like. The pressurized air system includes a tank and a compressor which operates continuously during operation of the vehicle engine and a regulator which exhausts excess air to a bypass duct when the tank is at its operating pressure. A tube connects the container to the bypass duct so that faecal matter in the container is substantially continuously aerated during vehicle engine operation.Type: GrantFiled: November 13, 1980Date of Patent: July 5, 1983Assignee: Karl Kassbohrer Fahrzeugwerke GmbHInventor: Ernst Marti
-
Patent number: 4159547Abstract: An incinerator urinal having a drain tube extending from its bowl to its ashpan exteriorly of its incinerator chamber and a catalyst container located above the incinerator chamber which presents a large cross-sectional area of a heat activated catalyst to the flow of odor and which is easy to install and service.Type: GrantFiled: December 7, 1977Date of Patent: July 3, 1979Assignee: Research Products/Blankenship CorporationInventor: Ernest B. Blankenship