WO2014035339A1 - Toilettes pour position assise ou accroupie ayant un siège à rinçage de la paroi interne - Google Patents

Toilettes pour position assise ou accroupie ayant un siège à rinçage de la paroi interne Download PDF

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Publication number
WO2014035339A1
WO2014035339A1 PCT/SG2013/000368 SG2013000368W WO2014035339A1 WO 2014035339 A1 WO2014035339 A1 WO 2014035339A1 SG 2013000368 W SG2013000368 W SG 2013000368W WO 2014035339 A1 WO2014035339 A1 WO 2014035339A1
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WO
WIPO (PCT)
Prior art keywords
flush
pan
fluid
water closet
connector portion
Prior art date
Application number
PCT/SG2013/000368
Other languages
English (en)
Inventor
Ee Pin CHERN
Original Assignee
Chern Ee Pin
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chern Ee Pin filed Critical Chern Ee Pin
Publication of WO2014035339A1 publication Critical patent/WO2014035339A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
    • E03D11/02—Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K13/00—Seats or covers for all kinds of closets
    • A47K13/24—Parts or details not covered in, or of interest apart from, groups A47K13/02 - A47K13/22, e.g. devices imparting a swinging or vibrating motion to the seats
    • A47K13/30—Seats having provisions for heating, deodorising or the like, e.g. ventilating, noise-damping or cleaning devices
    • A47K13/302—Seats with cleaning devices
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D2201/00—Details and methods of use for water closets and urinals not otherwise provided for
    • E03D2201/40—Devices for distribution of flush water inside the bowl

Definitions

  • This invention relates to water closets (WC), also known as toilet bowls.
  • the method of use includes squatting facing either direction.
  • the user's face will be in close proximity to the underside of the seat. This is an awkward situation and unlikely to be well accepted by users.
  • Embodiments of the present invention seek to provide a WC that overcomes the imperfections of the prior art in combination sitting and squatting WCs.
  • Embodiments of the invention seek to provide a WC that may:
  • a water closet comprising a WC pan, a toilet seat configured to rest on the WC pan, and at least one flush fluid opening on the toilet seat in fluid communication with a flush channel of the WC pan when the toilet seat rests on the rim of the WC pan.
  • the at least one flush fluid opening may be configured to receive flush fluid from the flush channel and spread a thin film of water for cleaning inner walls of the toilet seat.
  • a seat flushing arrangement is provided in the above water closet such that during flushing, the toilet seat may be cleaned as well, thus maintaining the cleanliness and hygiene of the toilet seat.
  • the water closet may further comprise a first fluid connector portion fitted on the WC pan, and a second fluid connector portion fitted on the toilet seat, wherein the first fluid connector portion and the second fluid connector portion are configured to mate to form a fluid connection when the toilet seat rests on the rim of the WC pan.
  • the first fluid connector portion may comprise a valve configured to allow flush fluid to flow out of the valve into the second fluid connector portion and out of the flush fluid opening when the first fluid connector portion and the second fluid connector portion mate with each other, and not allow flush fluid to flow when the first fluid connector portion and the second fluid connector portion are not mated.
  • a valve configured to allow flush fluid to flow out of the valve into the second fluid connector portion and out of the flush fluid opening when the first fluid connector portion and the second fluid connector portion mate with each other, and not allow flush fluid to flow when the first fluid connector portion and the second fluid connector portion are not mated.
  • the valve of the first fluid connector portion may comprise a regulator capable of regulating the flow rate and/or amount of flush fluid flowing out of the valve.
  • the second fluid connector portion may comprise an activation mechanism configured to activate the first fluid connector to allow flow of water only when the first fluid connector portion and the second fluid connector portion mate with each other.
  • the activation mechanism is receivable by the regulator, the activation mechanism further being adjustable for controlling the regulator to regulate the flow rate and/or amount of flush fluid flowing out of the valve.
  • the regulator and activation mechanism provide a user-controlled means to adjust the flow rate and/or amount of flush fluid used for cleaning the toilet seat.
  • the regulator may be a depressible central pin and the activation mechanism may be a push-bolt.
  • the water closet may further comprise a seal configured to seal the fluid connection between the first fluid connector portion and the second fluid connector portion when the first fluid connector portion and the second fluid connector portion mate with each other.
  • the seal may prevent any water leakage from the fluid connection between the first fluid connector portion and the second fluid connector portion.
  • the seal may be an elastomeric boot.
  • the at least one flush fluid opening on the toilet seat may comprise at least one nozzle.
  • the water closet may further comprise a hood at the front end of the WC pan and a foot rest on each side of the WC pan.
  • the foot rest may be elevated with respect to a floor.
  • the toilet seat may be pivotally coupled to the WC pan. This allows ease of use of the water closet between sitting and squatting position, in which a user lowers the toilet seat when using the water closet in a sitting position and lifts up the toilet seat when using the water closet in a squatting position.
  • the toilet seat may be of a hollow shell construction.
  • the toilet seat may comprise strengthening webs within the hollow shell of the toilet seat.
  • the toilet seat may further comprise at least one water channel within the hollow shell of the toilet seat in fluid communication with the at least one flush fluid opening.
  • the shell may comprise a seat surface for a user to sit upon, an inner wall extending from the seat surface and forming a passage suitable for the user to pass substance through the passage into the WC pan, and an outer wall extending from the seat surface.
  • the toilet seat may conceal the strengthening webs and the components of the toilet seat flushing arrangements. Further, the continuous external surface of the shell also allows ease of cleaning.
  • the at least one flush fluid opening may be on the inner wall of the toilet seat.
  • the water closet may further comprise a flush mechanism to supply flush fluid to the flush channel of the WC pan.
  • the flush mechanism may comprise an exposed flush valve or a concealed flush valve.
  • the flush mechanism may further comprise an accumulator below the WC pan upstream of the said exposed or concealed flush valve.
  • the flush mechanism may comprise a pressurized cistern.
  • Figure 1 is a perspective view of an embodiment of the WC in accordance with the present invention. It is of the free-standing pedestal style, fitted with an exposed flush valve and shown with the seat raised for use with a squatting posture.
  • Figure 2 is a perspective view of another embodiment of the WC. It is of the back-to-wall pedestal style, fitted with a concealed flush valve with the seat lowered for use with a sitting posture. The bathroom wall is shown partially cut-away.
  • Figure 3 is a perspective view of another embodiment of the WC showing a slim concealed pressurised cistern installed behind the wall against which the WC is installed.
  • Figure 4 is a perspective view of another embodiment of the WC showing a decoupled cistern or vitreous china tank installed at the corner of the two walls nearest to the WC. For clarity, the seat is not shown.
  • Figures 5 and 6 are views of another embodiment of the WC. It is of the free-standing pedestal style, fitted with an exposed flush valve and having a bladder accumulator below the pan and foot rests supplying water to the flush valve. It is to be understood that the back-to-wall style of the WC, fitted with either choice of flush valve can also have such a placement of bladder accumulator.
  • Figure 5 shows the view generally from the front of the WC while figure 6 shows a partial section view from the side without the seat.
  • Figure 7 is a partial section view with a detailed view of the water supply system for seat flushing with the seat lowered.
  • Figure 8 is similar to figure 7 but with the seat slightly raised. Detailed Description
  • suitable flushing technologies that may be used for an embodiment of a sit-squat toilet are: 1) pressurised cisterns, 2) flush valves (also known as Flushometers) and 3) pumped flushing.
  • the devices must be installed at a suitable height above the sit-squat pan to meet air gap regulations for the prevention of backflow.
  • suitable backflow prevention features must be incorporated.
  • the sitting and squatting WC of the present invention there is a skirt below the seat ring.
  • the pivot axis of the seat may have to be further forward of the leaning surface when raised (such as the back wall of the bathroom) compared to a conventional toilet seat.
  • a sitting and squatting pan may be longer than a sitting pan.
  • the total measurement comprising the distance from back wall to the pivot axis and the length of the pan may determine the overall length of embodiments of a sitting and squatting WC.
  • any flushing technology that is employed must not further lengthen the WC to the point that it cannot be installed in the majority bathrooms or toilets.
  • pressurised cistern technology For pressurised cistern technology, to keep within the aforementioned constraint, two design options may be available: 1) use a slim pressurised cistern that can be fitted behind a false wall against which the WC is installed, and, 2) use a pressurised cistern that is designed to be installed offset from the centre line of the WC, for example at the corner of the two bathroom walls nearest to the WC.
  • the cistern can be designed to be used as it is or fitted inside a vitreous china tank. For the case where it is designed to be used as it is, the most likely style is to be decoupled from the WC pan, with a flush pipe between the cistern and the WC pan.
  • the latter can be either decoupled, close-coupled or unitary with the WC pan.
  • the decoupled style permits the WC to be designed as either freestanding pedestal or back-to-wall style.
  • the shape of commercially available pressurised cisterns may not be suitable for these two options. Customisation may be necessary.
  • two design options may also be available: 1) exposed, and, 2) concealed. In exposed designs, the flush valve may be installed slightly offset from the centreline of the WC so that it does not affect the leaning of the raised seat. This design option also permits the WC to be designed as either freestanding pedestal or back-to-wall style.
  • the flush valve may be completely flat with the wall and does not contribute to the overall length of the toilet at all, nor does it impede the inclined leaning of the toilet seat when raised. Both manually actuated and automatic sensor actuated flush valves may be used.
  • an important consideration when using flush valve technology is the characteristic of the water supply.
  • the water supply system is designed specifically to allow the use of flush valves, i.e., the flowing pressure at the required flow rate meets or exceeds the minimum required operating pressure of the flush valve.
  • the water supply is not intended to supply flush valves. Installation of a flush valve must then be complemented with a bladder accumulator immediately upstream.
  • a convenient location for the installation of this accumulator is under the pan and/or foot rests. It must be emphasised that the fundamental purpose of such an accumulator is different from the cistern described in the aforementioned International Patent Publication.
  • the cistern forms part of the WC and supplies water into the pan through a simple valve without any means of backflow prevention.
  • the accumulator forms part of the water supply and supplies water to a flush valve whose design and method of installation incorporates all the mandatory backflow prevention measures.
  • pumped flushing technology water is supplied via a regular fill valve with suitable backflow prevention devices to fill a holding tank.
  • the pump draws water from this tank and forces it at high pressure into one or more water inlets of the WC.
  • the necessary components of this technology may also be concealed under the pan and/or foot rests. Obviously it does not alter the external appearance of the WC, does not affect its overall length and does not impede the inclined leaning of the seat when raised. Use of this technology may also permit the WC to be designed as either freestanding pedestal or back-to- wall style.
  • the toilet seat in embodiments of the present invention is of hollow shell construction.
  • the difference from the aforementioned International Patent Publication is that the inner vertical walls are slightly smaller than the opening of the WC pan so that any substance dribbling down the walls will ultimately fall into the pan.
  • the contour of the outer vertical walls can be designed to be an extension of the outer surface of the pan, thus giving a unified appearance of pan and seat.
  • Hollow shell construction also means that strengthening webs can be concealed inside the shell, which makes the seat less prone to dirt accumulation and easier to clean.
  • An additional advantage is that toilet seat flushing and cleaning arrangements may be incorporated in the hollow shell, in which components such as the water channels of the seat flushing arrangements may be concealed within the hollow shell.
  • a novel coupling may be provided between a point above the flush channel in the WC pan and the oppositely-facing location on the lower surface of the toilet seat.
  • the two sub-parts of the coupling are separated when the toilet seat is raised and coupled when the toilet seat is lowered.
  • the first sub-part which is attached to the WC pan has a valve that prevents the escape of water when it is in the separated state.
  • the valve is triggered open by the former, allowing water to flow through both sub-parts.
  • Suitable sealing may be provided to prevent water leakage from the joint between the two sub-parts, for example with an elastomeric boot.
  • Suitable means of adjusting the flow rate may also be provided, for example with an adjustable-length push-rod that triggers the valve.
  • the first embodiment of the present invention includes an elongated WC pan 10 similar in ratio of length to width to an eastern squatting-type WC pan. Additionally, there is a hood 11 at the front end of the WC pan 10 to contain urine spray.
  • a foot rest 12 Along each side of the WC pan 10 is a foot rest 12.
  • the rim 13 of the WC pan 10 is of sufficient height above the foot rests 12 such that when a user squats on them, the rim 13 prevents the feet from slipping into the WC pan 10. At the same time, the height of rim 13 is not too high so that it does not come into contact with the user's buttocks.
  • the foot rests 12 and WC pan 10 are supported by the pedestal 14 at a suitable height for easy mounting of the foot rests 12.
  • the pedestal 14 is of the free-standing design, i.e., not closely fitting with the back wall.
  • the back-to-wall pedestal design which shall be described later, can also be used in this embodiment.
  • the toilet seat 15 is shown in the raised position, allowing the WC to be used with a squatting posture.
  • figure 1 shows the exposed flush valve 16 being used.
  • the flush fluid e.g. water
  • the flush fluid flows via flush pipe 17 into a top inlet 18 of the WC, whose internal channels divert water to the underside of rim 13 and the siphon jet inlet (not visible in figure 1).
  • a seat flushing valve 19 At a suitable location on the rim 13, is a seat flushing valve 19, which is closed when the seat 15 is raised as shown.
  • Figure 2 shows the second embodiment of the present invention.
  • the first difference between this and the first embodiment is that this embodiment has a back-to-wall pedestal 20. As previously described, this back-to-wall pedestal design can also be used in the first embodiment.
  • the second difference is that this embodiment uses a concealed flush valve 21 with a concealed flush pipe 22 that carries flush fluid into a back inlet 23.
  • Figure 2 also shows the toilet seat 15 in the lowered position, allowing the WC to be used with a sitting posture. With the toilet seat 15 lowered as shown, flushing of the inner walls 24 of the seat is enabled. Flush fluid for seat flushing flows out from nozzle 25. Details of the seat flushing arrangement will be described later.
  • Figure 3 shows the third embodiment of the present invention. It is nearly identical to the second embodiment except that a slim pressurised cistern 26 is used.
  • FIG. 4 shows the fourth embodiment of the present invention.
  • a decoupled pressurised cistern 27 is used.
  • the cistern 27 is offset to one side.
  • flush fluid enters the WC via the top inlet 18.
  • the free-standing pedestal 14 can be used in this embodiment.
  • the back-to- wall pedestal can also be used with this embodiment.
  • Visually identical to this embodiment is the one where the cistern is replaced by a vitreous china tank with a pressurised cistern (which may be made of other materials such as plastic) installed inside.
  • FIGS 5 and 6 show the fifth embodiment of the present invention.
  • This embodiment is suitable for installation in a bathroom whose water supply system is not intended to supply a flush valve.
  • the flushing system uses an exposed flush valve 16.
  • a concealed flush valve can also be used in this embodiment.
  • the flush valve 16 is installed in an offset manner so that it does not obstruct the raised seat 15.
  • the stop valve 28 of the flush valve may be installed offset on the opposite side.
  • the stop valve 28 receives its water supply from bladder accumulator 29 via a large supply pipe 30.
  • the accumulator 29 is located in the space below the pan and/or foot rests.
  • a small stop valve 31 provides water to accumulator 29.
  • a WC according to an embodiment includes a WC pan 10, a toilet seat 15 configured to rest on the WC pan 10, and at least one flush fluid opening 25 on the toilet seat 15 in fluid communication with a flush channel (not shown) of the WC pan 10 when the toilet seat 15 rests on the rim 13 of the WC pan 10.
  • the at least one flush fluid opening 25 may receive flush fluid (e.g. water) from the flush channel and spread a thin film of water across the inner wall 24 of the toilet seat 15 for cleaning the inner wall 24 of the toilet seat 15.
  • the at least one flush fluid opening 25 may comprise at least one nozzle.
  • the WC further includes a first fluid connector portion 19 fitted on the WC pan 10 and a second fluid connector portion 37 fitted on the toilet seat 15.
  • the first fluid connector portion 19 may be disposed at a location on the WC pan 10 in which the first fluid connector portion 19 is in fluid communication with the flush channel of the WC pan 10 such that flush fluid may be channelled to the first fluid connector portion 19.
  • the second fluid connector portion 37 may be disposed at a location on the lower surface of the toilet seat 15 and positioned directly opposite the first fluid connector 19. In this way, the first fluid connector 19 and the second fluid connector 37 can mate to form a fluid connection when the toilet seat 15 is lowered and rests on the rim 13 of the WC pan 10 as shown in Figure 7.
  • the second fluid connector 37 may be in fluid communication with the flush fluid opening 25 via a water channel 32 in the hollow shell forming the toilet seat 15.
  • the first fluid connector portion 19 may include a valve 38.
  • the valve 38 may allow flush fluid flowing inside the flush channel of the rim 13 of the WC pan 10 to flow out from the first fluid connector portion 19 via the valve 38 and flow through the second fluid connector 37 to the flush fluid opening 25.
  • the flush fluid opening 25 then spreads a thin film of water that cleans a major portion of the inner wall 24 of the toilet seat 15.
  • the first fluid connector portion 19 and the second fluid connector portion 37 are no longer mated.
  • the valve 38 does not allow flush fluid to flow out of the first fluid connector portion 19.
  • valve 38 of the first fluid connector portion 19 includes a regulator 36 which may regulate the flow rate and/or the amount of flush fluid flowing out of the fluid connector portion 19 via the valve 38.
  • the second fluid connector portion 37 includes an activation mechanism 33 which may activate the first fluid connector 19 to allow flow of water only when the first fluid connector portion 19 and the second fluid connector portion 37 mate with each other.
  • the activation mechanism 33 may be receivable by the regulator 36.
  • the activation mechanism 33 may also be adjustable such that adjusting the activation mechanism 33 allows a user to control the flow rate and the amount of water that the regulator 36 regulates to flow out of the valve 38.
  • the second fluid connector portion 37 may further include a seal 34 for sealing the fluid connection between the first fluid connector portion 19 and the second fluid connector portion 37 when the first fluid connector portion 19 and the second fluid connector portion 37 mate with each other.
  • the regulator 36 may be a depressible central pin and the activation mechanism 33 may be a push-bolt.
  • the seal 34 may be an elastomeric boot.
  • push-bolt 33 depresses the central pin 36 of the valve of the first fluid connector portion 19 to allow water to flow out.
  • Elastomeric boot 34 seals the exit of the first fluid connector portion 19 and thus water can only flow along its intended path, through the second fluid connector portion 37 to water channel 32, which may be in the form of a tube.
  • the amount of depression of the central pin 36 can be adjusted by screwing the push-bolt 33.
  • Push-bolt 33 is provided with a screwdriver slot at its upper tip so that adjustment can be performed with the seat lowered and while observing whether there is appropriate coverage by the water film. Once the desired coverage is obtained, push-bolt 33 is locked into position using set screw 35.
  • a water closet has been provided which eliminates the problems associated with back flow and/or dirty toilet seat.
  • Such water closet in accordance with the various embodiments disclosed can provide backflow prevention and toilet seat flushing means.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Toilet Supplies (AREA)

Abstract

L'invention concerne des toilettes (W.-C.) ou une cuvette de toilettes utilisable en positions assise ou accroupie. Les W.-C. sont composés d'une cuvette allongée (10) pourvue d'un capot (11) sur son extrémité avant et de repose-pieds (12) sur chaque côté, à un niveau légèrement inférieur au bord (13) de la cuvette (10), mais à une hauteur ergonomique au-dessus du sol pour une installation confortable. La cuvette (10) et les repose-pieds (12) sont portés sur un socle qui peut être de conception autonome ou contre le mur. Pour les deux conceptions, le liquide de rinçage peut entrer dans les W.-C. à partir d'une entrée supérieure (18). Pour la dernière conception, le liquide de rinçage peut entrer par une entrée à l'arrière (23). Trois options de technologie de rinçage peuvent être utilisées : 1) un robinet de chasse d'eau, 2) un réservoir sous pression et 3) une chasse d'eau pompée. Si la technologie à robinet de chasse d'eau est utilisée dans une salle de bains dont l'alimentation en eau n'est pas prévue pour alimenter un robinet de chasse d'eau, l'espace en dessous de la cuvette (10) et/ou des repose-pieds (12) peut contenir un accumulateur à vessie (29) afin d'assurer une pression d'écoulement suffisante. Un siège à charnière (15), pourvu de parois verticales (24) dont la hauteur est adéquate pour que le siège abaissé repose sur la cuvette (10), forme une surface pour une position assise suffisamment haute. Un couplage est disposé entre un point sur le canal de chasse d'eau dans la cuvette (10) et la face opposée sur la surface inférieure du siège (15) de sorte que, lorsque le siège est abaissé, l'eau s'écoule du canal de chasse d'eau, à travers le raccord et les tuyaux à l'intérieur du siège vers les buses (25) qui dirigent une fine couche d'eau pour nettoyer les parois intérieures (24) du siège (15). Lorsque le siège (15) est relevé, le raccord est séparé, désactivant ainsi un tel nettoyage.
PCT/SG2013/000368 2012-08-27 2013-08-26 Toilettes pour position assise ou accroupie ayant un siège à rinçage de la paroi interne WO2014035339A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SG201206371 2012-08-27
SG201206371-5 2012-08-27

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WO2014035339A1 true WO2014035339A1 (fr) 2014-03-06

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105507387A (zh) * 2015-09-07 2016-04-20 中山市保洁士卫浴有限公司 一种设置座位的冲厕水箱
CN109024825A (zh) * 2018-08-01 2018-12-18 何子民 一种压力感应自动冲水蹲厕
WO2019047470A1 (fr) * 2017-09-05 2019-03-14 周晓华 Toilettes pour position assise et accroupie
CN109868874A (zh) * 2019-04-22 2019-06-11 北华航天工业学院 一种可调节蹲便
CN110258734A (zh) * 2019-07-16 2019-09-20 王磊 一种可收放的多功能坐便器
CN111824196A (zh) * 2020-08-07 2020-10-27 常州机电职业技术学院 一种高铁用智能型安全马桶
CN112896208A (zh) * 2021-02-23 2021-06-04 湖南铁道职业技术学院 一种能与蹲位转换使用的车用坐便器
CN112896207A (zh) * 2021-02-23 2021-06-04 湖南铁道职业技术学院 一种与蹲位转换使用的车用坐便器的收折自洁方法及结构

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2182979A (en) * 1938-10-14 1939-12-12 Joseph G Bruzenak Toilet
US3029443A (en) * 1959-11-02 1962-04-17 Tony C Naccarato Closed pressure type flush tank bowl combination
US3790967A (en) * 1971-11-01 1974-02-12 J Pignato Water closet
US4980931A (en) * 1989-09-01 1991-01-01 Chaskel Meisels Self sterilizing toilet seat
WO1992003619A1 (fr) * 1990-08-11 1992-03-05 Caradon Bathrooms Limited Ameliorations relatives aux w.-c.
WO1994010397A1 (fr) * 1992-10-28 1994-05-11 Burton Mechanical Contractors, Inc. Systeme de toilette a depression et soupape de refoulement associee
JP2009287289A (ja) * 2008-05-29 2009-12-10 Inax Corp 洋風水洗式便器
WO2010030242A1 (fr) * 2008-09-10 2010-03-18 Ee Pin Chern Toilettes s'utilisant en position assise et accroupie et siège avec réservoir en dessous

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2182979A (en) * 1938-10-14 1939-12-12 Joseph G Bruzenak Toilet
US3029443A (en) * 1959-11-02 1962-04-17 Tony C Naccarato Closed pressure type flush tank bowl combination
US3790967A (en) * 1971-11-01 1974-02-12 J Pignato Water closet
US4980931A (en) * 1989-09-01 1991-01-01 Chaskel Meisels Self sterilizing toilet seat
WO1992003619A1 (fr) * 1990-08-11 1992-03-05 Caradon Bathrooms Limited Ameliorations relatives aux w.-c.
WO1994010397A1 (fr) * 1992-10-28 1994-05-11 Burton Mechanical Contractors, Inc. Systeme de toilette a depression et soupape de refoulement associee
JP2009287289A (ja) * 2008-05-29 2009-12-10 Inax Corp 洋風水洗式便器
WO2010030242A1 (fr) * 2008-09-10 2010-03-18 Ee Pin Chern Toilettes s'utilisant en position assise et accroupie et siège avec réservoir en dessous

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105507387A (zh) * 2015-09-07 2016-04-20 中山市保洁士卫浴有限公司 一种设置座位的冲厕水箱
WO2019047470A1 (fr) * 2017-09-05 2019-03-14 周晓华 Toilettes pour position assise et accroupie
CN109024825A (zh) * 2018-08-01 2018-12-18 何子民 一种压力感应自动冲水蹲厕
CN109868874A (zh) * 2019-04-22 2019-06-11 北华航天工业学院 一种可调节蹲便
CN110258734A (zh) * 2019-07-16 2019-09-20 王磊 一种可收放的多功能坐便器
CN111824196A (zh) * 2020-08-07 2020-10-27 常州机电职业技术学院 一种高铁用智能型安全马桶
CN112896208A (zh) * 2021-02-23 2021-06-04 湖南铁道职业技术学院 一种能与蹲位转换使用的车用坐便器
CN112896207A (zh) * 2021-02-23 2021-06-04 湖南铁道职业技术学院 一种与蹲位转换使用的车用坐便器的收折自洁方法及结构
CN112896207B (zh) * 2021-02-23 2022-06-14 湖南铁道职业技术学院 一种与蹲位转换使用的车用坐便器的收折自洁方法及结构

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