WO1994021866A2 - Self-cleaning toilet - Google Patents
Self-cleaning toilet Download PDFInfo
- Publication number
- WO1994021866A2 WO1994021866A2 PCT/FR1994/000298 FR9400298W WO9421866A2 WO 1994021866 A2 WO1994021866 A2 WO 1994021866A2 FR 9400298 W FR9400298 W FR 9400298W WO 9421866 A2 WO9421866 A2 WO 9421866A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- commode
- commode seat
- washing
- upper wall
- seat according
- Prior art date
Links
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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
- E03D9/002—Automatic cleaning devices
Definitions
- the present invention relates to a self-cleaning commode.
- Self-cleaning devices are already known, intended mainly for the use of the public.
- Such devices may include, for example, a washing cabinet located behind the bowl and in which are provided means for washing and drying either a bezel tiltable on the bowl, or the whole bowl.
- the present invention aims to provide a new self-cleaning toilet seat, the production of which is particularly simple, which makes it possible to reduce the manufacturing cost and to increase its operating reliability.
- the subject of the present invention is a commode seat, internally comprising a bowl extending at its lower part by a siphon connectable to an external discharge duct, characterized in that it externally comprises a body closed by an upper wall concave provided with a substantially ovoid orifice opening into the bowl, this orifice extending substantially parallel to a plane inclined towards the rear, washing / rinsing means being provided on the seat for washing and automatically rinsing at least the wall thereof superior.
- the commode seat according to the invention is particularly suitable for both domestic use and public use where it is unlikely to be damaged.
- the commode seat according to the invention also has the advantage that the ovoid opening extends substantially parallel to a plane tilted back, which provides a more comfortable and natural seating position than that imposed by the horizontal glasses of traditional commode seats.
- the upper wall of the body of the commode seat has the general shape of a quarter disc.
- Such a commode can be placed in a corner of a room reserved for this use, in particular in a room placed in a public place.
- the upper wall of the body of the commode seat has the general shape of a half-disc.
- a commode can be attached to a room partition by its flat side corresponding to a diameter of the upper wall, in particular in the case of private use in a dwelling.
- the upper wall of the body of the toilet seat according to the invention is slightly inclined towards the ovoid orifice, so as to direct the washing and rinsing water towards the internal bowl.
- the oval orifice is extended internally by an edge which can have in places an inclination towards the interior markedly more marked than the upper wall and constitutes the part forming the seat proper on which a seat sits. user.
- the edge of the oval orifice has a so-called “anatomical” shape, so as to provide optimal comfort for the user.
- the washing / rinsing means comprise a pivoting arm articulated along a vertical axis and extending radially to the periphery of the upper wall where it is extended by a vertical branch covering at minus the top of the side wall of the body of the commode.
- the washing / rinsing means are operated automatically by a control member comprising in particular a motor which actuates them to sweep the entire surface to be cleaned of the commode seat.
- the washing / rinsing means comprise nozzles which spray water and possibly washing liquid on the concave upper wall of the body of the seat and preferably also on the upper part of the side wall of the body of the commode seat.
- Such nozzles can be fixed in the vicinity of the concave upper wall of the seat body or integral with a cover mounted for example pivoting on the seat body, the spraying of water then taking place only in the closed position of the cover so as to avoid possible splashes.
- Drying means can also be provided on the commode, although these are not necessary if the commode is made of a non-wetting material on which the water droplets slide naturally, or if you mix with the rinsing water surface-active products which avoid the adhesion of water droplets on the surface of the toilet seat.
- the invention it is also possible to provide means for heating the upper wall of the body, so as to improve the comfort of use of the toilet seat.
- Such heating means also have the advantage of promoting the evaporation of water droplets which may be on the wall of the seat.
- Figure 1 is a perspective view of a commode seat according to a first embodiment of the invention
- FIG. 2 is a section along II-II of FIG. 1,
- FIG. 3 is a top view of a commode seat according to a second embodiment of the invention.
- FIG. 4 is a section along IV-IV of FIG. 3
- FIG. 5 is a view similar to that of FIG. 1 of a commode seat according to a third embodiment of the invention
- - Figure 6 is a top view of the edge of the ovoid orifice of the seat of Figure 5
- Figures 6A to 6E are sections respectively AA to FF of Figure 6
- - Figure 7 is a sectional view along VII-VII of Figure 5
- Figure 8 is a view similar to Figure 5 showing a variant of this third embodiment.
- FIG. 1 schematically represents part of a room for collective use of which a floor 1 and two partitions 2 and 3 can be seen.
- a commode seat In a corner of the room is mounted a commode seat according to a first embodiment of the invention.
- the general external shape of the body 4 of the comfort seat is that of a quarter of a cylinder cut along two planes (parallel to the partitions 2 and 3) orthogonal and intersecting along the axis 5 of the cylinder.
- the cylindrical body 4 has an upper wall 6 and a side wall 7.
- the walls 6 and 7 are connected in leaktight manner to the partitions 2 and 3 and to the floor 1 by seals 7a.
- the upper wall 6 comprises, in the vicinity of the partitions 2 and 3, a peripheral zone 8 very slightly inclined towards the inside and situated on either side of a range 9 substantially annular and more strongly inclined towards the bottom.
- the area 9 defines an oval orifice 6a which is extended internally by a seat portion 10 proper, constituted by an edge very inclined inward, as can be clearly seen in Figure 2 where only the area 9 and the edge 10 appear in section.
- the orifice 6a extends substantially parallel to a plane inclined towards the rear.
- a bowl 11 is placed inside the cylindrical body 4 in line with the opening delimited by the seat part 10.
- the bowl 11 is connected to a waste water discharge conduit 12a by means of a siphon 12.
- the bowl 11 has a flushing water supply conduit 13 which in this case opens onto one of the rear side faces of the toilet seat.
- the bowl 11 described here has a shape similar to traditional bowls, with the difference that it does not have a foot. In traditional bowls, such a foot is necessary to support the weight of a user. However, in the toilet seat of the present invention, the user does not sit on the upper edge of the bowl 11, but on the seat part 10 which is integral with the side walls 7 of the body 4.
- the external shape of the bowl 11 described here is indifferent, the only condition being that said bowl can take place inside the cylindrical body 4, in line with the orifice 6a.
- the toilet seat is provided with a washing / rinsing means which in this case consists of an elbow arm 14 articulated around an axis 15 close to the axis of the cylinder 5.
- the bent arm 14 extends radially over the entire upper wall 6, as well as over most of the side wall 7.
- bent arm 14 scans the entire wall 6 as well as most of the side wall 7.
- a water supply pipe 16 crosses the bent arm 14 to supply nozzles 17 distributed over the entire length of the bent arm 14 opposite the walls 6 and 7.
- the water supply pipe 16 is connected, by means of a rotary joint 18, to a pipe 19 leading to a rear lateral face of the commode seat, a pipe for supplying pressurized water which may come connect to it.
- a motor 20, placed inside the body 4 makes it possible to drive the bent arm 14 in a rotational movement to sweep the entire surface to be cleaned, while the nozzles 17 spray the walls 6 and 7 successively with water wash, then with rinse water.
- the arm 14 can advantageously be provided with side skirts (not shown) located on either side of the nozzles 17.
- the washing and rinsing water is recovered in a channel 21 provided for this purpose in the floor 1 of the room, along the side wall 7 and the partition 3.
- the arrival of flushing water in the duct 13, the starting of the motor 20, and the arrival of the washing and rinsing water in the duct 16, are controlled by appropriate means, such as those used in known washing cabinets and the triggering of which can, for example, be caused when the user leaves the room.
- the toilet seat according to the present invention is both compact and not very vulnerable to acts of vandalism.
- a housing in the partition 2 to allow the introduction of the arm 14 when it is in the rest position. In this way, the arm 14 is protected from any manual manipulation aimed at damaging it.
- FIGS 3 and 4 there is shown a toilet seat according to a second embodiment of the invention.
- the body 4 ′ of the toilet seat is substantially in the form of a half-cylinder, truncated on either side of its median plane by two planes parallel to the latter.
- the cylindrical front side face 7 ′ of the body 4 ′ is therefore extended on each side of the commode seat by two flat side faces 7 ′ a and 7 ′ b.
- This embodiment of the invention is more particularly intended for domestic use, the commode can be leaned against a partition 2 'of a room reserved for this use.
- a bent and articulated arm 14 ′ not shown in FIG. 4, makes it possible to wash and rinse the bowl 11, as well as the upper wall 6 and the upper part of the side wall 7 ′ of the body 4 ′.
- a reservoir 22 supplied with 23 makes it possible to accumulate the flushing water necessary for emptying the bowl 11.
- Such a commode being intended to equip dwellings, it does not require any particular equipment on the ground, only a gutter 21 ′ is provided directly on the side wall 7 ′ of the body 4 ′, so as to recover the washing water and rinse.
- Figures 5 to 7 show a third embodiment of the invention.
- this commode is also intended to be placed in a corner of a room.
- the body 4 "of the seat is closed by a concave upper wall 6" in the shape of a quarter disc which has an oval orifice 6 "a central towards which it is slightly inclined.
- the central opening 6 "a extends substantially parallel to a plane inclined towards the rear, as can be seen in FIG. 7.
- the upper wall 6" is also inclined rearward.
- the washing / rinsing means here consist of nozzles 24 which are mounted on ramps 25 integral with the body 4 ", along the partitions 2 and 3.
- the nozzles 24 are supplied with washing and rinsing water by a conventional device not shown.
- additional nozzles and a gutter can be provided in the central part of the wall 7" or even a gutter at the foot of the body 4 ", as illustrated above.
- the oval orifice 6 "a is extended internally by an edge 10" of anatomical shape which has the advantage of offering optimal comfort in using the seat while being particularly suitable wash well by spraying and / or flowing a liquid.
- the edge 10 In its rear part 10a, the edge 10 "has a significant inward inclination, as can be seen in the section of FIG. 6A, so as to constitute an almost vertical backsplash.
- the inclination of the edge 10" is less significant, because this part 10 "b of the edge 10 constitutes a surface on which the user rests.
- the front side part 10 "d of the edge 10" shown in section in FIG. 6D, is slightly inclined and constitutes a connection zone between the side part 10 "c very inclined and the front part 10" e, 10 "f_ which has a substantially horizontal section, as seen in Figures 6E and 6F.
- the edge 10 In its front part 10 "f_, the edge 10" has an elevation which separates two zones 10 "e situated on either side of the median plane of the edge 10", provided for the passage of the legs of a user.
- Such a heating means may consist, for example, of a heating resistor, not shown, applied against the underside of the wall 6 "or possibly incorporated in the latter, for example by overmolding, which keeps the edge 10" at a constant temperature d '' about 35 ° C.
- FIG. 8 a variant of this third embodiment is shown, in which the upper wall 6 "comprises a cover 27 hinged at 28 along the partition 3.
- the cover 27 can be folded down on the upper wall 6 "so as to allow projection of washing water at high pressure without causing splashing in the room.
- Nozzles 24 are present on the side walls 26 which border the upper wall 6 "along the partitions 2 and 3, as well as along the circular rim 29 of the cover 27.
- supply conduits for the nozzles 24 have not been shown, which may for example consist of channels coming from the molding of the walls 26 and of the cover 27.
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Epidemiology (AREA)
- Sanitary Device For Flush Toilet (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP94911200A EP0689630B1 (en) | 1993-03-18 | 1994-03-18 | Self-cleaning toilet |
DE69403201T DE69403201D1 (en) | 1993-03-18 | 1994-03-18 | SELF-CLEANING TOILET GLASSES |
JP6520719A JPH08508073A (en) | 1993-03-18 | 1994-03-18 | Automatic wash toilet |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9303133A FR2702788B1 (en) | 1993-03-18 | 1993-03-18 | Self-cleaning commode. |
FR93/03133 | 1993-03-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1994021866A2 true WO1994021866A2 (en) | 1994-09-29 |
WO1994021866A3 WO1994021866A3 (en) | 1994-11-10 |
Family
ID=9445109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1994/000298 WO1994021866A2 (en) | 1993-03-18 | 1994-03-18 | Self-cleaning toilet |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0689630B1 (en) |
JP (1) | JPH08508073A (en) |
DE (1) | DE69403201D1 (en) |
FR (1) | FR2702788B1 (en) |
WO (1) | WO1994021866A2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5596774A (en) * | 1995-06-15 | 1997-01-28 | Howard; Frederick T. | Self cleaning toilet |
US6128787A (en) * | 1998-02-26 | 2000-10-10 | E. Missel Gmbh & Co. | Flush system |
NL2011150C2 (en) * | 2013-07-12 | 2015-01-15 | Claleco B V | Toilet cleaning system and method for cleaning a toilet system. |
PL126920U1 (en) * | 2018-01-03 | 2019-07-15 | Stanisław Radoń | Water-closet bowl |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1269425B (en) * | 1994-01-13 | 1997-04-01 | Eco Program Srl | ARRANGEMENT AND PROCEDURE FOR AUTOMATIC CLEANING OF A SANITARY APPLIANCE |
FR2785002B1 (en) * | 1998-10-26 | 2000-11-24 | Daniel Delgado | SELF-CONTAINED AND SELF-CLEANING SANITARY FACILITY |
AU2000244116A1 (en) * | 2000-04-28 | 2001-11-12 | Jean-Francois Daures | Self-contained and self-cleaning sanitary facility |
DE20210331U1 (en) * | 2002-07-04 | 2002-10-24 | Wall Ag | Toilet especially for public purposes |
ES2375031B1 (en) * | 2009-04-02 | 2013-01-04 | Francisco Javier LOSTAL GRASA | AUTOMATIC SYSTEM FOR CLEANING OF TOILETS. |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2123046A (en) * | 1982-06-28 | 1984-01-25 | Ica Spa | Self-cleaning water closet cubicle |
EP0162397A2 (en) * | 1984-05-25 | 1985-11-27 | Hering-Bau Sanitärtechnik GmbH | Sanitary cell |
FR2590293A1 (en) * | 1985-11-19 | 1987-05-22 | Vivier Harry | |
EP0356691A1 (en) * | 1988-08-06 | 1990-03-07 | Hans Wall | Sanitary compartment for public use |
-
1993
- 1993-03-18 FR FR9303133A patent/FR2702788B1/en not_active Expired - Fee Related
-
1994
- 1994-03-18 DE DE69403201T patent/DE69403201D1/en not_active Expired - Lifetime
- 1994-03-18 JP JP6520719A patent/JPH08508073A/en active Pending
- 1994-03-18 EP EP94911200A patent/EP0689630B1/en not_active Expired - Lifetime
- 1994-03-18 WO PCT/FR1994/000298 patent/WO1994021866A2/en active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2123046A (en) * | 1982-06-28 | 1984-01-25 | Ica Spa | Self-cleaning water closet cubicle |
EP0162397A2 (en) * | 1984-05-25 | 1985-11-27 | Hering-Bau Sanitärtechnik GmbH | Sanitary cell |
FR2590293A1 (en) * | 1985-11-19 | 1987-05-22 | Vivier Harry | |
EP0356691A1 (en) * | 1988-08-06 | 1990-03-07 | Hans Wall | Sanitary compartment for public use |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5596774A (en) * | 1995-06-15 | 1997-01-28 | Howard; Frederick T. | Self cleaning toilet |
US6128787A (en) * | 1998-02-26 | 2000-10-10 | E. Missel Gmbh & Co. | Flush system |
NL2011150C2 (en) * | 2013-07-12 | 2015-01-15 | Claleco B V | Toilet cleaning system and method for cleaning a toilet system. |
PL126920U1 (en) * | 2018-01-03 | 2019-07-15 | Stanisław Radoń | Water-closet bowl |
Also Published As
Publication number | Publication date |
---|---|
WO1994021866A3 (en) | 1994-11-10 |
FR2702788B1 (en) | 1995-05-05 |
DE69403201D1 (en) | 1997-06-19 |
EP0689630A1 (en) | 1996-01-03 |
JPH08508073A (en) | 1996-08-27 |
EP0689630B1 (en) | 1997-05-14 |
FR2702788A1 (en) | 1994-09-23 |
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