EP2746474A1 - Dispositif de rinçage avec aspiration des odeurs - Google Patents

Dispositif de rinçage avec aspiration des odeurs Download PDF

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Publication number
EP2746474A1
EP2746474A1 EP12199042.8A EP12199042A EP2746474A1 EP 2746474 A1 EP2746474 A1 EP 2746474A1 EP 12199042 A EP12199042 A EP 12199042A EP 2746474 A1 EP2746474 A1 EP 2746474A1
Authority
EP
European Patent Office
Prior art keywords
housing
cistern
flushing
flushing device
housing part
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP12199042.8A
Other languages
German (de)
English (en)
Other versions
EP2746474B1 (fr
Inventor
Rolf Kosarnig
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Geberit International AG
Original Assignee
Geberit International AG
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 Geberit International AG filed Critical Geberit International AG
Priority to EP12199042.8A priority Critical patent/EP2746474B1/fr
Priority to US14/135,844 priority patent/US20140373264A1/en
Priority to US14/135,874 priority patent/US9206591B2/en
Priority to CN201310713999.XA priority patent/CN103882928B/zh
Publication of EP2746474A1 publication Critical patent/EP2746474A1/fr
Application granted granted Critical
Publication of EP2746474B1 publication Critical patent/EP2746474B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • E03D9/04—Special arrangement or operation of ventilating devices
    • E03D9/05—Special arrangement or operation of ventilating devices ventilating the bowl
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/30—Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
    • E03D1/34—Flushing valves for outlets; Arrangement of outlet valves
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D13/00—Urinals ; Means for connecting the urinal to the flushing pipe and the wastepipe; Splashing shields for urinals
    • E03D13/005—Accessories specially adapted for urinals
    • 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
    • E03D9/04—Special arrangement or operation of ventilating devices
    • E03D9/05—Special arrangement or operation of ventilating devices ventilating the bowl
    • E03D9/052—Special arrangement or operation of ventilating devices ventilating the bowl using incorporated fans

Definitions

  • the present invention relates to a flushing device with a suction unit for extracting odors from a sanitary device, such as a Klossettschadorel or a urinal, according to the preamble of claim 1.
  • the EP 1 169 522 shows a device for extracting odors from a toilet bowl. After the device of the EP 1 169 522 a fan with a filter is arranged in the cistern, via which fan air from the toilet bowl can be sucked, the air is then passed through the filter.
  • a disadvantage of the EP 1 169 522 is that the individual components are very expensive to install.
  • the individual components are in a functional context. Incorrect assembly can disrupt this functional interaction.
  • the assembly must therefore be done very carefully, which is very time consuming.
  • the production of this functional interaction among the components is complicated.
  • the invention has for its object to provide a flushing device with odor extraction, which are easier to assemble. Another object is to provide a flushing device which is more reliable and has a longer service life.
  • a flushing device comprises a suction unit for extracting odors from a sanitary device, such as a toilet bowl or a urinal, a cistern for receiving rinse water, a filling valve for filling the cistern and a flushing unit for Provision of rinse water.
  • the flushing unit comprises a flushing valve with an overflow pipe and a triggering element for actuating the flushing valve.
  • the suction unit comprises a fan for extracting air through an air duct which extends at least partially through the cistern, and a filter element for filtering the air, wherein the filter element is the end of the air duct.
  • the beginning of the air duct is preferably in the sanitary device.
  • the said triggering element, the said fan and the said filter element are mounted on a common housing, in particular arranged in a common housing.
  • the storage of the triggering element, the fan and the filter element on or in a common housing has the advantage that the elements are easier to assemble. In addition, the elements are protected by the housing and do not come in contact with the rinse water.
  • a seal is arranged between the upper housing part and the lower housing part.
  • the seal may be a separate seal, such as a rubber seal, or integrated on the upper housing part or on the lower housing part. In the latter case, it would be conceivable that the seal is provided by two contact surfaces.
  • the housing is largely above the waterline of the cistern and thus comes only slightly with the filling of the cistern with the rinse water in contact. As a result, the life of the sanitary device is further increased.
  • the housing is connected via a snap connection with the cistern.
  • the housing is connected to the cistern via the lower housing part, the upper housing part then being indirectly connected to the cistern via the lower housing part.
  • the fan and the filter element is mounted on the upper housing part.
  • the triggering element is preferably at least partially mounted on the housing base.
  • the output lever is movable from a rest position in at least one rinse position. Particularly preferably, the output lever is not in the rest position with the release lever in contact, but comes in motion to the output lever with this in contact.
  • the release lever of the trigger element is mounted on the lower housing part and the motor on the upper housing part.
  • the electrical elements and the mechanical elements are separated.
  • the housing comprises an opening through which at least one control rod of the flushing valve can be passed, wherein the at least one control rod is in communication with the at least one release lever.
  • the triggering element is arranged on a bearing element which is connectable to the housing, in particular to the housing lower part.
  • the triggering element can be inserted with the bearing element in the lower housing part.
  • the housing preferably comprises a control cam for aligning the triggering element during assembly.
  • the control cam moves when connecting the bearing element with the housing, the release lever such that the release lever in
  • control cam is arranged on the lower housing part, wherein during assembly first the lower housing part is mounted in the cistern and then the triggering element is connected to the lower housing part, wherein the triggering element acts on the flushing valve. Subsequently, the upper housing part is still connected to the lower housing part.
  • the housing around said opening on an edge projecting from the housing, which extends away from the housing into the interior of the cistern to below the waterline at full filling. That is, the peripheral edge comes in contact with the water, whereby the water provides a seal, so that is not sucked through the opening air from the cistern into the housing.
  • the filter element is a filter cartridge, which is mounted exchangeably in a housing formed on the receptacle.
  • the receptacle preferably has a shape complementary to the filter cartridge.
  • the housing has a further opening, via which the air can be fed to the filter element.
  • the filter element lies in front of this opening. The filtered air is discharged into the interior of the cistern.
  • the filling valve communicates with the housing or is mounted on the housing.
  • a flushing device 1 according to an embodiment of the invention is shown.
  • the flushing device 1 comprises a suction unit 2 for extracting odors from a sanitary device, a cistern 3 for receiving flushing water for flushing the sanitary device, a filling valve 4 for filling the flushing cistern and a flushing unit 5 for providing flushing water for flushing the sanitary device.
  • the sanitary device can be both a urinal and a toilet bowl.
  • the cistern 3 comprises a bottom 26 and substantially perpendicularly from the bottom 26 extending side walls 27.
  • the front side wall 27 is not shown to allow a view into the cistern 3.
  • Four side walls 27 and the bottom 26 provide the cistern 3 with an interior 20 ready.
  • the interior 20 serves to receive water.
  • At the top of the cistern 3 is open here. But it can also be provided with a corresponding lid.
  • the cistern 3 comprises a drain opening 29. Below the Opening 29, a drain pipe 30 is arranged, which is connectable to the sanitary device.
  • the drain pipe 30 is, for example, with a molded-on cistern 3 connecting piece with the cistern 3 in combination.
  • the rinsing unit 5 comprises a flushing valve 6, which closes the opening 29 in the cistern 3.
  • the flush valve 6 can be raised from the opening 29, in which case water can flow out of the flushing cistern 3 through the drainage pipe 30 to the sanitary device through the resulting annular gap.
  • the flushing valve 6 comprises an overflow pipe 7, which extends along a central axis. During the flushing process both flushing valve 6 and the overflow pipe 7 are lifted from the opening 29.
  • the flushing unit 5 comprises a triggering element 8, which serves to actuate the flushing valve 6. With the trigger element 8, the flush valve 6 can be moved from a closed position to an open position. This is essentially a lifting of the purge valve 6.
  • the suction unit 2 comprises a fan 9 for the suction of air through an air duct 10.
  • the air duct 10 extends at least partially through the cistern 3 therethrough.
  • the suction unit 2 comprises at least one filter element 11 for filtering the air sucked out of the sanitary device.
  • the filter element 11 may contain, for example, activated carbon as the filter medium. Other filter media are also conceivable.
  • the filter element 11 represents the end of the air duct 10.
  • the air duct 10 is provided in the present embodiment through the drain pipe 30 and the overflow pipe 7.
  • the overflow tube 7 provides the portion of the air duct 10 which extends through the cistern 3 therethrough.
  • the overflow pipe 10 discharges directly into the drainage pipe 30 and serves as a security element even in the event of failure of the filling valve 4, so that water can reach the drainage pipe 30 via the overflow pipe 7.
  • Such overflow pipes 7 are already known from the prior art.
  • the triggering element 8, the fan 9 and the filter element 11 are arranged in a common housing 12 or mounted on a common housing 12. This has the advantage that said elements are protected within the cistern by the housing 12 against external influences and that said elements with a common mechanical base in the cistern 3 are fastened. In addition, leaves the trigger element 8, the fan 9, and the filter element 11 easier to assemble, because the number of parts decreases.
  • the housing 12 is formed separately from the cistern 3 and is fixed in or on the cistern 3. The housing 12 may partially protrude out of the cistern.
  • the housing 12 is shown cut so that the elements arranged in the housing 12 can be detected.
  • the housing is shown in the uncut state.
  • the Fig. 3 shows an enlargement of the Fig. 2 ,
  • the housing 12 comprises an upper housing part 13 and a lower housing part 14.
  • the upper housing part 13 can be plugged together with the lower housing part 14.
  • the connection between the upper housing part 13 and the lower housing part 14 is secured by snap connector 31 here.
  • the snap connectors 31 can be solved by hand accordingly.
  • the housing 12 provides by the arrangement of the fan 9 within the housing 12 a portion of the air duct 10 ready.
  • the housing 12 is dense with respect to air, particularly preferably against water.
  • a seal can be arranged between the upper housing part 13 and the lower housing part 14.
  • the sealing effect can also be provided by the skillful design of the connection point between the upper housing part 13 and lower housing part 14, so that no separate seal is necessary.
  • the air duct 10 is overlooking the Fig. 2 It should also be noted that the air duct 10 is provided by the drain pipe 30, the overflow pipe 10, the housing 12 and the filter element 11. Consequently, therefore, the air can be sucked out of the sanitary device in the direction of the cistern 3 via this air duct 10. The air flow is opposite to the flushing water flow. The filtered air is released here in the cistern 3. A return to the room in which the sanitary device is placed, but also conceivable.
  • the waterline WL of the rinse water is still drawn. At full filling of the cistern 3, the waterline WL forms the highest water level.
  • the housing 12 is largely above the waterline WL. Thus, therefore, the housing 12 is only minimally in full filling of the cistern 3 with the rinse water in contact. This has the advantage that the elements arranged in the housing 12 do not come into direct contact with the rinse water, which significantly increases their service life.
  • the housing 12 protrudes with only one edge 19 into the rinse water.
  • the edge 19 thus extends through the waterline WL down into the rinse water.
  • the function of the edge 19 will be explained in more detail below.
  • the fan 9 and the filter element 11 are arranged on the upper housing part 13.
  • the triggering element 8, however, is arranged on the lower housing part 12. This arrangement has the advantage that the elements which provide the air extraction, are mounted on a single housing part. In the case of maintenance of the suction unit 2, here the fan 9 and the filter element 11, the installer must therefore do only acts on the upper housing part 13.
  • the rinsing unit 5, here the triggering element 8, is mounted on the lower housing part 14. During maintenance of the suction unit 2, the lower housing part 14 may remain in the cistern 3 and does not need to be removed. Consequently, the arrangement of the fan 9 and the filter element 11 on the upper housing part 13 and the arrangement of the trigger element 8 on the lower housing part 12 provides a functional separation of the function air suction and the function flushing.
  • triggering element 8 it should also be noted that some elements of the triggering element 8, such as a motor 15, can certainly also be arranged on the housing upper part 13. Although this leads to a softening of the functional separation, but has other benefits.
  • the housing 12 is mounted in the cistern.
  • the housing 12 is connected via a snap connection with the cistern 3 in connection.
  • the corresponding snap elements are arranged on the lower housing part 14. That is, the upper housing part 13 is not mechanically connected to the cistern 3 in connection, but is connected via the lower housing part 12 with the cistern 3.
  • the triggering element 8 here further comprises a motor 15 and a tripping lever 16 driven by the motor 15.
  • the triggering lever 16 is connected to a control rod 18 of the flushing valve 6.
  • the control rod 18, which in the Fig. 3 can be detected acts on the overflow pipe 7 and the purge valve 6.
  • the control rod 18 and thus also the purge valve 6 is lifted from the opening 29.
  • a full flush or a partial flush can be carried out.
  • the release lever 16 either moves to two different positions or the opening is timed.
  • the release lever 16 includes, as of the Fig. 6 can be detected, in the present embodiment, a bearing portion 32 and a lever portion 33. With the lever portion 33 of the trigger lever 16 is in communication with the control rod 18, wherein the control rod 18 has an opening 34 for this purpose. With the storage section 32 of the release lever 16 is connected to a bearing element 12 in connection.
  • the bearing element 21 can preferably be connected to the housing 12, in this case to the housing lower part 14. Preferably, the storage element 21 can be inserted into the lower housing part 14.
  • the release lever 16 is pivotally mounted to the bearing element 21. For this purpose, two pivot pins 35 on the release lever 16 in receiving openings 36 on the bearing element 21 a.
  • the movement of the motor 15 acts on the release lever 16 via the projection 37.
  • the motor 15 comprises an output lever 23.
  • the output lever 23 stands with the output shaft 38 of the motor 15 in connection.
  • the output lever 23 engages here at the neck 37.
  • the Fig. 3 can be recognized that the output lever 23 is in the rest position.
  • the output lever 23 pivots to the release lever 16 and engages it at the neck 37, whereby the release lever 16 and thus the control rod 18 are raised. The flushing is thus triggered.
  • the output lever 23 is pivoted back into the rest position, whereby the release lever 16 is moved back down.
  • the purge valve 16 is then closed again.
  • the motor 16 with the output lever 23 is arranged here on the upper housing part 13. Consequently, therefore, parts of the release element 8 are arranged on the upper housing part 13 and parts of the triggering element 8 on the lower housing part 14. As a result, the above-mentioned functional separation is not achieved directly.
  • the arrangement of the motor 16 as an electrical component on the same housing part as the fan 9, which is also an electrical component the advantage that in case of an electrical defect only said housing part must be replaced. Consequently, there is also a kind of functional separation between electrical components, which are arranged on the upper housing part 13, and mechanical components, which are arranged on the lower housing part 14.
  • the lower housing part 14 has a control cam 22 for aligning the release lever 16. If now the bearing element 21 is placed with the release lever 16 in the lower housing part 14, the release lever 16 is aligned via the control cam 22. About the cam 22 of the release lever 16 is automatically connected during assembly of the same with the control rod 18. Consequently, therefore, the release lever 16 is guided by the cam 22 during assembly accordingly.
  • the housing 12, here the lower housing part 14 comprises an opening 17, through which at least one control rod 18 of the flushing valve can be passed.
  • the control rod 18 thus projects into the housing 12.
  • the at least one control rod 18 is connected to the at least one release lever 16 in connection.
  • the housing 12 includes a protruding edge 19 which extends around said opening 17.
  • the edge 19 extends away from the housing 12 and surrounds the opening 17 completely.
  • the edge 19 below the waterline WL and thus protrudes into the water.
  • the edge 19 extends to below the Waterline WL.
  • the opening 17 is sealed accordingly, because no air from above the waterline WL can reach the opening 17.
  • the opening 17 is arranged in a collar-like portion 40, which extends into the housing 12.
  • a negative pressure prevails within the housing 12.
  • This collar-like portion 40 has the advantage that in the process of sucking the water located within the edge 19 can not be sucked into the housing 12. Consequently, the collar-like portion 40 increases the distance between the highest water level and the opening 17.
  • the filter element 11 is preferably a filter cartridge 24, which is mounted interchangeably in a housing 25 integrally formed on the receptacle 25.
  • the filter element 11 is mounted on the housing 12.
  • the receptacle 25 preferably extends from the outside of the housing 12 so that it does not have to be removed when replacing the filter cartridge 24.
  • the receptacle 25 is integrally formed on the upper housing part 15.
  • the filter element 11 or the filter cartridge 24 may also lie within the housing 12.
  • the area of the filter element 11, the housing 12 has an opening, not shown here.
  • the opening 11 and the filter element 11 hereby represent the end of the air duct 10.
  • the fan 9 is located on the other side of the opening within the housing 12.
  • the motor 15 and the fan 9 are provided with cables 39.
  • the two elements can be connected to a controller or a power supply.
  • the cables 39 pass through an opening from the interior of the housing 12 through the housing 12, here through the housing upper part 14 therethrough.
  • Fig. 3 can be further recognized that the filling valve 4 is also mounted on the housing 12.
  • the filling valve 4 is thus in communication with the housing 12.
  • Filling valve may be a previously known from the prior art filling valve 4.
  • the filling valve 4 has the function to control the filling of the cistern 3 after Spülauslect.
  • the housing 12 here the lower housing part 14, a receiving element 41.
  • the receiving element 4 extends laterally away from the lower housing part 14 and is integrally formed on the lower housing part 14. At this receiving element 41, the filling valve can be connected to the housing 12.
  • the housing 12 is a plastic injection molded part, the housing lower part 14 being produced separately from the housing upper part 15.

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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)
  • Epidemiology (AREA)
  • Sanitary Device For Flush Toilet (AREA)
EP12199042.8A 2012-12-21 2012-12-21 Dispositif de rinçage avec l'aspiration des odeurs Active EP2746474B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP12199042.8A EP2746474B1 (fr) 2012-12-21 2012-12-21 Dispositif de rinçage avec l'aspiration des odeurs
US14/135,844 US20140373264A1 (en) 2012-12-21 2013-12-20 Flushing device with odour extraction
US14/135,874 US9206591B2 (en) 2012-12-21 2013-12-20 Flushing device with odour extraction
CN201310713999.XA CN103882928B (zh) 2012-12-21 2013-12-20 具有气味抽取的冲洗装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12199042.8A EP2746474B1 (fr) 2012-12-21 2012-12-21 Dispositif de rinçage avec l'aspiration des odeurs

Publications (2)

Publication Number Publication Date
EP2746474A1 true EP2746474A1 (fr) 2014-06-25
EP2746474B1 EP2746474B1 (fr) 2020-04-22

Family

ID=47552815

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12199042.8A Active EP2746474B1 (fr) 2012-12-21 2012-12-21 Dispositif de rinçage avec l'aspiration des odeurs

Country Status (3)

Country Link
US (2) US20140373264A1 (fr)
EP (1) EP2746474B1 (fr)
CN (1) CN103882928B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107574894A (zh) * 2017-09-14 2018-01-12 如皋福大工程技术研究院有限公司 具有除臭功能的马桶
CN107447835A (zh) * 2017-09-14 2017-12-08 如皋福大工程技术研究院有限公司 多功能马桶
CN111877478B (zh) * 2018-08-21 2021-06-15 绍兴市逸晨医疗科技有限公司 一种蹲式厕所用清洁设备及清洁方法
US11427995B2 (en) 2018-10-10 2022-08-30 Kohler Co. Quiet flush actuator for pressure-assist toilets

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5353443A (en) * 1993-07-23 1994-10-11 Sim Jae K Toilet assembly having a combined automatic ventilation and flushing system
US5369813A (en) * 1993-12-10 1994-12-06 Goddard; Lewis W. Self-contained toilet venting system
WO2000011278A1 (fr) * 1998-08-21 2000-03-02 Hiroaki Yasuda Dispositif de desodorisation et de sterilisation pour chasse d'eau de toilettes
EP1169522A1 (fr) 1999-04-12 2002-01-09 Kohler Co. Dispositifs et procedes destines a l'aeration de toilettes, et mettant en oeuvre un detecteur radar
WO2005045145A1 (fr) * 2003-11-10 2005-05-19 Eczacibasi Yapi Gerecleri San.Tic. A.S. Reservoir de chasse encastre a filtrage des odeurs
US20080307570A1 (en) * 2007-06-14 2008-12-18 Howard Marks Toilet odor elimination device
EP2336435A1 (fr) * 2009-12-09 2011-06-22 Geberit International AG Chasse d'eau dotée d'une aspiration des odeurs

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5353433A (en) 1990-09-06 1994-10-04 Digital Equipment Corporation Method and apparatus for organizing and analyzing timing information
US8332969B2 (en) * 2006-10-10 2012-12-18 Joseph Spadola Automatic control and battery power supply
WO2010041151A2 (fr) * 2008-10-07 2010-04-15 Martin Marian Joseph Maye Système d'extraction d'odeurs pour l'extraction d'odeurs d'une cuvette de toilettes
WO2011056179A1 (fr) * 2009-11-06 2011-05-12 Prodius Llc Système et procédé de commande d'écoulement d'eau

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5353443A (en) * 1993-07-23 1994-10-11 Sim Jae K Toilet assembly having a combined automatic ventilation and flushing system
US5369813A (en) * 1993-12-10 1994-12-06 Goddard; Lewis W. Self-contained toilet venting system
WO2000011278A1 (fr) * 1998-08-21 2000-03-02 Hiroaki Yasuda Dispositif de desodorisation et de sterilisation pour chasse d'eau de toilettes
EP1169522A1 (fr) 1999-04-12 2002-01-09 Kohler Co. Dispositifs et procedes destines a l'aeration de toilettes, et mettant en oeuvre un detecteur radar
WO2005045145A1 (fr) * 2003-11-10 2005-05-19 Eczacibasi Yapi Gerecleri San.Tic. A.S. Reservoir de chasse encastre a filtrage des odeurs
US20080307570A1 (en) * 2007-06-14 2008-12-18 Howard Marks Toilet odor elimination device
EP2336435A1 (fr) * 2009-12-09 2011-06-22 Geberit International AG Chasse d'eau dotée d'une aspiration des odeurs

Also Published As

Publication number Publication date
EP2746474B1 (fr) 2020-04-22
US20140373264A1 (en) 2014-12-25
US9206591B2 (en) 2015-12-08
CN103882928A (zh) 2014-06-25
US20140173818A1 (en) 2014-06-26
CN103882928B (zh) 2017-03-01

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