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US20060137085A1 - Toilet bowl with changeable water seal - Google Patents

Toilet bowl with changeable water seal Download PDF

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Publication number
US20060137085A1
US20060137085A1 US10/545,748 US54574805A US2006137085A1 US 20060137085 A1 US20060137085 A1 US 20060137085A1 US 54574805 A US54574805 A US 54574805A US 2006137085 A1 US2006137085 A1 US 2006137085A1
Authority
US
United States
Prior art keywords
sewage draining
draining passage
reset device
toilet bowl
chamber outlet
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.)
Abandoned
Application number
US10/545,748
Other languages
English (en)
Inventor
Dongcai Xiang
Hongyu Shi
Yue Zhang
Jiling Shi
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.)
Jiangsu High & New Technology Development Institute
Original Assignee
Jiangsu High & New Technology Development Institute
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
Priority claimed from CN 03112884 external-priority patent/CN1202321C/zh
Priority claimed from CNA031323111A external-priority patent/CN1514082A/zh
Application filed by Jiangsu High & New Technology Development Institute filed Critical Jiangsu High & New Technology Development Institute
Assigned to JIANGSU HIGH & NEW TECHNOLOGY DEVELOPMENT INSTITUTE reassignment JIANGSU HIGH & NEW TECHNOLOGY DEVELOPMENT INSTITUTE ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SHI, HONGYU, SHI, JILING, XIANG, DONGCAI, ZHANG, YUE
Publication of US20060137085A1 publication Critical patent/US20060137085A1/en
Abandoned legal-status Critical Current

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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
    • E03D11/10—Bowls with closure elements provided between bottom or outlet and the outlet pipe; Bowls with pivotally supported inserts
    • 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
    • E03D11/18—Siphons

Definitions

  • the present invention generally relates to a toilet bowl, and more specifically, to a variable water sealed toilet bowl.
  • the water seal device of the traditional toilet bowl is a fixed bending sewage draining passage with deeper water storage, including an upper chamber, a lower chamber, an upper chamber outlet and a lower chamber outlet.
  • the present invention provides a variable water sealed toilet bowl, which is equipped with a tiltable sewage draining passage enabling the change in the height of the waterseal: at other times the waterseal is high that providing a more desirable blocking effect, when it is flushing, the height of waterseal can be lowered and has the effect of reducing the flush resistance and saving the water for flush.
  • a variable water sealed toilet bowl comprising an upper chamber, a lower chamber, an upper chamber outlet, and a lower chamber outlet, wherein it's equipped with a tiltable sewage draining passage; the tiltable sewage draining passage is mounted on a supporting axle or supporting hole, its lower end surrounding the upper chamber outlet and its higher end that can lower and reset automatically leading to the lower chamber outlet, and the reset device of tiltable sewage draining passage is also equipped.
  • the tiltable sewage draining passage mentioned above may be rotated around the supporting axle, the upper limit of the rotation is the higher position of the tiltable sewage draining passage; and the lower limit of the rotation is the lower position of the tiltable sewage draining passage.
  • the tiltable sewage draining passage is kept at the higher position by the reset device, thus the waterseal is high; when it is flushing, owing to the current, the tiltable sewage draining passage overcomes the force from the reset device to rotate around the supporting axle or supporting hole and move into the lower position, which lowers the height of the waterseal and achieves the effect of lowering the flush resistance and saving water for flush.
  • the tiltable sewage draining passage is reset by the reset device and resume its position with a high waterseal.
  • the described tiltable sewage draining passage can be a U-pipe sewage draining passage, a ⁇ -pipe sewage draining passage or tiltable tubular sewage draining passages of any other shapes.
  • the described reset device can be selected from the counterweight reset device, the compression spring reset device, the tension spring reset device and the combined reset device of tension spring and compression spring or any other devices that can replace the tiltable sewage draining passage from the lower position to the higher position.
  • the supporting axle or supporting hole of the described tiltable sewage draining passage is mounted on the outside of the upper chamber outlet or the outside of the lower chamber outlet in the lower chamber.
  • the described tiltable sewage draining passage is tubular, namely, tiltable tubular sewage draining passage, and the configuration of the tiltable tubular sewage draining passage is: a flexible tubular sewage draining passage is mounted on the outside groove of the elbowed upper chamber outlet, the tiltable frame tilting around the axle is supported in the supporting hole on the hoop supporter fastened with bolt, and there is a reset device on one side of the tiltable frame, the other side thereof inclines to extend upwards to join the flexible tubular sewage draining passage that is extending with it simultaneously or join the tubular sewage draining passage connected to the flexible tubular sewage draining passage to form a horizontal, vertical or inclined tiltable outlet leading to the lower chamber outlet, and is tilted and reset with the tiltable frame synchronously; there is a narrow plate in the middle of the frame edge on one side of the tiltable frame, that bends downwards to form a bump, the narrow plate bending downwards and the bump form the limit plate and limit bump limiting tilt and reset.
  • the described tiltable sewage draining passage is basin-shaped, namely, the variable waterseal is basin-shaped variable waterseal, which comprise: a basin-shaped sewage draining passage with a axle and capable of tilt around the axle, that is supported in the supporting hole on the hoop supporter fastened with bolt on the outside of the upper chamber outlet, and the upper chamber outlet extends into the lower end of the basin-shaped sewage draining passage, and the basin-shaped sewage draining passage inclines right upwards and extends to the horizontal tilting outlet, and there exists reset counterweight on the left outside of the basin-shaped sewage draining passage; the horizontal plate on the top of the supporter is the limit plate, a bending bump is the limit bump; the bottom of the supporter is fastened by screws.
  • the variable waterseal is basin-shaped variable waterseal, which comprise: a basin-shaped sewage draining passage with a axle and capable of tilt around the axle, that is supported in the supporting hole on the hoop supporter fastened with bolt on the outside of the upper
  • the advantage of the present invention is in eliminating the high waterseal, high waster resistance and heavy waste of water of the fixed sewage draining passage between the upper chamber outlet and the lower chamber outlet in traditional toilet bowl.
  • Design the sewage draining passage as the variable tiltable sewage draining passage that can tilt automatically into low waterseal when it is flushing and reset automatically into high waterseal when it doesn't flush seals the smell and improves the flush effect greatly, and the water is saved, thus, its structure is simple and reliable, the price performance ratio is high.
  • FIG. 1 is the structural schematic diagram of a U-pipe variable water sealed toilet bowl with an upper counterweight reset mechanism
  • FIG. 2 is the partial side view of the U-pipe variable water sealed toilet bowl with an upper counterweight reset mechanism
  • FIG. 3 is the partial top-down view of the U-pipe variable water sealed toilet bowl with an upper counterweight reset mechanism
  • FIG. 4 is the structural schematic diagram of a ⁇ pipe variable water sealed toilet bowl with an upper counterweight reset mechanism
  • FIG. 5 is the partial side view of the ⁇ pipe variable water sealed toilet bowl with an upper counterweight reset mechanism
  • FIG. 6 is the partial structural schematic diagram of a U-pipe variable water sealed toilet bowl with a lower counterweight reset mechanism
  • FIG. 7 is the partial structural schematic diagram of a U-pipe variable water sealed toilet bowl with an upper tension spring reset mechanism
  • FIG. 8 is the partial structural schematic diagram of a U-pipe variable water sealed toilet bowl with an upper compression spring reset mechanism
  • FIG. 9 is the partial structural schematic diagram of a U-pipe variable water sealed toilet bowl with a combined reset mechanism of upper tension spring and upper compression spring;
  • FIG. 10 is the partial structural schematic diagram of a ⁇ pipe variable water sealed toilet bowl with an upper tension spring reset mechanism
  • FIG. 11 is the partial structural schematic diagram of a ⁇ pipe variable water sealed toilet bowl with an upper compression spring reset mechanism
  • FIG. 12 is the partial structural schematic diagram of a ⁇ pipe variable water sealed toilet bowl with a combined reset mechanism of upper tension spring and upper compression spring;
  • FIG. 13 is the partial structural schematic diagram of a U-pipe variable water sealed toilet bowl with a lower tension spring reset mechanism
  • FIG. 14 is the partial structural schematic diagram of a U-pipe variable water sealed toilet bowl with a lower compression spring reset mechanism
  • FIG. 15 is the partial structural schematic diagram of a U-pipe variable water sealed toilet bowl with a combined reset mechanism of upper tension spring and lower compression spring;
  • FIG. 16 is the structural schematic diagram of the tubular variable water sealed toilet bowl
  • FIG. 17 is the partial side view of the tubular variable water sealed toilet bowl
  • FIG. 18 is the partial top-down view of the tubular variable water sealed toilet bowl
  • FIG. 19 is the structural schematic diagram of the basin-shaped variable water sealed toilet bowl
  • FIG. 20 is the partial side view of the basin-shaped variable water sealed toilet bowl
  • FIG. 21 is the partial top-down view of the basin-shaped variable water sealed toilet bowl.
  • the tiltable tubular sewage draining passage disclosed in the present invention is a U-pipe variable water sealed toilet bowl with an upper counterweight reset mechanism, including a flexible hose 18 and a hoop 10 on which a tilt limit bending plate 15 , a reset limit bending plate 16 and a symmetrical supporting axle 17 are provided are mounted and then fastened by bolt 24 on the outside of an upper chamber outlet 3 in the lower chamber 2 .
  • a U-pipe sewage draining passage 13 which can tilt around the supporting axle 17 and reset, is supported on the symmetrical supporting axle 17 , with a supporter 12 having supporting hole being mounted on the outside of the U-pipe sewage draining passage 13 , on the other side of supporter 12 a counterweight 14 is disposed, one end of the U-pipe sewage draining passage 13 is sleeved into the flexible hose 18 and fastened by hoop 11 , and on the other end, namely, outlet 19 of the sewage draining passage communicates with the lower chamber outlet 4 .
  • Window 9 is disposed on either side of the lower chamber 2 , and an outer cover 21 and a gasket 22 are fixed on the inner cover 20 with countersunk head thread holes and the toilet bowl is fixed on the floor through the foot holes 8 .
  • the resetting force which is formed by the combined action of counterweight 14 , supporter 12 , bolt 26 , bolt 25 , hoop 11 , flexible hose 18 and U-pipe sewage draining passage 13 and the remaining water therein keeps the U-pipe sewage draining passage 13 in the high waterseal position under the resetting status and limited by the reset limit bending plate 16 ;
  • water in the water tank enters a loop diversion pipe 6 from a flush pipe inlet connection 5 and spouts to the inner wall of the upper chamber 1 through a set of diversion holes 7 , then flows into the flexible hose 18 and U-pipe sewage draining passage 13 from the upper chamber outlet 3 and finally drains out via the sewage draining passage outlet 19 and the lower chamber outlet 4
  • the tiltable tubular sewage draining passage disclosed in the present invention is a ⁇ pipe variable water sealed toilet bowl with an upper counterweight reset mechanism, including a flexible hose 18 and a hoop 10 on which a tilt limit bending plate 15 , a reset limit bending plate 16 and a symmetrical supporting axle 17 are provided are mounted and then fastened by bolt 24 on the outside of an upper chamber outlet 3 in the lower chamber 2 .
  • a ⁇ pipe sewage draining passage 27 which can tilt around the supporting axle 17 and reset, is supported on the symmetrical supporting axle 17 , with a supporter 12 having supporting hole being mounted on the outside of the ⁇ pipe sewage draining passage 27 , on the other side of supporter 12 a counterweight 14 is disposed, one end of the ⁇ pipe sewage draining passage 27 is sleeved into the flexible hose 18 and fastened by hoop 11 , and on the other end, namely, outlet 19 of the sewage draining passage communicates with the lower chamber outlet 4 .
  • Window 9 is disposed on either side of the lower chamber 2 , and an outer cover 21 and a gasket 22 are fixed on the inner cover 20 with countersunk head thread holes and the toilet bowl is fixed on the floor through the foot hole 8 .
  • the resetting force which is formed by the combined action of counterweight 14 , supporter 12 , bolt 26 , bolt 25 , hoop 11 , flexible hose 18 and ⁇ pipe sewage draining passage 27 and the remaining water therein keeps the ⁇ pipe sewage draining passage 27 in the high waterseal position under the resetting status and limited by the reset limit bending plate 16 ;
  • water in the water tank enters a loop diversion pipe 6 from a flush pipe inlet connection 5 and spouts to 10 the inner wall of the upper chamber 1 through a set of diversion holes 7 , then flows into the flexible hose 18 and ⁇ pipe sewage draining passage 27 from the upper chamber outlet 3 and finally drains out via the sewage draining passage outlet 19 and the lower chamber outlet 4
  • the tiltable tubular sewage draining passage disclosed in the present invention is a U-pipe variable water sealed toilet bowl with a lower counterweight reset mechanism, including hoop 10 on which a symmetrical supporting axle 17 , a tilt limit bending plate 15 and reset limit bending plate 16 are provided is mounted and fastened by bolt 29 on the outside of the lower chamber outlet 4 in the lower chamber 2 .
  • a U-pipe sewage draining passage 13 which can tilt around the supporting axle 17 and reset and communicates with the lower chamber outlet 4 , is supported on the symmetrical supporting axle 17 , with a supporter 12 having supporting hole being mounted on the outside of the U-pipe sewage draining passage 13 , and on the other side of the supporter 12 , a counterweight 14 is disposed.
  • the other end of the U-pipe sewage draining passage 13 is sleeved into the flexible hose 18 and fastened by hoop 11 and bolt 25 ; the other end of the flexible hose 18 is sleeved on the outside of the upper chamber outlet 3 and is fasten by hoop 28 and bolt 24 .
  • the tiltable tubular sewage draining passage disclosed in the present invention is a U-pipe or ⁇ pipe variable water sealed toilet bowl with a spring reset mechanism, including hoop 10 on which symmetrical supporting axle 17 , tilt limit bending plate 15 , reset limit bending plate 16 , spring mount bending plates 30 and 31 are provided is mounted and fastened by bolt 24 or bolt 29 on the outside of the upper chamber outlet 3 or the lower chamber outlet 4 .
  • a U-pipe sewage draining passage 13 or ⁇ pipe sewage draining passage 27 which can tilt around the supporting axle 17 and reset, is supported on the symmetrical supporting axle 17 , with a supporter 12 having supporting hole being mounted on the outside of the U-pipe sewage draining passage 13 or ⁇ pipe sewage draining passage 27 , on the other side of supporter 12 spring mount bending plates 32 and 33 is disposed, compression spring 35 is mounted between bending plates 30 and 32 , and tension spring 34 is mounted between bending plates 31 and 33 .
  • U-pipe sewage draining passage 13 or ⁇ pipe sewage draining passage 27 is sleeved into the flexible hose 18 and fastened by hoop 11 and bolt 25 , and the other end, namely outlet 19 of sewage draining passage, communicates with the lower chamber outlet 4 , the other end of the flexible hose 18 is sleeved and fastened by hoop and bolt on the out side of the upper chamber outlet 3 .
  • the resetting force which is formed by the combined action of the tension spring 34 or compressing spring 35 or the combination of tension spring 34 and compressing spring 35 , supporter 12 , bolt 25 , bolt 26 , hoop 11 , flexible hose 18 and U-pipe sewage draining passage 13 or ⁇ pipe sewage draining passage 27 and the remaining water therein keeps the U-pipe sewage draining passage 13 or ⁇ pipe sewage draining passage 27 in the high waterseal position under the resetting status and limited by the reset limit bending plate 16 ; when it is flushing, water in the water tank enters a loop diversion pipe 6 from a flush pipe inlet connection 5 and spouts to the inner wall of the upper chamber 1 through a set of diversion holes 7 , then flows into the flexible hose 18 and the U-pipe sewage draining passage 13 or ⁇ pipe sewage draining passage 27 from the upper chamber outlet 3 and finally drains out via the sewage draining passage outlet 19 and the lower chamber outlet 4 , when the flushing begins,
  • the sewage draining passage disclosed in the present invention is a tubular(namely, the variable waterseal is tubular) variable water sealed toilet bowl. It includes flexible tubular sewage draining passage 40 mounted on the outside groove of the upper chamber outlet 3 with a shape of elbow in the lower part of the upper chamber 1 ; in the supporting hole of supporter 36 that is fastened by bolt 46 and integrated with the hoop 10 , a tiltable frame 37 is supported which is connected via screw axle 43 and may tilt around the screw axle 43 . On the lower left side of the tiltable frame 37 there is a reset counterweight 44 .
  • Annulus 39 at the end of an elongated curved plate 38 which extends toward upper right quadrant from the right side of the tiltable frame 37 is inserted into the interlayer formed by the flanging nozzle of the flexible tubular sewage draining passage 40 that extends parallelly with the curved plate 38 to form a horizontal tilting outlet 47 that is tilted and reset with the tiltable frame 37 synchronously.
  • a narrow plate in the middle part of the edge of left frame of tiltable frame 37 bends downward and forms a bump, the narrow plate and the bump form limit plate 41 and limit bump 42 used to limit tilt and reset.
  • the mounting windows 9 are provided, and outer cover 21 and inner cover 22 on which gasket 22 and the countersunk head thread hole are provided are tighten up by bolt 23 and the toilet bowl is fixed on the floor through foot holes 8 .
  • the resetting force which is formed by the combined action of counterweight 44 , tiltable frame 37 , curved plate 38 , annulus 39 and tubular sewage draining passage 40 and the remaining water therein keeps the tubular sewage draining passage 40 in the high waterseal position under the resetting status and limited by the limit bump 42 ; when it is flushing, water in the water tank enters the loop diversion pipe 6 from flush pipe inlet connection 5 and spouts on the scouring surface of the upper chamber 1 through a set of diversion holes 7 , then flows into the lower end of the tubular sewage draining passage 40 from the upper chamber outlet 3 and flows out from the horizontal tilting outlet 47 on the upper right side and finally drains out through the lower chamber outlet 4 of the under part of the lower chamber 2 .
  • the tubular sewage draining passage 40 tilts around the screw axle 43 automatically until it is limited by limit plate 41 , thereby the horizontal tilting outlet 47 is lowered and the low waterseal status for flushing is formed, as shown by the dot line in FIG. 16 .
  • the tilting force becomes smaller than the resetting force again, and the horizontal tilting outlet 51 ascends to the high waterseal position as the tubular sewage draining passage 40 reset automatically.
  • the sewage draining passage disclosed in the present invention is a basin-shaped (namely, the variable waterseal is basin-shaped) variable water sealed toilet bowl. It includes a basin-shaped sewage draining passage 40 which has a axle 43 and can tilt around the axle is supported in the supporting hole of supporter 36 that is fastened by bolt 46 and integrated with hoop 10 on the outside groove of the upper chamber outlet 3 of the lower part of the upper chamber 1 .
  • the upper chamber outlet 3 extends into the lower part of the basin-shaped sewage draining passage 40 , which extended toward the upper right quadrant to horizontal tilting outlet 47 .

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sanitary Device For Flush Toilet (AREA)
US10/545,748 2003-02-26 2004-02-06 Toilet bowl with changeable water seal Abandoned US20060137085A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CN 03112884 CN1202321C (zh) 2003-02-26 2003-02-26 可变水封式抽水马桶
CN03112884.X 2003-02-26
CN03132311.1 2003-08-13
CNA031323111A CN1514082A (zh) 2003-08-13 2003-08-13 偏转管形可变水封式抽水马桶
PCT/CN2004/000099 WO2004081304A1 (fr) 2003-02-26 2004-02-06 Cuvette de wc a garde d'eau modifiable

Publications (1)

Publication Number Publication Date
US20060137085A1 true US20060137085A1 (en) 2006-06-29

Family

ID=32991710

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/545,748 Abandoned US20060137085A1 (en) 2003-02-26 2004-02-06 Toilet bowl with changeable water seal

Country Status (6)

Country Link
US (1) US20060137085A1 (fr)
EP (1) EP1598492A4 (fr)
JP (1) JP2006519326A (fr)
KR (1) KR20050110642A (fr)
AU (1) AU2004220009B2 (fr)
WO (1) WO2004081304A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090188032A1 (en) * 2008-01-28 2009-07-30 Shu-Ki Yeung Tilting-bowl toilet
US20100313344A1 (en) * 2008-02-01 2010-12-16 Inax Corporation Drainage connector
KR101377544B1 (ko) 2013-06-12 2014-03-25 (주)여명테크 직수 공급식 절수형 양변기
US20210404165A1 (en) * 2019-03-21 2021-12-30 Brigham Young University Noise reduction pipes, vacuum-assisted toilet systems including the same, and methods of using the same
US11408161B2 (en) 2019-03-21 2022-08-09 Brigham Young University Vacuum-assisted toilet systems and methods of using the same
US11702832B2 (en) 2019-03-21 2023-07-18 Brigham Young University Vacuum-assisted toilet systems and methods of using the same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103643730B (zh) * 2013-11-28 2016-02-03 科勒(中国)投资有限公司 高清洁性能马桶及其冲水方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3798681A (en) * 1972-01-10 1974-03-26 O Johansen Device in water closets
US3835479A (en) * 1973-04-04 1974-09-17 Itt Toilet valve assembly
US5257422A (en) * 1990-07-20 1993-11-02 Geberit Ag Drain connection on a sanitary article
US6332229B1 (en) * 2000-12-13 2001-12-25 O'malley Conor Automated flap and cup cleaner water-saving toilet
US6496989B1 (en) * 1999-01-19 2002-12-24 Detlef Meiser Toilet device that can be transformed into a urinal

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Publication number Priority date Publication date Assignee Title
ZA746927B (en) * 1973-11-09 1975-11-26 Technical Innovation Co Improvements in latrines
JPS5242637A (en) * 1975-10-01 1977-04-02 Yoshihei Nakano Automatic drainage system for a flush toilet
US6076200A (en) * 1995-02-28 2000-06-20 Yeung; Shu-Ki Fluid-operated tilting-bowl toilet
CN2326646Y (zh) * 1997-12-29 1999-06-30 刘铁仓 新型便器
CN2378451Y (zh) * 1999-07-23 2000-05-17 李俊先 弹性水封大便器
KR200189623Y1 (ko) * 1999-11-11 2000-07-15 이홍석 양변기의 저수 및 배출 구조.
JP2002322717A (ja) * 2001-04-25 2002-11-08 Inax Corp 水洗式便器
CN2491512Y (zh) * 2001-07-25 2002-05-15 卢太白 节水型安全活动水封座便器
CN2526372Y (zh) * 2001-10-01 2002-12-18 张建忠 坐便器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3798681A (en) * 1972-01-10 1974-03-26 O Johansen Device in water closets
US3835479A (en) * 1973-04-04 1974-09-17 Itt Toilet valve assembly
US5257422A (en) * 1990-07-20 1993-11-02 Geberit Ag Drain connection on a sanitary article
US6496989B1 (en) * 1999-01-19 2002-12-24 Detlef Meiser Toilet device that can be transformed into a urinal
US6332229B1 (en) * 2000-12-13 2001-12-25 O'malley Conor Automated flap and cup cleaner water-saving toilet

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090188032A1 (en) * 2008-01-28 2009-07-30 Shu-Ki Yeung Tilting-bowl toilet
US8516623B2 (en) * 2008-01-28 2013-08-27 Shu-Ki Yeung Tilting-bowl toilet
US20100313344A1 (en) * 2008-02-01 2010-12-16 Inax Corporation Drainage connector
US8677519B2 (en) 2008-02-01 2014-03-25 Lixil Corporation Drainage connector
KR101377544B1 (ko) 2013-06-12 2014-03-25 (주)여명테크 직수 공급식 절수형 양변기
US20210404165A1 (en) * 2019-03-21 2021-12-30 Brigham Young University Noise reduction pipes, vacuum-assisted toilet systems including the same, and methods of using the same
US11408161B2 (en) 2019-03-21 2022-08-09 Brigham Young University Vacuum-assisted toilet systems and methods of using the same
US11560704B2 (en) * 2019-03-21 2023-01-24 Brigham Young University Noise reduction pipes, vacuum-assisted toilet systems including the same, and methods of using the same
US11702832B2 (en) 2019-03-21 2023-07-18 Brigham Young University Vacuum-assisted toilet systems and methods of using the same

Also Published As

Publication number Publication date
EP1598492A4 (fr) 2008-04-23
AU2004220009B2 (en) 2007-04-26
AU2004220009A1 (en) 2004-09-23
JP2006519326A (ja) 2006-08-24
KR20050110642A (ko) 2005-11-23
WO2004081304A1 (fr) 2004-09-23
EP1598492A1 (fr) 2005-11-23

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Legal Events

Date Code Title Description
AS Assignment

Owner name: JIANGSU HIGH & NEW TECHNOLOGY DEVELOPMENT INSTITUT

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SHI, HONGYU;XIANG, DONGCAI;ZHANG, YUE;AND OTHERS;REEL/FRAME:016709/0712

Effective date: 20050720

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION