EP4707480A1 - Toilettes à chasse d'eau - Google Patents

Toilettes à chasse d'eau

Info

Publication number
EP4707480A1
EP4707480A1 EP25198543.8A EP25198543A EP4707480A1 EP 4707480 A1 EP4707480 A1 EP 4707480A1 EP 25198543 A EP25198543 A EP 25198543A EP 4707480 A1 EP4707480 A1 EP 4707480A1
Authority
EP
European Patent Office
Prior art keywords
water conduit
jet
water
flush
downstream side
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.)
Pending
Application number
EP25198543.8A
Other languages
German (de)
English (en)
Inventor
Kotaro Hada
Hideo Iwaki
Masaaki Momoe
Yusuke TONE
Yuki YAMASAKI
So Otani
Daichi Hara
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.)
Toto Ltd
Original Assignee
Toto Ltd
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 Toto Ltd filed Critical Toto Ltd
Publication of EP4707480A1 publication Critical patent/EP4707480A1/fr
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03DWATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/01Special constructions of flushing devices, e.g. closed flushing system using flushing pumps
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03DWATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/24Low-level flushing systems
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03DWATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D11/00Other 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
    • E03D11/02Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03DWATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D11/00Other 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
    • E03D11/02Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl
    • E03D11/08Bowls with means producing a flushing water swirl
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03DWATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D2201/00Details and methods of use for water closets and urinals not otherwise provided for
    • E03D2201/30Water injection in siphon for enhancing flushing

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Sanitary Device For Flush Toilet (AREA)
EP25198543.8A 2024-08-30 2025-08-27 Toilettes à chasse d'eau Pending EP4707480A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2024149849A JP2026045755A (ja) 2024-08-30 2024-08-30 水洗大便器装置

Publications (1)

Publication Number Publication Date
EP4707480A1 true EP4707480A1 (fr) 2026-03-11

Family

ID=96809796

Family Applications (1)

Application Number Title Priority Date Filing Date
EP25198543.8A Pending EP4707480A1 (fr) 2024-08-30 2025-08-27 Toilettes à chasse d'eau

Country Status (4)

Country Link
US (1) US20260062909A1 (fr)
EP (1) EP4707480A1 (fr)
JP (1) JP2026045755A (fr)
CN (1) CN121630006A (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR707771A (fr) * 1930-03-24 1931-07-15 Havard Freres Cuvette de w. c.
US4310934A (en) * 1979-11-01 1982-01-19 Arnold Hennessy Water-conserving toilet
US6470505B1 (en) * 1999-02-22 2002-10-29 Perfecteau Llp Water efficient toilet
JP2018003250A (ja) 2016-06-27 2018-01-11 Toto株式会社 水洗大便器
US20200208387A1 (en) * 2018-12-28 2020-07-02 Shanghai Kohler Electronics, Ltd. Flushing assembly, water supply assembly, lower position water suction assembly, water tank, check valve for use in a toilet, and method, device, and storage medium for controlling toilet water consumption

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR707771A (fr) * 1930-03-24 1931-07-15 Havard Freres Cuvette de w. c.
US4310934A (en) * 1979-11-01 1982-01-19 Arnold Hennessy Water-conserving toilet
US6470505B1 (en) * 1999-02-22 2002-10-29 Perfecteau Llp Water efficient toilet
JP2018003250A (ja) 2016-06-27 2018-01-11 Toto株式会社 水洗大便器
US20200208387A1 (en) * 2018-12-28 2020-07-02 Shanghai Kohler Electronics, Ltd. Flushing assembly, water supply assembly, lower position water suction assembly, water tank, check valve for use in a toilet, and method, device, and storage medium for controlling toilet water consumption

Also Published As

Publication number Publication date
JP2026045755A (ja) 2026-03-13
CN121630006A (zh) 2026-03-10
US20260062909A1 (en) 2026-03-05

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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