EP1854926B1 - Ablaufgarnitur für einen Spülkasten - Google Patents

Ablaufgarnitur für einen Spülkasten Download PDF

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Publication number
EP1854926B1
EP1854926B1 EP06405197A EP06405197A EP1854926B1 EP 1854926 B1 EP1854926 B1 EP 1854926B1 EP 06405197 A EP06405197 A EP 06405197A EP 06405197 A EP06405197 A EP 06405197A EP 1854926 B1 EP1854926 B1 EP 1854926B1
Authority
EP
European Patent Office
Prior art keywords
overflow pipe
nozzle
drain fitting
separating nozzle
fitting according
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.)
Active
Application number
EP06405197A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1854926A1 (de
Inventor
Abdullah Oengören
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 SI200631439T priority Critical patent/SI1854926T1/sl
Priority to EP06405197A priority patent/EP1854926B1/de
Priority to PL06405197T priority patent/PL1854926T3/pl
Publication of EP1854926A1 publication Critical patent/EP1854926A1/de
Application granted granted Critical
Publication of EP1854926B1 publication Critical patent/EP1854926B1/de
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
    • 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

Definitions

  • the invention relates to a drain fitting for a cistern according to the preamble of claim 1.
  • a generic waste set is in the CH 676 263 A disclosed.
  • flushing can be triggered by lifting the overflow pipe.
  • the lifting of the overflow pipe is usually carried out with an actuating device having, for example, a button.
  • an actuating device having, for example, a button.
  • the water stored in the cistern passes through gravity through the outlet opening in a drain pipe and finally into a toilet bowl or urinal.
  • the purge is interrupted by the overflow pipe falling onto the valve seat.
  • Such a flushing process is associated with noises that have different causes.
  • the EP-A-0 086 176 discloses a drain fitting with a pneumatic flush release.
  • the outlet opening is closed by a body made of rubber-elastic material.
  • This body has an interior in which there is water and above it an air chamber.
  • Another air chamber is located above this body and this is connected to the air line. By introducing air into the further air chamber, the body is lifted from the outlet opening, thereby raising an overflow pipe connected to the body.
  • the overflow tube protrudes down out of the body.
  • the DE-C-241 504 discloses a drain fitting with an overflow tube having at a lower end a comparatively narrow drainage tube which projects into the outlet opening of the cistern.
  • the US-A-3,705,428 discloses a drain fitting with a fixed overflow pipe. For flushing a housing of the drain fitting is raised.
  • the AT-B-299 825 discloses a drain fitting with an overflow tube having at a lower end a guide body, which is intended to cause the overflow pipe remains raised after a flushing trigger until all the water has drained.
  • the invention has for its object to provide a drain fitting of the type mentioned, in which the flushing noise are further reduced.
  • the object of the invention is based on the finding that, after the triggering of a flush by a jam in the discharge pipe, water enters the overflow pipe from below and initially rises in the overflow pipe and then flows faster than the main flow as overflow flows down into the drain pipe.
  • a shear layer with turbulent vortex shedding forms between the main flow and the overflow flow.
  • These whirls generate strong pulsating pressures in the flushing system.
  • the pressure pulsations can couple with the air movements arising in the overflow pipe and cause an acoustic resonance in the overflow pipe. If such a coupling occurs, the noise level in the overflow pipe increases considerably.
  • the separation nozzle is formed sleeve-shaped. This allows a particularly simple and yet effective production of the separation nozzle.
  • a sleeve-shaped separating nozzle can for example be very easily arranged on a guide nozzle, which is located at the lower end of the overflow pipe.
  • the separation nozzle extends into a discharge pipe arranged downstream of the outlet opening.
  • a particularly effective noise reduction results when, according to a development of the invention, the separation nozzle has a length which is greater by a multiple than an inner diameter of the separation nozzle.
  • the shear layer between the main flow and the overflow flow and thus the formation of a turbulent vortex shedding can be particularly effectively avoided.
  • the separation nozzle is arranged concentrically to the overflow pipe and that a passage for the rinse water is provided between the separation nozzle and the overflow pipe.
  • the separation nozzle may be connected to the lower end of the overflow pipe.
  • the separation nozzle is a separate part and inserted from above into the overflow pipe.
  • valve tube has at its lower end a conically tapered guide nozzle and that the separation nozzle is seated in this guide nozzle. This allows a particularly simple and cost-effective production as well as assembly.
  • the separating nozzle is concentrically mounted in a discharge pipe.
  • the separating nozzle can be fastened by webs with a circumferential wall of the outlet pipe.
  • the separation nozzle can be formed, for example, on the outlet pipe.
  • the separation nozzle extends up into the mouth of the overflow pipe.
  • the separation nozzle preferably formed sleeve-shaped. Its outer diameter is smaller than the outer diameter of the overflow pipe at the lower end.
  • FIG. 1 shows an inventive gowngarnitur 1, which is fixed in a conventional manner in an opening 23 of a cistern 3. Of the known cistern 3 only one area of the bottom is shown here. It is designed in a known manner so that it can absorb water 26 up to a level 22.
  • An overflow pipe 11 has at an upper end an inlet opening 9, which is above the level 22 of the water 26.
  • the overflow pipe 11 is liftably mounted in a housing 2 and has a known float 12.
  • a sealing element 4 is lifted from a valve seat 13, so that water 26 through the open valve according to the FIG. 2 can drain.
  • the water 26 in this case flows through lateral openings 7 of the housing 2 in an outlet connection 8 and finally through a discharge pipe 10 in the rinsing and not shown sanitary article.
  • FIG. 6 shows a cistern according to the prior art, wherein the overflow pipe 11 is lifted and thus the valve is open.
  • a water column 20 has formed shortly after the Spülausaims in the overflow pipe 11.
  • the water of this water column 20 flows according to the arrow 16 downwards and faster than the main flow.
  • a shear layer S is formed, which is indicated by two lines and according to the double arrow 21 has an inner diameter.
  • This shear layer S is essentially approximately circular cylindrical and extends approximately coaxially to the outlet connection 8.
  • turbulent vortex separations form, which generate pulsating pressures in the flushing system. This causes an acoustic resonance in the overflow pipe 11 and leads to noises, in particular gurgling noises.
  • a separation nozzle 6 is arranged, which has a continuous inner channel 25.
  • the separation nozzle 6 has substantially the shape of a circular cylindrical cross-section sleeve, which extends from a guide nozzle 5 downwards.
  • the separation nozzle 6 is inserted from above into the overflow pipe 11 and held with hook-shaped holding means 24 in the guide nozzle 5. These holding means 24 are formed so that between the separating nozzle 6 and the guide nozzle 5 more passages 27 are made, as the FIG. 1 shows.
  • the separation nozzle 6 is movably held in the guide nozzle 5 in this embodiment.
  • the guide nozzle 6a is secured to the frame by a plurality of laterally projecting webs 28 Guiding nozzle 5 connected.
  • the separation nozzle 6 has according to FIG. 2 a diameter D and a length L, wherein the length L is substantially larger and preferably larger by a multiple than the diameter.
  • FIG. 3 shows the flow conditions after a Spülaus treats and thus with raised overflow pipe 11.
  • the main flow is again indicated by arrows 15.
  • In the channel 29 of the overflow pipe 11 is water, which flows in the direction of arrow 16 and in addition in the directions of arrows 17 down from the overflow pipe 11.
  • the overflow flow has the consequence that FIG. 2 , in the direction of the arrows 14, air flows through the inlet opening 9 into the overflow pipe 11.
  • the separation nozzle 6 is located where previously according to FIG. 6 a shear layer S was present between the main flow and the overflow flow. The separation nozzle 6 thus prevents the formation of turbulent vortex shedding, which previously led to a noise.
  • a separation nozzle 6b is provided, which is secured via webs 18 coaxially in the outlet pipe 8 at this.
  • the separation nozzle 6b extends from the webs 18 upwards into the guide nozzle 5, as the FIG. 5 shows. Also, the separation nozzle 6b extends from the webs 18 down.
  • the water of the main flow passes on the outside of the separation nozzle 6b according to the arrows 19 down and is separated in the region of the separation nozzle 6b of the overflow, which flows according to arrow 16 through the channel of the separation nozzle 6b.
  • the separation nozzle 6b is located in a region in which otherwise the above-mentioned shear layer would form. When lifting the overflow pipe 11, however, the separation nozzle 6b remains in the position shown and is not raised.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sink And Installation For Waste Water (AREA)
EP06405197A 2006-05-11 2006-05-11 Ablaufgarnitur für einen Spülkasten Active EP1854926B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SI200631439T SI1854926T1 (sl) 2006-05-11 2006-05-11 Izpustna garnitura za izplakovalni kotliček
EP06405197A EP1854926B1 (de) 2006-05-11 2006-05-11 Ablaufgarnitur für einen Spülkasten
PL06405197T PL1854926T3 (pl) 2006-05-11 2006-05-11 Moduł spustowy spłuczki

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06405197A EP1854926B1 (de) 2006-05-11 2006-05-11 Ablaufgarnitur für einen Spülkasten

Publications (2)

Publication Number Publication Date
EP1854926A1 EP1854926A1 (de) 2007-11-14
EP1854926B1 true EP1854926B1 (de) 2012-07-18

Family

ID=37005324

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06405197A Active EP1854926B1 (de) 2006-05-11 2006-05-11 Ablaufgarnitur für einen Spülkasten

Country Status (3)

Country Link
EP (1) EP1854926B1 (sl)
PL (1) PL1854926T3 (sl)
SI (1) SI1854926T1 (sl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017212068A2 (de) 2016-06-10 2017-12-14 Tece Gmbh Ablaufventil

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2008299565B2 (en) * 2007-09-10 2014-06-19 Caroma Industries Limited A cistern
EP2489793B1 (de) 2011-02-16 2017-08-30 Geberit International AG Spülkastenanordnung
ES2675801T3 (es) 2011-03-30 2018-07-12 Geberit International Ag Válvula de drenaje para una cisterna
EP2765249B1 (de) * 2013-02-07 2018-01-03 Geberit International AG Ablaufgarnitur für einen Spülkasten
WO2015172042A1 (en) * 2014-05-09 2015-11-12 Mansfield Plumbing Products, Llc Multi-stage toilet flush valve
DE102015112911A1 (de) * 2015-08-05 2017-02-09 Mepa-Pauli Und Menden Gmbh Spülkastenanordnung mit veränderbarem Spülstrom
EP3138970B1 (de) * 2015-09-01 2020-05-13 Geberit International AG Spülvorrichtung
EP4095322A1 (en) * 2021-05-25 2022-11-30 Kohler (China) Investment Co. Ltd. Drain valve

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE241504C (sl) *
AT299825B (de) * 1969-07-28 1972-07-10 Jonak & Co Gmbh Entleerungsventil für Behälter, insbesondere Spülbecken
US3705428A (en) * 1971-05-24 1972-12-12 James W Braswell Flushing apparatus
IT1150380B (it) * 1982-02-01 1986-12-10 Vincenzo Brugnoli Sciacquone per il lavaggio del water-closed

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017212068A2 (de) 2016-06-10 2017-12-14 Tece Gmbh Ablaufventil
DE102016110694A1 (de) 2016-06-10 2017-12-14 Tece Gmbh Ablaufventil
WO2017212068A3 (de) * 2016-06-10 2018-02-01 Tece Gmbh Ablaufventil
CN109937280A (zh) * 2016-06-10 2019-06-25 帝希有限公司 排水阀

Also Published As

Publication number Publication date
EP1854926A1 (de) 2007-11-14
PL1854926T3 (pl) 2012-12-31
SI1854926T1 (sl) 2012-11-30

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