EP3757301A1 - Régulateur de jet - Google Patents

Régulateur de jet Download PDF

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Publication number
EP3757301A1
EP3757301A1 EP20181851.5A EP20181851A EP3757301A1 EP 3757301 A1 EP3757301 A1 EP 3757301A1 EP 20181851 A EP20181851 A EP 20181851A EP 3757301 A1 EP3757301 A1 EP 3757301A1
Authority
EP
European Patent Office
Prior art keywords
jet regulator
water
flow path
flow
fitting
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
EP20181851.5A
Other languages
German (de)
English (en)
Other versions
EP3757301B1 (fr
EP3757301C0 (fr
Inventor
Manuel Keel
Reto Berger
Andreas Rueegg
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.)
KWC Group AG
Original Assignee
KWC 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 KWC AG filed Critical KWC AG
Publication of EP3757301A1 publication Critical patent/EP3757301A1/fr
Application granted granted Critical
Publication of EP3757301B1 publication Critical patent/EP3757301B1/fr
Publication of EP3757301C0 publication Critical patent/EP3757301C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/08—Jet regulators or jet guides, e.g. anti-splash devices
    • E03C1/084—Jet regulators with aerating means
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E03C1/0411—Taps specially designed for dispensing boiling water
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/08—Jet regulators or jet guides, e.g. anti-splash devices
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/08—Jet regulators or jet guides, e.g. anti-splash devices
    • E03C1/086—Jet regulators or jet guides, easily mountable on the outlet of taps
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C2201/00—Details, devices or methods not otherwise provided for
    • E03C2201/40—Arrangement of water treatment devices in domestic plumbing installations
    • E03C2201/45—Arrangement of water treatment devices in domestic plumbing installations for carbonated water

Definitions

  • the present invention relates to a jet regulator for a fitting.
  • a jet regulator is attached to the outlet of a faucet and is used to shape the water jet. It is therefore largely responsible for the perceptible properties of the exiting water jet and is intended, among other things, to prevent splashing when the water jet emerges.
  • Faucets that can also dispense boiling water in addition to normal mixed water (hot / cold) are known on the market.
  • boiling hot water is kept under pressure in a hot water heater and can be dispensed via the fitting.
  • the boiling hot water relaxes so that the water ideally comes out bubbling and boiling.
  • the gas (water vapor) that is created when the boiling water is released leads to the water jet emerging unevenly and with strong splashing. This cannot be prevented with conventional aerators.
  • the temperature of the water must be lowered, which in turn is undesirable in a fitting for providing boiling hot water.
  • One object of the invention is therefore to provide a jet regulator which is suitable for dispensing boiling water.
  • a jet regulator for a fitting for dispensing boiling water which has a substantially cylindrical housing with an inlet opening and an outlet opening
  • the jet regulator according to the invention can be constructed in a particularly compact manner.
  • the jet regulator according to the invention can with an outside diameter of just 11 to 13 mm. This makes it possible in particular to use the jet regulator as an inner jet regulator in a concentric arrangement of a multifunctional fitting, in which a further, separate water outlet opening, for example for service or mixed water, can be arranged around the inner jet regulator in an outer ring.
  • the jet regulator has a laminar jet regulator section which is arranged in the area of the outlet opening and is designed to output the water flow as a laminar jet.
  • a laminar jet regulator which can be used here in combination with the explained cyclone design, is well known for conventional fittings.
  • Such a laminar jet regulator section can be formed, for example, by a plurality of flow channels arranged next to one another and running in the axial direction. The laminar water jet flows out through this outlet-side section without noticeable pressure, so that the water does not splash.
  • Other designs for a laminar jet regulator such as a grid or sieve arrangement, perforated disk arrangement or the like, can equally be considered for the laminar jet regulator section
  • the guide section has a plurality of longitudinal ribs which are arranged on the inner wall of the housing and preferably widen in their radial extent in the direction of flow.
  • the relaxation zone is preferably designed as a free zone in which the rotationally accelerated water flow can flow along the inner wall of the housing under the effect of centrifugal force. It is of course also possible for the ribs mentioned to extend from the subsequent guide section, with their radial extension further narrowing, into the relaxation zone. In this case, the water flow would not be able to flow completely along the inner wall of the housing and would be slowed down slightly in the expansion zone in the edge area - the function of the jet regulator and, above all, the A relaxation zone, in which a cyclonic flow can develop, would, however, still exist.
  • a gas discharge pipe opens into the free zone of the jet regulator. Through this, the gas / water vapor escaping when the boiling water is under pressure can be discharged in a targeted manner.
  • the gas discharge pipe can for example run in the axial direction through the center of the jet regulator to the outlet opening, so that the resulting water vapor emerges axially in the area of the outlet opening of the jet regulator, while the water jet flows out in an outer ring area of the outlet opening.
  • the gas discharge pipe can also run transversely through the expansion zone up to the housing inner wall and from there in the axial direction up to the outlet direction.
  • the water vapor is output in an edge area of the jet regulator.
  • the resulting water vapor is thus initially (with or without an axial gas discharge pipe) directed upwards against the flow direction of the water jet and from there on the edge of the jet regulator to its outlet opening.
  • the swirl generation section can be formed by at least one essentially helical flow channel.
  • the water flow When flowing through the helical flow channel, the water flow is accelerated rotationally. The relaxation takes place when exiting the swirl generation section. Due to the twist in the water flow created by the helical shape, a cyclonic flow arises in the area of the inner wall of the jet regulator, while the resulting gas is pressed inwards.
  • the swirl generating section can also be formed by a plurality of helically extending guide vanes. A cyclonic flow of the water jet can be generated by this in a similar manner.
  • the jet regulator described above is used in a fitting for dispensing boiling water and / or water containing CO 2 .
  • the jet regulator can be used in fittings with different water dispensing functions - so-called functional water.
  • Via such a fitting for example, normal mixed water, boiling water, CO 2 -enriched water or filtered, chilled water, optionally also water enriched with aromatic additives, can be dispensed electronically.
  • the present invention relates to a fitting for dispensing boiling water and / or water containing CO 2 with an outlet and a mouthpiece arranged at the outlet, a jet regulator of the type according to the invention being inserted into the mouthpiece.
  • the fitting can be designed for the optional output of boiling water and mixed water, the outlet having an inner flow path for the boiling water and an outer flow path concentrically running around the inner flow path, and in which the mouthpiece is the first, inner one
  • the jet regulator accommodates a jet regulator of the type according to the invention in such a way that it is in fluid-conducting and, with respect to the outer flow path, tightly connected to the inner flow path.
  • boiling water can flow out of the inner flow path through the jet regulator according to the invention, while mixed water is passed through the outer flow path and exits in an annular area around the inner jet regulator.
  • the mouthpiece can in particular have an outer, second jet regulator concentrically around the inner, first jet regulator, which is arranged in a ring around the first jet regulator and which is in fluid-conducting and sealed connection with the outer flow path with respect to the inner flow path. It is particularly advantageous here if the inner, first jet regulator protrudes downward beyond the outer, second jet regulator, for example by an overhang of 2 to 6 mm. This constructive measure ensures that no boiling water can get from the inner flow path into the outer flow path and remain there. There is therefore no risk of a user being scalded when dispensing normal mixed water if boiling water was drawn off shortly beforehand.
  • the flow paths for service water and boiling water can also be arranged side by side. This results in a double outlet with two parallel flow paths.
  • the in Figure 1 The jet regulator 1 shown comprises a cylindrical housing 2 with an inlet opening 3 and an outlet opening 4. In the area of the inlet opening 3 there is a collar 5, which is used to mount the jet regulator 1. In the area of the outlet opening 4, a laminar jet regulator section 10 can be seen in the form of a grid-like arrangement.
  • the internal structure of the jet regulator 1 is shown in more detail in the sectional view of FIG.
  • a swirl generation section 7 with a total of four, in the form of a multi-thread helix, arranged, helically extending flow channels 7a, 7b, 7c, 7d, each by 180 °, i.e. half a thread, along the inner wall of the cylindrical Jet regulator housing 2 run.
  • the inlet opening is closed in the area of the swirl generation section 7, so that the water flow has to flow through the four flow channels 7a to 7d and is accelerated rotationally in the process.
  • a free zone 8 At the outlet of the helical flow channels 7a, 7b, 7c, 7d, there is a free zone 8 inside the cylindrical housing 2.
  • the free zone 8 is followed in the axial direction by a guide section 9 in which the rotational movement of the water flow is braked and this is guided in the longitudinal direction.
  • the guide zone 9 is characterized by a plurality of longitudinal ribs 9a arranged on the inner wall of the housing, which extend in the radial direction and whose width, measured in the radial direction, increases in the axial direction towards the outlet opening 4.
  • the longitudinal ribs 9a thus represent represent an increasing obstacle in the axial direction for the rotational movement of the water flow, whereby it is slowed down and guided in the longitudinal direction.
  • the longitudinal ribs 9a end at an annular connecting web 9b, which leaves an inner area free and encloses it. This inner area serves to ensure that the water gas formed in the free zone 8 and pressed inward can escape downward in the direction of the outlet opening 4.
  • the water flow directed in the longitudinal direction by the guide section 9 flows through the annular space between the annular connecting piece 9b and the inner wall of the housing.
  • the guide section is followed by the laminar jet regulator section 10, which has a plurality of flow channels 10a running in the axial direction, which are separated from one another by separating webs 10b running radially and circularly.
  • the water flow runs through the radially seen outer flow channels 10a, while the pressurized water gas / steam emerges mainly through a centrally running channel 10c.
  • the jet regulator 1 has a swirl generating section 7 with several helical flow channels 7a to 7d and a free zone 8 adjacent to the swirl generating section 7 in which the pressurized liquid expands.
  • the guide section 9 with the longitudinal ribs 9a adjoins the free zone 8, as well as the laminar jet regulator section 10 with its axially Direction running flow channels 10a.
  • a gas discharge pipe 11 is additionally provided, which opens into the free zone 8. Through this gas discharge pipe 11, which runs centrally in the axial direction up to the outlet opening 4, escaping gas / vapor can be discharged in a controlled manner in the free zone.
  • the separated gas can be discharged more quickly via the gas discharge pipe and the large increase in volume as the water evaporates can thereby be discharged very efficiently without accelerating the fluid. This reduces splashing of water, which could possibly be ejected together with the gas escaping under pressure.
  • a third embodiment is shown, in which, in contrast to the second embodiment, the gas discharge pipe opening into the free zone 8 branches into three sub-pipes 11a, 11b, 11c, which run across the free zone 8 to the housing inner wall and from there along the housing inner wall in extend in the axial direction up to the outlet opening 4.
  • the pressurized gas is not ejected centrally from the outlet opening 4 of the jet regulator, but rather through three separate gas outlet openings arranged in the edge region of the jet regulator.
  • FIG. 7 and 8 a fourth embodiment shown.
  • the otherwise cylindrical housing 2 has a stepped shape, with an upper, enlarged diameter area 2a that extends tapered in a step 2b.
  • the step shape serves to mount the jet regulator 1.
  • FIG. 9 An embodiment of a multifunctional fitting is shown in Figure 9 reproduced.
  • the fitting 20 shown there has a fitting body 21 with an integrated mixing valve, which is operated via an operating lever 22 in the manner of a single-lever mixer attached to the side of the fitting body 21 in order to dispense cold, warm or mixed water.
  • the outlet 24 which extends in an arc shape up to a mouth piece 25. Both mixed water and “functional water” such as some boiling water or CO 2 -enriched water are output via the outlet 24.
  • the outlet has two coaxially arranged flow paths 26, 27, namely as in FIG Figure 10 shown an inner flow path 26 for "functional water” and an outer flow path 27 for normal service or mixed water.
  • the inner flow path 26 is formed by an inner tube or hose 28 running inside the outlet 24.
  • Two jet regulators 1, 29 are used concentrically in the mouthpiece 25.
  • the inner jet regulator 1 is connected in a fluid-conducting manner to the first flow path 26 or the inner tube 28.
  • the connection 30 between the inner tube 28 and the jet regulator 1 can be implemented here, for example, by a screw connection or a crimped connection.
  • the inner jet regulator 1 is shown only schematically, but is provided with a swirl generating section 7, a relaxation zone 8 and a guide section 9 in the previously explained design.
  • the inner one stands Jet regulator 1 a few millimeters downwards beyond the mouthpiece 25. In this way, it is prevented that boiling water from the inner flow path 26 gets into the outer flow path 27 and could remain there. There is therefore no risk of scalding if a user wants to wash his hands, for example after drawing off boiling water with mixed water.

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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)
  • Nozzles (AREA)
EP20181851.5A 2019-06-27 2020-06-24 Régulateur de jet Active EP3757301B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019117381.7A DE102019117381A1 (de) 2019-06-27 2019-06-27 Strahlregler

Publications (3)

Publication Number Publication Date
EP3757301A1 true EP3757301A1 (fr) 2020-12-30
EP3757301B1 EP3757301B1 (fr) 2023-06-07
EP3757301C0 EP3757301C0 (fr) 2023-06-07

Family

ID=71138657

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20181851.5A Active EP3757301B1 (fr) 2019-06-27 2020-06-24 Régulateur de jet

Country Status (5)

Country Link
US (1) US11851860B2 (fr)
EP (1) EP3757301B1 (fr)
CN (1) CN112144612B (fr)
AU (1) AU2020203789A1 (fr)
DE (1) DE102019117381A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108543430B (zh) * 2018-07-02 2024-02-02 厦门松霖科技股份有限公司 出水装置
USD906478S1 (en) * 2019-03-08 2020-12-29 Neoperl Gmbh Faucet stream straightener
DE102020108555A1 (de) 2020-03-27 2021-09-30 Grohe Ag Auslaufelement für eine Trinkwasserzapfanlage
USD968566S1 (en) 2021-04-06 2022-11-01 Neoperl Gmbh Faucet stream straightener
CN113601253B (zh) * 2021-07-07 2022-11-11 南京信息职业技术学院 一种构建持续立体冷却区域的降温装置和使用方法
US20230392357A1 (en) * 2022-06-02 2023-12-07 Dynamo Aviation, Inc. Contamination guard for water faucet

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR813415A (fr) * 1935-09-17 1937-06-01 Junkers & Co Ajutage d'écoulement pour chauffe-liquide
DE3828111A1 (de) * 1988-08-18 1990-02-22 Broeker Ernst H Armatur zum anschluss an uebliche druckwasserleitungen in haushalten, baedern, hotels oder dergleichen
EP0429068A1 (fr) * 1989-11-21 1991-05-29 Toto Ltd. Bouche d'écoulement d'eau gazeuse
DE102014001818A1 (de) * 2014-02-13 2015-08-13 Grohe Ag Anschlussstück für einen Auslauf einer Sanitärarmatur

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US3275248A (en) * 1964-08-07 1966-09-27 Spraying Systems Co Modified full cone nozzle
US3920187A (en) * 1974-05-24 1975-11-18 Porta Test Mfg Spray head
US4077545A (en) * 1976-09-22 1978-03-07 Emerson Electric Co. Instant hot water dispensing system
CH657403A5 (de) * 1981-08-21 1986-08-29 Karrer Weber & Cie Ag Auslaufvorrichtung an einer sanitaerarmatur fuer kalt- und warmwasser.
DE102005010551B4 (de) * 2005-03-04 2007-05-16 Neoperl Gmbh Sanitäre Funktionseinheit
CN101082221A (zh) * 2006-05-31 2007-12-05 卫凯宏 节水洁具
DE102010012326B4 (de) * 2010-03-23 2015-10-01 Neoperl Gmbh Strahlregler
US9328491B2 (en) * 2010-03-31 2016-05-03 Toto Ltd. Water spouting device
DE202013000860U1 (de) * 2013-01-29 2014-05-05 Neoperl Gmbh Sanitäres Einbauteil und Komponente einer Sanitärarmatur
DE202013002283U1 (de) * 2013-03-11 2014-06-12 Neoperl Gmbh Zerstäuberdüse für einen sanitären Wasserauslauf sowie sanitäre Auslautarmatur mit einem Wasserauslauf
DE102017001151B4 (de) * 2017-02-08 2022-07-28 Carbotek Systems GmbH Schankanlage, Zapfhahn dafür, sowie Verfahren zur Herstellung nitrogenisierten Kaffees oder Biers
CN207553225U (zh) * 2017-12-12 2018-06-29 陈燕 具有消声结构的下水器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR813415A (fr) * 1935-09-17 1937-06-01 Junkers & Co Ajutage d'écoulement pour chauffe-liquide
DE3828111A1 (de) * 1988-08-18 1990-02-22 Broeker Ernst H Armatur zum anschluss an uebliche druckwasserleitungen in haushalten, baedern, hotels oder dergleichen
EP0429068A1 (fr) * 1989-11-21 1991-05-29 Toto Ltd. Bouche d'écoulement d'eau gazeuse
DE102014001818A1 (de) * 2014-02-13 2015-08-13 Grohe Ag Anschlussstück für einen Auslauf einer Sanitärarmatur

Also Published As

Publication number Publication date
US20200407955A1 (en) 2020-12-31
EP3757301B1 (fr) 2023-06-07
CN112144612B (zh) 2022-02-18
EP3757301C0 (fr) 2023-06-07
AU2020203789A1 (en) 2021-01-21
DE102019117381A1 (de) 2020-12-31
US11851860B2 (en) 2023-12-26
CN112144612A (zh) 2020-12-29

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