EP2229487B2 - Hot water faucet with insulated outlet - Google Patents

Hot water faucet with insulated outlet Download PDF

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Publication number
EP2229487B2
EP2229487B2 EP07856770.8A EP07856770A EP2229487B2 EP 2229487 B2 EP2229487 B2 EP 2229487B2 EP 07856770 A EP07856770 A EP 07856770A EP 2229487 B2 EP2229487 B2 EP 2229487B2
Authority
EP
European Patent Office
Prior art keywords
outlet
water
hot water
water channel
hose
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
EP07856770.8A
Other languages
German (de)
French (fr)
Other versions
EP2229487A1 (en
EP2229487B1 (en
Inventor
Werner Gnauert
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.)
Grohe AG
Original Assignee
Grohe 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39512686&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2229487(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Grohe AG filed Critical Grohe AG
Publication of EP2229487A1 publication Critical patent/EP2229487A1/en
Application granted granted Critical
Publication of EP2229487B1 publication Critical patent/EP2229487B1/en
Publication of EP2229487B2 publication Critical patent/EP2229487B2/en
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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
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E03C1/0404—Constructional or functional features of the spout
    • 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
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E03C2001/0414—Water-basin installations specially adapted to wash-basins or baths allowing different orientations of the spout or the outlet nozzle

Definitions

  • the invention relates to a hot water fitting for tapping water at a temperature of more than 60° C., with an outlet that can be rotated about a vertical axis, which comprises an outer shell surrounding a water duct and has a shut-off valve, the water duct being connected to an outlet opening of the shut-off valve, in which the water duct in the outlet is arranged at a distance from the outer shell, with an insulating layer of air being enclosed in the space between the water duct and the outer shell of the outlet.
  • This means that the water flow is thermally decoupled from the outer shell of the spout so that there can be no heat transfer due to heat conduction.

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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)
  • Domestic Plumbing Installations (AREA)

Description

Die Erfindung betrifft eine Heißwasserarmatur zum Zapfen von Wasser mit einer Temperatur von über 60° gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a hot water fitting for tapping water at a temperature of over 60° according to the preamble of patent claim 1.

Neben Mischwasser- und Thermostatarmaturen sind Heißwasserarmaturen bekannt, die insbesondere kleine Mengen von Wasser oder Wasserdampf mit Temperaturen bis zu 110 ° C abgeben. Die letztgenannten kommen vor allem in Küchen zum Einsatz, wo heißes oder kochendes Wasser speziell in kleinen Mengen zum Brühen von Tee, Kaffee, Pochieren oder ähnlichem verwendet wird. Da aufgrund der hohen Temperaturen die Gefahr von Verbrühungen besteht, ist es erforderlich derartige Armaturen mit bestimmten Sicherungseinrichtungen zu versehen.In addition to mixed water and thermostatic fittings, hot water fittings are known which in particular release small amounts of water or steam at temperatures of up to 110.degree. The latter are mainly used in kitchens where hot or boiling water is used, especially in small quantities, for brewing tea, coffee, poaching or the like. Since there is a risk of scalding due to the high temperatures, it is necessary to provide such fittings with certain safety devices.

Da gerade in Küchen der Auslauf oft beim Füllen eines Gefäßes gedreht und somit angefasst wird, besteht gerade beim Zapfen von heißem Wasser die Gefahr, sich beim Berühren des Auslaufs zu verbrennen.Since the spout in kitchens is often turned when filling a vessel and thus touched, there is a risk of burning yourself when touching the spout, especially when drawing off hot water.

Aus der EP 0 792 970 A1 ist beispielsweise eine Heißwasserarmatur bekannt, welche die Merkmale des Oberbegriffs des Anspruchs 1 aufweist und deren Auslauf mit einem wärmeisolierenden Material ausgekleidet ist.From the EP 0 792 970 A1 a hot water fitting is known, for example, which has the features of the preamble of claim 1 and whose outlet is lined with a heat-insulating material.

Aus der JP-A-10-292453 ist ferner eine drehbare Sanitärarmatur mit einem innengeführten Kunststoffschlauch bekannt, wobei der Kunststoff eine niedrige thermische Leitfähigkeit aufweist.From the JP-A-10-292453 a rotatable sanitary fitting with an internally guided plastic hose is also known, the plastic having a low thermal conductivity.

Aufgabe der Erfindung ist es, eine Heißwasserarmatur bereitzustellen, bei der auch bei hohen Wassertemperaturen keine Gefahr von Verbrennungen beim Berühren besteht.The object of the invention is to provide a hot water fitting in which there is no risk of burns when touched, even at high water temperatures.

Diese Aufgabe wird von einer Heißwasserarmatur mit den Merkmalen des Patentanspruchs 1 erfüllt. Eine vorteilhafte Weiterbildung ist Gegenstand des Anspruchs 2.This task is fulfilled by a hot water faucet with the features of patent claim 1 . An advantageous development is the subject of claim 2.

Mit der Erfindung wird eine Heißwasserarmatur zum Zapfen von Wasser mit einer Temperatur von über 60° C, mit einem um eine vertikale Achse drehbaren Auslauf, der eine eine Wasserführung umgebende Außenhülle umfasst und ein Absperrventil aufweist, wobei die Wasserführung mit einer Auslauföffnung des Absperrventils verbunden ist, bei der die Wasserführung im Auslauf mit Abstand zur Außenhülle angeordnet ist, wobei im Zwischenraum zwischen Wasserführung und Außenhülle des Auslaufs eine Isolierschicht aus Luft eingeschlossen ist. Damit ist die Wasserführung von der Außenhülle des Auslaufs thermisch entkoppelt, so dass es keinen Wärmeübergang aufgrund von Wärmeleitung geben kann.The invention relates to a hot water fitting for tapping water at a temperature of more than 60° C., with an outlet that can be rotated about a vertical axis, which comprises an outer shell surrounding a water duct and has a shut-off valve, the water duct being connected to an outlet opening of the shut-off valve, in which the water duct in the outlet is arranged at a distance from the outer shell, with an insulating layer of air being enclosed in the space between the water duct and the outer shell of the outlet. This means that the water flow is thermally decoupled from the outer shell of the spout so that there can be no heat transfer due to heat conduction.

Gemäß der Erfindung ist die Wasserführung dabei aus einem flexiblen Schlauch vorgesehen. Dies ermöglicht es, den Schlauch flexibel jeder Auslaufform anpassen zu können.According to the invention, the water supply is provided from a flexible hose. This makes it possible to flexibly adapt the hose to any outlet shape.

Erfindungsgemäß besteht der Schlauch aus einem Silikon, Polysiloxan oder Polyterafluoretylen (PTFE oder Teflon). Zur Verstärkung des Schlauchs kann zusätzlich eine Ummantelung aus Edelstahl oder Kunststoffgewebe angeordnet werden kann.According to the invention, the tube consists of a silicone, polysiloxane or polyterafluoroethylene (PTFE or Teflon). To reinforce the hose, a casing made of stainless steel or plastic fabric can also be arranged.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im Folgenden näher beschrieben. Es zeigt in den Zeichnungen

Figur 1
eine erfindungsgemäße Heißwasserarmatur im Schnitt;
Figur2
einen Schnitt durch Figur 1 entlang der Linie 2-2.
An embodiment of the invention is shown in the drawing and is described in more detail below. It shows in the drawings
figure 1
a hot water fitting according to the invention in section;
Figure2
a cut through figure 1 along line 2-2.

Figur 1 zeigt einen Schnitt durch eine Heißwasserarmatur zum Zapfen von Heißwasser. figure 1 shows a section through a hot water fitting for tapping hot water.

An einem Armaturenkörper 4 ist ein Auslauf 6 über einen Einsatz 5 drehbar befestigt. Von einem Heißwasserbereiter oder Boiler (nicht dargestellt) führt eine Wasserzuleitung 1 zu einer Wassereinlassöffnung eines Absperrventils 2. Von der Wasserauslassöffnung des Absperrventils 2 ist wiederum eine Wasserführung 3 in Form eines flexiblen Schlauchs bis zum Strahlbildner 7 am Ende des Auslaufs 6 angeordnet.An outlet 6 is rotatably attached to a fitting body 4 via an insert 5 . A water supply line 1 leads from a hot water heater or boiler (not shown) to a water inlet opening of a shut-off valve 2. From the water outlet opening of the shut-off valve 2 there is in turn a water supply 3 in the form of a flexible hose to the jet generator 7 at the end of the outlet 6.

Figur 2 zeigt im Schnitt durch die Heißwasserarmatur aus Figur 1 einen Griff 9, der zur Betätigung des Absperrventils 2 vorgesehen ist. Die Griffhüllen derartiger Griffe 9 bestehen üblicherweise aus einem Kunststoffmaterial, so dass die Spindel des Absperrventils 2 ausreichend gegenüber dem Benutzer isoliert ist. figure 2 shows a section through the hot water tap figure 1 a handle 9 provided for actuating the shut-off valve 2. The grip sleeves of such grips 9 are usually made of a plastic material, so that the spindle of the shut-off valve 2 is sufficiently isolated from the user.

Als Befestigungseinrichtung 8 ist üblicherweise ein Gewindestange oder ähnliches mit zugehöriger Verschraubung vorgesehen, mittels derer die Heißwasserarmatur einer Armaturenbank oder Arbeitsplatte fixiert werden kann.A threaded rod or the like with an associated screw connection is usually provided as the fastening device 8, by means of which the hot water fitting can be fixed to a fitting bank or worktop.

Da der Auslauf 6 beim Verschwenken an vielen verschiedenen Stellen angefasst werden kann, ist es notwendig, über dessen gesamte Länge für eine ausreichende Wärmeisolierung zu sorgen. Daher ist der flexible Schlauch von der Befestigungsstelle des Auslaufs 6 bis zum Strahlbildner 7 bzw., dem Wasseraustritt mit Abstand zur Auslaufaußenhülle angeordnet, wodurch dieser von der Wasserführung 3 thermisch entkoppelt ist. Aufgrund der isolierenden Luftschicht zwischen Schlauch und Auslauf 6 kann es nicht zur direkten Wärmeübertragung kommen.Since the outlet 6 can be grasped at many different points when pivoting, it is necessary to ensure adequate heat insulation over its entire length. Therefore, the flexible hose from the attachment point of the outlet 6 to the jet generator 7 or the water outlet is arranged at a distance from the outer shell of the outlet, as a result of which it is thermally decoupled from the water supply 3 . Due to the insulating layer of air between the hose and the outlet 6, direct heat transfer cannot occur.

BezugszeichenlisteReference List

11
Wasserzuleitungwater supply line
22
Absperrventilshut-off valve
33
Wasserführungwater flow
44
Armaturenkörperfaucet body
55
Drehbarer EinsatzRotating insert
66
Auslaufoutlet
77
Strahlbildnerjet former
88th
Befestigungseinrichtungfastening device
99
GriffHandle

Claims (2)

  1. A hot water faucet for dispensing in particular small quantities of boiling water or steam at temperatures up to 110°C for brewing tea, coffee, poaching or similar in kitchens having
    - tapping temperatures of over 60° C,
    - a faucet body (4),
    - an outlet (6) which is pivotable about a vertical axis and which is pivot-mounted on the faucet body (4) by means of an insert (5),
    - having an outer envelope surrounding a water channel (3),
    - a check valve (2) arranged in the faucet body (4), wherein a water supply line (1) leads from a water heater or boiler to a water inlet opening of the check valve (2),
    - wherein the water channel (3) is connected to an outlet opening of the check valve (2) and the water channel (3) is arranged from the outlet opening to a jet former (7) on the end of the outlet (6),
    characterized in that
    - the water channel (3) is provided as a flexible hose and is arranged in the outlet (6) at a distance from the outer envelope, wherein an insulating layer of air is enclosed in the gap between the water channel (3) and the outer envelope of the outlet (6), and
    - the hose is produced from a silicone, polysiloxane or polytetrafluoroethylene.
  2. The faucet according to claim 1, characterized in that the hose has a sheathing made of stainless-steel or plastic mesh.
EP07856770.8A 2007-12-15 2007-12-15 Hot water faucet with insulated outlet Active EP2229487B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2007/011033 WO2009076981A1 (en) 2007-12-15 2007-12-15 Hot water faucet with insulated outlet

Publications (3)

Publication Number Publication Date
EP2229487A1 EP2229487A1 (en) 2010-09-22
EP2229487B1 EP2229487B1 (en) 2019-11-20
EP2229487B2 true EP2229487B2 (en) 2023-07-26

Family

ID=39512686

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07856770.8A Active EP2229487B2 (en) 2007-12-15 2007-12-15 Hot water faucet with insulated outlet

Country Status (3)

Country Link
EP (1) EP2229487B2 (en)
DK (1) DK2229487T3 (en)
WO (1) WO2009076981A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2787132A1 (en) * 2013-04-01 2014-10-08 Emerson Electric Co. Hot water dispenser faucet with thermal barrier
EP3228764B1 (en) 2016-04-04 2020-02-12 Hamat Sanitary Fitting And Casting Mixer water faucet
US10550946B2 (en) 2016-04-04 2020-02-04 Hamat Sanitary Fittings And Casting Ltd. Mixer water faucet
DE102022106361A1 (en) 2022-03-18 2023-09-21 Grohe Ag Plumbing fitting with a hose
USD1031934S1 (en) 2023-02-02 2024-06-18 InSinkErator LLC Faucet
USD1026175S1 (en) 2023-02-02 2024-05-07 InSinkErator LLC Faucet base

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994020784A1 (en) † 1993-03-05 1994-09-15 Sheringham Investments Pty. Ltd. Dispenser for hot and cold water
JPH08218457A (en) † 1995-02-09 1996-08-27 Phoenix:Kk Water feeder
EP0577164B1 (en) † 1992-06-02 1996-10-02 TELMA GUZZINI S.r.l. Double-control tap with selector
JP2000220175A (en) † 1999-01-29 2000-08-08 Toto Ltd Water plug device
JP2002121785A (en) † 2000-10-18 2002-04-26 San-Ei Faucet Mfg Co Ltd Water discharge pipe, and method of forming the same
GB2395899A (en) † 2002-12-02 2004-06-09 Michael Weir Instant boiling water tap
US6757921B2 (en) † 2002-07-16 2004-07-06 Kohler Co. Pull-out faucet
JP2005163458A (en) † 2003-12-04 2005-06-23 Haisaabu Ueno:Kk Hot water supply faucet

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2852629A1 (en) * 1978-12-06 1980-06-19 Grohe Kg Hans STATIONAL WATER OUTLET VALVE
DE3546715C2 (en) 1985-03-05 1995-01-05 Dornbracht Fa A Hand shower
DE19527232A1 (en) 1995-07-26 1997-01-30 Grohe Armaturen Friedrich Outlet fitting
NL1002478C2 (en) 1996-02-28 1997-08-29 Peteri B V Hot water tap.
JPH10292453A (en) 1997-04-18 1998-11-04 Toto Ltd Delivery pipe
DE19850839C2 (en) * 1998-11-04 2003-11-27 Wallisellen Ag Armaturen Swivel spout with a mixing valve
US7082966B2 (en) * 2004-12-15 2006-08-01 Lian-Jie Kuo Water-flow guide device of faucet
US7415991B2 (en) * 2005-12-20 2008-08-26 Masco Corporation Of Indiana Faucet spout with water isolating couplings

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0577164B1 (en) † 1992-06-02 1996-10-02 TELMA GUZZINI S.r.l. Double-control tap with selector
WO1994020784A1 (en) † 1993-03-05 1994-09-15 Sheringham Investments Pty. Ltd. Dispenser for hot and cold water
JPH08218457A (en) † 1995-02-09 1996-08-27 Phoenix:Kk Water feeder
JP2000220175A (en) † 1999-01-29 2000-08-08 Toto Ltd Water plug device
JP2002121785A (en) † 2000-10-18 2002-04-26 San-Ei Faucet Mfg Co Ltd Water discharge pipe, and method of forming the same
US6757921B2 (en) † 2002-07-16 2004-07-06 Kohler Co. Pull-out faucet
GB2395899A (en) † 2002-12-02 2004-06-09 Michael Weir Instant boiling water tap
JP2005163458A (en) † 2003-12-04 2005-06-23 Haisaabu Ueno:Kk Hot water supply faucet

Also Published As

Publication number Publication date
EP2229487A1 (en) 2010-09-22
EP2229487B1 (en) 2019-11-20
DK2229487T3 (en) 2020-02-24
WO2009076981A1 (en) 2009-06-25

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