EP0441151A1 - Robinet avec protection contre le reflux d'eau - Google Patents

Robinet avec protection contre le reflux d'eau Download PDF

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Publication number
EP0441151A1
EP0441151A1 EP19910100638 EP91100638A EP0441151A1 EP 0441151 A1 EP0441151 A1 EP 0441151A1 EP 19910100638 EP19910100638 EP 19910100638 EP 91100638 A EP91100638 A EP 91100638A EP 0441151 A1 EP0441151 A1 EP 0441151A1
Authority
EP
European Patent Office
Prior art keywords
valve
water
opening
water tap
line
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
EP19910100638
Other languages
German (de)
English (en)
Other versions
EP0441151B1 (fr
Inventor
Werner Gnauert
Hans-Jürgen Jensen
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 Water Technology AG and Co KG
Original Assignee
Friedrich Grohe Armaturenfabrik GmbH and Co
Friedrich 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
Priority claimed from DE19904003353 external-priority patent/DE4003353A1/de
Priority claimed from DE19904014968 external-priority patent/DE4014968A1/de
Application filed by Friedrich Grohe Armaturenfabrik GmbH and Co, Friedrich Grohe AG filed Critical Friedrich Grohe Armaturenfabrik GmbH and Co
Publication of EP0441151A1 publication Critical patent/EP0441151A1/fr
Application granted granted Critical
Publication of EP0441151B1 publication Critical patent/EP0441151B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • E03C1/102—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves using an air gap device
    • 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
    • E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • E03C1/106—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves using two or more check valves
    • 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
    • E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • E03C1/108—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves having an aerating valve
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/3149—Back flow prevention by vacuum breaking [e.g., anti-siphon devices]
    • Y10T137/3185—Air vent in liquid flow line
    • Y10T137/3294—Valved
    • Y10T137/3331—With co-acting valve in liquid flow path
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/5762—With leakage or drip collecting

Definitions

  • the invention relates to a water tap, in particular for wash basins and / or sinks, with a housing that can be connected to the supply line network and a water outlet designed as a pull-out hose shower, wherein a ventilation device is provided to prevent the suction of process water back through the hose shower.
  • a ventilation device is known from the document DE 36 03 503 A1.
  • This ventilation device is integrated above the wash and sink in the housing of the water tap valve, so that the housing is to be made correspondingly large.
  • ventilation devices are not mandatory in different countries, so that for example for reasons of price, the outlet fitting is to be offered with and without a ventilation device.
  • the invention has for its object to provide a reliable-acting ventilation device which can be installed essentially independently of the water tap, in particular under the washstand or sink.
  • At least one interrupter valve is provided in the line for the water outlet, the valve closure member is movably arranged in a valve housing between two opposing valve seats, one valve seat opening to the atmosphere and the other valve seat the inflow opening for the outflowing water encloses, while the outlet opening for the water outlet is provided outside the valve seats in the valve housing, the valve closure member being tightened against the valve seat with the inlet opening with a certain force such that it bears against the outlet pipe at least at atmospheric pressure.
  • the ventilation device consisting essentially of an interrupter valve can be installed independently of the highest possible water level in the sink or sink, in particular also below the sink or sink.
  • the interrupter valve is designed as a two-way valve, wherein the valve closure member closes the ventilation opening at a line pressure above atmospheric pressure and releases the water passage to the water outlet, while at an atmospheric pressure in the line the valve closure member, for example with the aid of a spring, is taut from the opening to the atmosphere in the direction of the valve seat with the inflow opening and closes the inflow opening.
  • this prevents water from flowing back in the direction of the water tap valve and, on the other hand, aerates the rest of the hose line to the hose shower via the opening to the atmosphere. With the device, an unwanted sucking back of process water can therefore be avoided with great certainty.
  • Further advantageous embodiments of the invention are specified in claims 2 to 13.
  • a sink 10 is formed, a nozzle 2 being attached to the table.
  • the nozzle 2 is supplied with cold and hot water from the supply line network via the connecting lines 21, 22.
  • an actuating handle 23 which can be set in two degrees of freedom, tempered mixed water can be produced in the dispensing valve 2.
  • the mixing ratio or the mixed water temperature can be set, for example, by an actuating movement in the first degree of freedom, while the total water flow rate can be set in the second degree of freedom with the actuating handle 23.
  • the mixed water generated in the dispensing valve 2 is fed via the outlet pipe 24, the hose line 25, the hose shower 26 to the water outlet 261 designed as a shower base.
  • the interrupter valve 3 is formed twice in succession in a housing 31, the housing 31 being arranged in a box 4 in which a connection 41 for a line 43 to the sewer 11 of the sink 1 is provided in the bottom region is. On the side wall of the box 4, above the connection 41, an opening 42 is provided for ventilation and a possible overflow of leak water.
  • the housing 31 is fixed in the box 4 with a socket, in which the connection openings 36 and 37 are formed.
  • the connection opening 36 is formed perpendicularly and is used to connect to the outlet pipe 24 of the nozzle 2.
  • a two-way valve Downstream of the connection opening 36, a two-way valve is arranged as a structural unit in a bore.
  • the two-way valve is one as a ball formed valve closure member 32 is provided which is movable between two valve seats 33, 34 arranged vertically one above the other.
  • the valve seat 33 In the valve seat 33, the inflow opening for the mixed water generated in the nozzle 2 is formed, while the valve seat 34 has an opening to the atmosphere.
  • outlet openings 38 are formed in the lateral surface between the two valve seats 33, 34.
  • An identically identical interrupter valve 3 is arranged downstream of the upstream valve 3, an angular channel being formed in the valve housing 31, which connects the outlet opening 38 of the upstream valve to the inlet opening of the valve seat 33 of the downstream valve.
  • a spring 35 is provided, with which the valve closure member 32 is tightened against the valve seat 33.
  • the force of the spring 35 is dimensioned such that at least at a pressure in the connection opening 36, which corresponds to the pressure of the external atmosphere, the valve closure member 32 is pressed into its closed position on the valve seat 33.
  • the ventilation device has the following mode of operation:
  • tempered mixed water is generated in the nozzle 2, which is supplied via the outlet pipe 24 to the connection opening 36 in the valve housing 31 of the two interrupter valves 3.
  • the two valve closure members 32 are pressed by the water pressure against the valve seat 34 against the force of the spring 35, so that in each case the opening to the atmosphere in the valve seat 34 is closed, so that water cannot escape into the box 4.
  • the mixed water thus flows through the two outlet openings 38 into the connecting piece 37 to which the hose line 25 is connected to the hose shower 26, the mixed water exiting at the water outlet 261 of the shower base into the open or in this position into the sink 10 filled with water.
  • a backflow preventer can be expediently provided in the area of the hose shower 26. In many cases, such a backflow preventer is provided as standard in the shower heads.
  • the interrupter valve 3 is designed in two, the level of the outlet opening 38 of the upstream valve being located above the valve seat 33 of the downstream valve.
  • the twin training was only chosen with a view to a particularly high level of security against the sucking back of contaminated water.
  • the ventilation device is also functional with an interruption valve 3.
  • the ventilation device integrated in the box 4 is fixed under the sink near the nozzle 4 on the outlet pipe 24.
  • the aeration unit can also be installed in other suitable places, it being completely irrelevant at what height the aeration device for the water level in the sink 10 is located.
  • a sink 10 is provided, a nozzle 2 being attached to the table.
  • the nozzle 2 is supplied with cold and hot water from the supply line network via the connecting lines 21, 22.
  • an actuating handle 23 which can be set in two degrees of freedom, tempered mixed water can be produced in the dispensing valve 2.
  • the mixing ratio or the mixed water temperature can be set, for example, while in the second degree of freedom with the actuating handle 23 the total water flow rate is adjustable.
  • the mixed water generated in the dispensing valve 2 is fed via the outlet pipe 24, the hose line 25, the hose shower 26 to the water outlet 261 designed as a shower base.
  • a break valve 3 designed as a twin is arranged between the outlet pipe 24 and the hose line 25, a break valve 3 designed as a twin is arranged.
  • two valve closure members 32 are arranged one behind the other in a valve housing 31.
  • Each closure member 32 cooperates with a valve seat 33 at the water inlet opening and with a valve seat 34 to the atmosphere.
  • the valve closure member 32 designed as a ball is tightened against the valve seat 33 with a spring 35.
  • the valve seat 34 is in each case connected directly to the atmosphere via an opening 310.
  • a connection opening 36 is formed vertically on the valve housing 31 and a further connection opening 37 is provided horizontally downstream for the connection of the hose line 35. During the ventilation process, dripping water can escape from the valve housing 31 via the openings 310.
  • the valve housing 31 is arranged in a box 4, the valve housing 31 being fixed in the box 4 with the connecting pieces 36, 37.
  • an opening 42 is provided in the side wall of the box 4 for ventilation and a possible overflow of leakage water.
  • a connection 41 is formed in the bottom area of the box 4.
  • a float valve 5 is used as a structural unit in an approximately cylindrical stepped bore.
  • a sealing seat 53 is formed in a sleeve 54 in the upper region, on which a floatable ball is assigned as a closure member 51 below.
  • a holding basket 52 is also provided for guiding and holding the closure member 51.
  • the assembly of the float valve 5 combined in the sleeve 54 can thus be inserted from the outside in a sealed manner into the stepped bore of the connection 41 with the aid of a sealing ring 55 provided in the outer jacket of the sleeve 54.
  • the connection 41 as can be seen in particular from FIG. 3, is connected by the line 43 to the sewer 11 below the wash basin 10 to the sewer 11.
  • the line 43 is connected to the sewer 11 upstream in front of the odor trap 12, so that the drip water from the box 4 can be easily introduced.
  • the float valve 5 effectively prevents the backwater which arises when draining rinse water from the odor trap 12, so that waste water can escape via the line 43 into the box 4, since in this case the closure member 51 would float and the outlet in cooperation with the sealing seat 53 prevented.
  • the closure member can be designed as a floatable hollow or solid ball or in another suitable shape.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Domestic Plumbing Installations (AREA)
  • Bathtubs, Showers, And Their Attachments (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Joints Allowing Movement (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Check Valves (AREA)
  • Confectionery (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Nozzles (AREA)
EP19910100638 1990-02-05 1991-01-19 Robinet avec protection contre le reflux d'eau Expired - Lifetime EP0441151B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19904003353 DE4003353A1 (de) 1990-02-05 1990-02-05 Wasserzapfarmatur mit ruecksaugsicherung
DE4003353 1990-02-05
DE19904014968 DE4014968A1 (de) 1990-05-10 1990-05-10 Wasserzapfarmatur mit ruecksaugsicherung
DE4014968 1990-05-10

Publications (2)

Publication Number Publication Date
EP0441151A1 true EP0441151A1 (fr) 1991-08-14
EP0441151B1 EP0441151B1 (fr) 1993-01-07

Family

ID=25889759

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910100638 Expired - Lifetime EP0441151B1 (fr) 1990-02-05 1991-01-19 Robinet avec protection contre le reflux d'eau

Country Status (8)

Country Link
US (1) US5079781A (fr)
EP (1) EP0441151B1 (fr)
JP (1) JPH04213634A (fr)
AT (1) ATE84339T1 (fr)
AU (1) AU632201B2 (fr)
DE (1) DE59100025D1 (fr)
DK (1) DK0441151T3 (fr)
ES (2) ES2036906T3 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4105175A1 (de) * 1991-02-20 1992-08-27 Grohe Armaturen Friedrich Wasserzapfarmatur mit ruecksaugsicherung
US5329957A (en) * 1991-08-28 1994-07-19 Emhart Inc. Fluid flow system vacuum breaker
US5279324A (en) * 1992-11-20 1994-01-18 Kwc Ag Anti-siphoning valve assembly and plumbing fixture including same
DE19513569C1 (de) * 1995-04-18 1996-11-21 Ideal Standard Sanitäres Wasserventil
US5701926A (en) * 1995-06-07 1997-12-30 The Rubinet Faucet Company Backflow prevention device and vacuum breaker for kitchen plumbing
DE19527232A1 (de) * 1995-07-26 1997-01-30 Grohe Armaturen Friedrich Auslaufarmatur
US5662276A (en) * 1995-09-28 1997-09-02 Chung Cheng Faucet Co., Ltd. Check assembly of a sprinkling head for a kitchen cabinet
DE19627571A1 (de) * 1996-07-09 1998-01-15 Grohe Armaturen Friedrich Unterputz-Anschlußstück
US5845345A (en) * 1997-09-17 1998-12-08 Chung Cheng Faucet Co., Ltd. Wall-mounted tap having removeable shower head spout
SE524503C2 (sv) * 2002-06-20 2004-08-17 Durgo Ab Ventilanordning för att förhindra återströmning av en kontaminerad vätska
US6611971B1 (en) * 2002-08-26 2003-09-02 I.W. Industries, Inc. Hand spray mounts with integral backflow prevention
GB2433885B (en) * 2006-01-07 2011-02-16 Bristan Ltd A shower assembly

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2219259A (en) * 1938-04-14 1940-10-22 Junkers & Co Water supply installation
GB2011584A (en) * 1977-12-31 1979-07-11 Armaturenfabrik U Metallgiesse Backflow preventing valve
DE8905206U1 (de) * 1989-04-25 1989-06-22 Pomplun, geb. Sommerfeld, Ursula, 4709 Bergkamen Rohrtrenner
DE8908214U1 (de) * 1989-07-06 1989-08-31 Flege, Helga, 2104 Hamburg Spültischbatterie
DE3812549A1 (de) * 1988-04-15 1989-10-26 Wildfang Dieter Kg Rueckflussverhinderer

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE26235E (en) * 1967-07-18 Woodford vacuum breaker
US2324084A (en) * 1941-06-21 1943-07-13 Jason N Horner Backflow preventer
US2472933A (en) * 1945-10-22 1949-06-14 Dwight M Anderson Vacuum breaking and dump valve
US2608412A (en) * 1946-12-18 1952-08-26 Ralph E Bletcher Antisiphon spout and spray fixture
US3331946A (en) * 1964-10-08 1967-07-18 Thermon Mfg Co Electric pipe heater
USRE29332E (en) * 1973-06-15 1977-08-02 Thermon Manufacturing Company Pipe heat transfer assembly and method of making same
US3903916A (en) * 1974-07-01 1975-09-09 Alfred Waletzko Backflow preventer valve
US4123837A (en) * 1976-02-12 1978-11-07 Exxon Research & Engineering Co. Heat transfer method
US4203186A (en) * 1975-02-07 1980-05-20 Exxon Research & Engineering Co. Heat transfer
GB2039345B (en) * 1979-01-10 1983-04-13 Peglers Ltd Float valves
DE3603503A1 (de) * 1986-02-05 1987-08-06 Grohe Armaturen Friedrich Mischbatterie mit schlauchbrausenauslauf
DE3708169A1 (de) * 1987-03-13 1988-09-22 Licentia Gmbh Rueckflussverhinderer
DE3837032A1 (de) * 1988-10-31 1990-05-03 Hansa Metallwerke Ag Rohrunterbrecher fuer sanitaere anlagen, insbesondere zum einbau in eine sanitaerarmatur
DE3839650C1 (fr) * 1988-11-24 1990-02-15 Hansa Metallwerke Ag, 7000 Stuttgart, De

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2219259A (en) * 1938-04-14 1940-10-22 Junkers & Co Water supply installation
GB2011584A (en) * 1977-12-31 1979-07-11 Armaturenfabrik U Metallgiesse Backflow preventing valve
DE3812549A1 (de) * 1988-04-15 1989-10-26 Wildfang Dieter Kg Rueckflussverhinderer
DE8905206U1 (de) * 1989-04-25 1989-06-22 Pomplun, geb. Sommerfeld, Ursula, 4709 Bergkamen Rohrtrenner
DE8908214U1 (de) * 1989-07-06 1989-08-31 Flege, Helga, 2104 Hamburg Spültischbatterie

Also Published As

Publication number Publication date
ATE84339T1 (de) 1993-01-15
ES2036906T3 (es) 1993-06-01
US5079781A (en) 1992-01-14
JPH04213634A (ja) 1992-08-04
AU632201B2 (en) 1992-12-17
EP0441151B1 (fr) 1993-01-07
DE59100025D1 (de) 1993-02-18
ES1016978U (es) 1991-12-16
AU6986991A (en) 1991-08-08
ES1016978Y (es) 1992-06-16
DK0441151T3 (da) 1993-05-10

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