EP3385460B1 - Wasserbehandlungssystem und verfahren zur steuerung einer wassertemperatur eines solchen systems - Google Patents

Wasserbehandlungssystem und verfahren zur steuerung einer wassertemperatur eines solchen systems Download PDF

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Publication number
EP3385460B1
EP3385460B1 EP18159367.4A EP18159367A EP3385460B1 EP 3385460 B1 EP3385460 B1 EP 3385460B1 EP 18159367 A EP18159367 A EP 18159367A EP 3385460 B1 EP3385460 B1 EP 3385460B1
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EP
European Patent Office
Prior art keywords
water
valve
treatment
feed line
mixed
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EP18159367.4A
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English (en)
French (fr)
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EP3385460A1 (de
Inventor
Janne Rautavuori
Johanna Normiala
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Oras Oy
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Oras Oy
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    • 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
    • E03C1/0408—Water installations especially for showers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H33/00—Bathing devices for special therapeutic or hygienic purposes
    • A61H33/0095—Arrangements for varying the temperature of the liquid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H9/00—Pneumatic or hydraulic massage
    • A61H9/0021—Hydraulic massage
    • 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
    • E03C2201/30—Diverter valves in faucets or taps

Definitions

  • the invention relates to a water treatment system comprising a cold water feed line, and a hot water feed line coupled to a mixing valve, wherein the mixing valve comprises an output which is coupled to a treatment outlet via a mixed water feed line.
  • the invention also relates to a method for controlling a water temperature at a treatment outlet.
  • a treatment with different water temperatures may be useful to achieve certain effects on a user.
  • hot water dilates blood vessels, increasing blood flow to the skin and muscles. This improves circulation and the immune system. Waste products may be effectively removed, while nutrients and oxygen are carried around the body.
  • Cold water stimulates the blood vessels near the skin surface to constrict, sending blood away from the skin and towards the internal organs, improving their functioning and reducing inflammation.
  • An existing treatment method with different water temperatures is known as contrast bath therapy.
  • EP 0 581 192 B1 generally relates to a shower shifter for a sanitary fitting having a water inlet, two water outlets, whereof one leads to a shower, and a valve element which, as a function of the position, closes one of the two water outlets.
  • DE 195 01 716 discloses a sanitary shower device comprising a mixing valve being electronically operable and a shower head including a bypass line extending from the cold water line to the shower device.
  • a solenoid valve is arranged in the bypass line and can be opened and closed with a release button.
  • Another shower device similar to the shower device disclosed in DE 195 01 716 which comprises a mixing valve and two solenoid valves is disclosed in DE 25 38 444 .
  • a specific feature of this shower device is that the solenoid valves may be periodically operated by a timer, such that a cold water and a warm water stream can be led periodically to a treatment outlet.
  • DE 10 2007 010 792 teaches a shower assembly with a mixing assembly, several solenoid valves and a switching valve near the treatment outlet. With the switching valve, it is possible to quickly change the water temperature from a mixed water temperature to a cold water temperature without having to change the temperature of the mixed water stream.
  • the object of the present invention is to facilitate a user-friendly water treatment with an appliance that is suitable for use in a bath, shower or healthcare environment.
  • a water treatment system comprising a cold water feed line and a hot water feed line coupled to a mixing valve, wherein the mixing valve comprises an output which is coupled to a treatment outlet via a mixed water feed line, wherein an electronically operated mixed water valve is included in the mixed water feed line.
  • a cold water bypass line is coupling the cold water feed line to the treatment outlet via an electronically operated cold water valve included in the cold water bypass line.
  • a controller is coupled to the mixed water valve and the cold water valve. The controller is configured to operate the mixed water valve and/or the cold water valve to change the water temperature at the treatment outlet according to a water treatment procedure.
  • the mixed water feed line includes a diverter valve arranged upstream of the mixed water valve, wherein the diverter valve is configured to divert mixed water to the water treatment outlet via the mixed water valve or to another outlet.
  • the controller is coupled with at least one sensor that provides data representing a valve position of the diverter valve, and that the controller is configured to operate the mixed water valve and/or the cold water valve depending on the position of the diverter valve. Also, the controller is configured to initiate the water treatment procedure only if the valve position of the diverter valve allows providing mixed water to the treatment outlet.
  • One advantage of the invention is that a user is enabled to easily set a relaxing warm temperature with the mixing valve, while being able to activate an automated water treatment procedure using the electronically operated valves. These valves allow to supply from time to time cold water to a water treatment outlet, like e.g. a hand shower.
  • the mixing valve may be any of the commonly known types like a single-lever mixer or a thermostatic mixer. This facilitates hydrotherapy applications that involve changing predetermined water temperatures of a water treatment outlet.
  • the diverter valve allows that a user is enabled to easily switch the water flow between the treatment outlet and any alternative outlet like e.g. a head shower or bathtub outlet by using the diverter valve, while an unwanted impact of cold water through the alternative outlet can be prevented or at least be reduced.
  • the invention facilitates the use of water treatment outlets using varying water temperatures for water treatment such as hydrotherapy together with a diverter valve in home, healthcare and/or spa appliances.
  • the sensor With the sensor, it becomes possible to prevent or reduce an undesired cold water impact on the user through the water treatment outlet when the position of the diverter valve is changed, namely the treatment outlet or an alternative outlet is chosen.
  • the sensor data can also be used to activate e.g. cold water output only from the water treatment outlet while the alternative outlet at the same time provides normal mixed water output.
  • the sensor may acquire the valve position directly e.g. by a magnetic sensor or indirectly e.g. by a flow sensor in at least one of the lines downstream of the diverter valve.
  • the controller is configured to interrupt the water treatment procedure if the position of the diverter valve is changed. Thereby it is possible to prevent that a user of the water treatment outlet receives a cold water shock when the position of diverter valve is accidently changed during a water treatment procedure.
  • the cold water valve and the mixed water valve are bi-stable valves. Such use of bi-stable valves may be advantageous for rapidly and effectively changing the water temperature at the treatment outlet.
  • the controller is configured to operate the cold water valve and the mixed water valve in alternate positions when a water treatment procedure is being performed.
  • the user-perception of the water treatment procedure may thus be enhanced.
  • the cold water valve and the mixed water valve may be realized as one common 3/2-valve such that only one actuator is needed.
  • the controller is configured to close the cold water valve if no water treatment procedure is being performed. This facilitates the use of the water treatment outlet as a water outlet without a particular water treatment procedure.
  • the versatility of use may be improved.
  • the cold water valve is closed by default such that no electrical power is need to keep the cold water valve closed.
  • the object of the present invention is also achieved by a method for controlling a water temperature at a treatment outlet of the aforementioned water treatment system or one of its embodiments, wherein water is provided to the treatment outlet through a first water feed line with a first water temperature and through a second water feed line with a second water temperature, wherein at least one valve in the first water feed line and at least one valve in the second water feed line are operated to change the water temperature at the treatment outlet according to a water treatment procedure, wherein the position of at least one diverter valve having an output to the first water feed line is monitored, and wherein the water treatment procedure is only initiated if the diverter valve is set to a position in which water provided by the diverter valve is directed to the first water feed line.
  • Advantages of the method can be at least partially derived by analogy from the advantages of the system.
  • the water treatment procedure is interrupted if the diverter valve is set to a position in which water provided by the diverter valve is not directed to the first water feed line. Thereby an undesired impact perceived by the user receiving the water treatment may be prevented or mitigated.
  • valve in the second water feed line is closed if no water treatment procedure is being performed. This enhances the use possibilities of the treatment outlet.
  • the position of the valve in the first water feed line and the position of the valve in the second water feed line are switched alternatingly when a water treatment procedure is being performed.
  • different water temperatures suitable for a hydrotherapy treatment can be made available at the treatment outlet in a favorable manner.
  • the first water feed line is a mixed water feed line and the second water feed line is a cold water feed line.
  • a processor may be configured to execute computer-program instructions according to the aforementioned method or one of its embodiments.
  • Figure 1 illustrates an example of a water treatment system 100 comprising a hot water feed line 104, a cold water feed line 106 and a mixing valve 108.
  • the output of the hot water feed line 104 is coupled to the mixing valve 108.
  • the cold water feed line 106 is split and has two outputs. A first output of the cold water feed line 106 is coupled to the mixing valve 108. A second output of the cold water feed line 106 is coupled to a treatment outlet 114 via a cold water bypass line 115.
  • the illustrated mixing valve 108 is a three-way valve for receiving water from both the hot water feed line 104 and from the cold water feed line 106.
  • the mixing valve 108 has an output to a mixed water line segment 124.
  • the mixing valve 108 allows blending the received hot water and cold water to provide mixed water at its output.
  • Mixed water with a mixed temperature is provided from the output of the mixing valve 108 to the mixed water line segment 124.
  • Mixed water is water for which the temperature could be adjusted by varying the portions of water from the hot water feed line 104 and the cold water feed line 106.
  • a mixing valve 108 may be a manual mixing valve, a pressure compensating mixing valve or a thermostatic mixing valve.
  • the mixing valve 108 may be manually and/or automatically operated.
  • the mixed water line segment 124 has an output to a diverter valve 110.
  • the diverter valve 110 may be a mechanical valve that is manually operated.
  • the illustrated diverter valve 110 is a three-way valve with two outputs and one input for receiving water from mixed water line segment 124.
  • the diverter valve 110 allows controlling the direction of the water received at its input to its outputs.
  • a first output of the diverter valve 110 provides water to a first outlet 112.
  • a second output of the diverter valve 110 provides water to a mixed water feed line 126.
  • the output of the mixed water feed line 126 is coupled to a treatment outlet 114.
  • the first outlet 112 may include without being limited to a spout, a bath filler or a shower head.
  • the treatment outlet 114 may be a treatment device, for example but not limited to a hand shower, a mounted shower, an arrangement of one or several nozzles, e.g. the nozzles of a tub or the nozzles of a shower arrangement.
  • the water treatment system 100 further comprises a controller 102, preferably a microcontroller.
  • commands may be sent to the controller 102 via a user-interface.
  • the link between the controller 102 and the user-interface may be wireless or wired.
  • One or more elements of a user-interface associated with the controller 102 may include (without being limited to) one or more of a touch pad, a push-button, a control dial, a keyboard, a touch screen, a LED display.
  • the treatment outlet 114 may receive input from both the cold water feed line 106 and from the mixed water feed line 126.
  • the cold water feed line 106 is split to allow providing cold water to the mixing valve 108 and to the treatment outlet 114.
  • a cold water valve 116 is inserted in the section of the cold water feed line 106 that provides water to the treatment outlet 114.
  • a mixed water valve 118 is inserted in the mixed water feed line 126 that provides water to the treatment outlet 114.
  • the cold water valve 116 and the mixed water valve 118 are electro-mechanically operated valves, for example solenoid valves. In a preferred embodiment the cold water valve 116 and the mixed water valve 118 may be bi-stable valves.
  • the cold water valve 116 may be operated by means of an electro-mechanical actuator 120 that is connected to the controller 102.
  • the mixed water valve 118 may be operated by means of an electro-mechanical actuator 122 that is connected to the controller 102.
  • the controller 102 is coupled with the diverter valve 110 to receive data indicating the position of the diverter valve 110.
  • the controller 102 may be connected to a sensor which is capable to determine the position of the diverter valve 110.
  • the controller 102 may be configured to monitor the position of the diverter valve 110 using such sensor.
  • a sensor which is capable to determine the position of the diverter valve 110 maybe mechanically integrated within the diverter valve 110.
  • the diverter valve 110 may be a user driven mechanical valve.
  • a manually operable diverter valve 110 may be perceived by many users as intuitive and easy to handle.
  • the treatment outlet 114 may be hand shower.
  • a hand shower may be handled in a versatile and user-friendly manner both when used with a water treatment procedure, i.e. for hydrotherapy with changing water temperatures, and when used for showering without a water treatment procedure.
  • the water temperature at the treatment outlet 114 is predetermined by the mixing valve 108.
  • the controller 102 comprises a processor, preferably a microprocessor.
  • the processor is configured to execute computer-program instructions.
  • Such computer-program instructions include instructions relating to a method for controlling the water temperature at the treatment outlet 114.
  • the computer-program instructions may include instructions relating to one or several water treatment procedures.
  • Figures 2 to 6 illustrate non-limiting examples of sequences for controlling the water temperature at the treatment outlet 114.
  • a sequence may be programmed in the format of computer-program instructions. In one embodiment such sequence may be executed by the processor of the controller 102.
  • the programming of the processor may include hardwired computer-program instructions and/or computer-program instructions in a software format.
  • Figure 2 refers to an illustrative basic sequence 200 for controlling the water temperature.
  • the water treatment system is initialized 204.
  • During the basic sequence 200 it is repeatedly verified if there is a treatment command for a water treatment procedure 300 as illustrated by the decision point 206 in the given flowchart.
  • Such treatment command may for example be induced by means of a user-interface of the controller 102.
  • If a treatment command is verified a water treatment procedure 300 is started. After termination of the water treatment procedure 300 the sequence returns to the decision point 206. If no treatment command is verified it is verified if the cold water valve 116 is closed as illustrated by the decision point 208. If the cold water valve 116 is closed the sequence returns to the decision point 206.
  • the valve operation 210 includes closing the cold water valve 116.
  • the mixed water valve 118 may be opened to permit the use of the treatment outlet 114 without a water treatment procedure 300 being performed. The sequence then returns to the decision point 206.
  • a treatment command that starts a water treatment procedure 300 may for example be induced by user by wireless means and/or using a keypad and/or push-button.
  • the treatment outlet 114 is a shower head that can be used as a normal shower when no there is no active treatment command.
  • a solenoid valve in the cold water feed line 106 for the treatment outlet 114 is closed and a solenoid valve in the mixed water feed line 126 for the treatment outlet 114 is opened.
  • the solenoid valves are bi-stable valves.
  • Figure 3 refers to an illustrative basic sequence 310 for a water treatment procedure 300.
  • the treatment command is still valid as illustrated by the decision point 304. If the treatment command is not valid the water treatment procedure 300 will skip to its end 308. If the treatment command is valid it is verified, preferably as illustrated by the decision point 306, if the diverter valve 110 is set to a position in which its output is directed to the mixed water feed line 126. If the diverter valve 110 is set to this position a procedure sequence 400 is started. If the diverter valve 110 is set to another position the basic sequence 310 will skip to its end 308. After termination of the procedure sequence 400 the basic sequence 310 will skip to its end 308.
  • a water treatment procedure 300 When a water treatment procedure 300 is started it needs to be ensured that the diverter is positioned in the direction of the treatment outlet 114. In one embodiment this involves the use of a sensor that is connected to one or several mechanical parts of the diverter valve 110.
  • Figure 4 refers to an illustrative main procedure sequence 400 of a water treatment session.
  • a configuration 404 is performed after the start 402 of the procedure sequence 400.
  • the configuration 404 may include setting and/or pre-configuring a treatment sequence 600. This may include a pre-configuration of pulses for the treatment sequence 600.
  • a safety sequence 500 is performed. If the result of the safety sequence 500 is that the procedure sequence 400 needs to be interrupted the procedure sequence 400 will skip to its end 406. If the result of the safety sequence 500 is that there is no need to interrupt the procedure sequence 400 the treatment sequence 600 is performed. After termination of the treatment sequence 600 the main procedure sequence 400 may return to the configuration 404.
  • Figure 5 refers to an illustrative safety sequence 500 for a water treatment procedure.
  • the start 502 of the safety sequence 500 it is verified if there is a treatment command as illustrated by the decision point 504 and it is verified if the diverter valve 110 is set to a position in which its output is directed to the mixed water feed line 126 as illustrated by the decision point 506. If both are positively verified as indicated by the respective flowchart symbol 508 no interruption is needed and the treatment sequence 600 is performed. Otherwise as indicated by the respective flowchart symbol 510 the procedure sequence 400 will skip to its end 406 as a result 512 of the safety sequence 500.
  • Figure 6 refers to an illustrative treatment sequence 600, which is a sub sequence of the main procedure sequence 400 of a water treatment session.
  • the start 602 of the treatment sequence 600 it may be validated 604 if the system is ready to perform one or more treatment sub-sequences 606, 608, 610. If the system is not ready the treatment sequence 600 may skip to its end 612. If the system is ready at least one treatment sub-sequences 606, 608, 610 may be performed.
  • a first treatment sub-sequence 606 may include a build-up sequence.
  • a second treatment sub-sequence 608 may include a stress sequence.
  • a third treatment sub-sequence 610 may include a swing-off sequence after which the treatment sequence 600 may skip to its end 614.
  • the diverter valve 110 is set to the appropriate position for water treatment before a treatment session is initiated.
  • the actual water treatment may start for example by setting the mixed water valve 118 to its closed position and by setting the cold water valve 116 to its opened position. After a predefined pulse time the mixed water valve 118 and the cold water valve 116 are then set to their respective alternate positions. The mixed water valve 118 and the cold water valve 116 may then continue to be alternately switched until the treatment session ends.
  • a treatment command may be invalidated by a user-interface action and/or by expiry of a timer, which may be running in the controller 102.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Bathtubs, Showers, And Their Attachments (AREA)

Claims (6)

  1. Ein Wasserbehandlungssystem, mit
    einer Kaltwasserzufuhrleitung (106) und einer Warmwasserzufuhrleitung (104), die mit einem Mischventil (108) verbunden sind, wobei das Mischventil (108) einen Ausgang umfasst, der über eine Mischwasserzufuhrleitung (124, 126) mit einem Behandlungsauslass (114) verbunden ist,
    wobei
    ein elektronisch betätigtes Mischwasserventil (118) in der Mischwasserzufuhrleitung (124, 126) enthalten ist;
    zusätzlich zu der Mischwasserzufuhrleitung (126) eine Kaltwasser-Bypass-Leitung (115) die Kaltwasserzufuhrleitung (106) mit dem Behandlungsauslass (114) über ein elektronisch betätigtes Kaltwasserventil (116), das in der Kaltwasser-Bypass-Leitung (115) enthalten ist, verbindet; und wobei
    eine Steuerung (102)
    mit dem Mischwasserventil (118) und dem Kaltwasserventil (116) verbunden ist und
    dazu eingerichtet ist, um das Mischwasserventil (118) und/oder das Kaltwasserventil (116) zu betätigen, um die Wassertemperatur an dem Behandlungsauslass (114) entsprechend eines Wasserbehandlungsverfahrens zu ändern,
    dadurch gekennzeichnet, dass
    die Mischwasserzufuhrleitung (124, 126) ein Umlenkventil (110) enthält, das stromauf des Mischwasserventils (118) angeordnet ist, wobei das Umlenkventil (110) dazu eingerichtet ist, Mischwasser zu dem Behandlungsauslass (114) über das Mischwasserventil (118) oder zu einem anderen Auslass (112) zu lenken; die Steuerung (102) mit mindestens einem Sensor verbunden ist, welcher Daten bereitstellt, die eine Ventilstellung des Umlenkventils (110) wiedergeben, und dass die Steuerung (102) dazu eingerichtet ist, das Mischwasserventil (118) und/oder das Kaltwasserventil (116) in Abhängigkeit von der Stellung des Umlenkventils (110) zu betätigen; und dass
    die Steuerung (102) dazu eingerichtet ist, das Wasserbehandlungsverfahren nur dann einzuleiten, wenn die Stellung des Umlenkventils (110) es erlaubt, dem Behandlungsauslass (114) Mischwasser zuzuführen.
  2. Das Wasserbehandlungssystem nach Anspruch 1, dadurch gekennzeichnet, dass die Steuerung (102) dazu eingerichtet ist, das Wasserbehandlungsverfahren zu unterbrechen, falls die Stellung des Umlenkventils (110) geändert wird.
  3. Das Wasserbehandlungssystem nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Kaltwasserventil (116) und das Mischwasserventil (118) bistabile Ventile sind.
  4. Das Wasserbehandlungssystem nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Steuerung (102) dazu eingerichtet ist, das Kaltwasserventil (116) und das Mischwasserventil (118) in wechselseitigen Stellungen zu betätigen, wenn ein Wasserbehandlungsverfahren durchgeführt wird.
  5. Das Wasserbehandlungssystem nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Steuerung (102) dazu eingerichtet ist, das Kaltwasserventil (116) zu schließen, falls kein Wasserbehandlungsverfahren durchgeführt wird.
  6. Ein Verfahren zur Steuerung einer Wassertemperatur an einem Behandlungsauslass (114) eines Wasserbehandlungssystems nach einem der Ansprüche 1 bis 5,
    dadurch gekennzeichnet, dass
    dem Behandlungsauslass (114) Wasser durch eine erste Wasserzufuhrleitung mit einer ersten Wassertemperatur und durch eine zweite Wasserzufuhrleitung mit einer zweiten Wassertemperatur bereitgestellt wird, dass zumindest ein Ventil in der ersten Wasserzufuhrleitung und zumindest ein Ventil in der zweiten Wasserzufuhrleitung betätigt werden, um die Wassertemperatur an dem Behandlungsauslass (114) entsprechend eines Wasserbehandlungsverfahrens zu ändern, dass
    die Stellung mindestens eines Umlenkventils (110), das einen Ausgang zu der ersten Wasserzufuhrleitung hat, überwacht wird, und dass
    das Wasserbehandlungsverfahren nur eingeleitet wird, wenn das Umlenkventil (110) in einer Stellung ist, bei welcher Wasser, das durch das Umlenkventil (110) bereitgestellt wird, zu der ersten Wasserzufuhrleitung gelenkt wird.
EP18159367.4A 2017-03-09 2018-03-01 Wasserbehandlungssystem und verfahren zur steuerung einer wassertemperatur eines solchen systems Active EP3385460B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017105050.7A DE102017105050A1 (de) 2017-03-09 2017-03-09 Wasserbehandlungssystem, Verfahren zur Steuerung einer Wassertemperatur und ein Prozessor

Publications (2)

Publication Number Publication Date
EP3385460A1 EP3385460A1 (de) 2018-10-10
EP3385460B1 true EP3385460B1 (de) 2019-12-04

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EP18159367.4A Active EP3385460B1 (de) 2017-03-09 2018-03-01 Wasserbehandlungssystem und verfahren zur steuerung einer wassertemperatur eines solchen systems

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DE (1) DE102017105050A1 (de)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2538444B2 (de) 1975-08-29 1977-01-13 Hans Grohe KG, 7622 Schiitach Duscheinrichtung mit mischventil
DE4224684A1 (de) 1992-07-25 1994-01-27 Grohe Kg Hans Brauseumsteller für eine Sanitärarmatur
DE19501716A1 (de) 1995-01-20 1996-07-25 Grohe Kg Hans Sanitäre Brauseeinrichtung
DE19702358B4 (de) 1997-01-23 2009-02-05 Hansgrohe Ag Duscheinrichtung
DE102007010792B4 (de) * 2007-03-02 2010-12-16 Hansa Metallwerke Ag Duschanordnung
DE202008009695U1 (de) 2008-07-19 2008-10-23 Westarp, Bernt Duscheinrichtung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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